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AgriSpec® User Manual - Mapping Solutions Ltd.

1. KK KK RR RR KK KK 59 Temperature Gilet cos cess sk ss ss kk ka kk o a td Rb eo b 59 Technical Support ak A A wage kae hac AA RAI Re RR eS 60 WEE E C mpilal l tad k HR N 60 AX ok sas aa a a a a aaa I ES ER ee 61 ASD Document 600542 Rev E V AgriSpec User Manual MSD www asdi com ASD Document 600542 Rev E vi AgriSpec User Manual MSD www asdi com Declaration of Conformity According to IEC guide 22 and EN45014 Manufacturers Name ASD Incorporated Manufacturers Address 2555 55th Street Suite 100 Boulder Colorado 80301 Declares that the product Product Name AgriSpecTM Product Numbers Description Range nm A 100900 Full Range VNIR SWIR1 amp SWIR2 350 2500 A 100910 SWIR2 only 1800 2500 A 100920 SWIR1 and SWIR2 1000 2500 A 100930 SWIRI only 1000 1800 A 100940 VNIR only 350 1050 A 100950 VNIR and SWIRI 350 1800 Conforms to the following EU Directives Safety Low Voltage Directive 72 23 EEC as amended by 93 68 EEC EMC Electromagnetic Compatibility Directive 89 336 EEC as amended by 93 68 EEC Supplementary Information The product complies with the requirements of the following Harmonized Product Standards and carries the CE Marking accordingly EN 61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory use EN 61326 2002 Class A Electrical Equipment for Measurement control and Laboratory use EMC requirement
2. e Spectroscopy can perform feasibility studies to understand if and how a process or material of interest can be detected using remote sensing Field spectra can be used to make direct material identifications in the field rather than collecting samples for later laboratory analysis The first step in the development of a field experiment is the definition of the overall experimental design Unfortunately the formulation of an appropriate experimental design is not always obvious Issues such as the timing of the data collection spatial scale of the field measurement target viewing and illumination geometry and the collection of ancillary data sets must be considered in light of the objectives of the study The lack of appropriate ancillary data sets often makes previously collected data sets unusable for a new application Frequently the experimental design must be modified to account for the characteristics of the available instrumentation 2008 ASD Inc 35 AgriSpec User Manual AASD www asdi com Chapter 6 Field Measurements 6 1 Illumination In order to determine the reflectance or transmittance of a material two measurements are required e The spectral response of a reference sample e The spectral response of the target material The reflectance or transmittance spectrum is then computed by dividing the spectral response of the target material by that of a reference sample Using this method all pa
3. Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 WARNING Sand the Spectralon material under running water with a 220 240 grit waterproof emery cloth or sandpaper until the surface is totally hydrophobic water beads and runs off immediately Use a flat surface such as a thick flat piece of glass Place the glass into the sink Place 220 grade wet sandpaper onto the glass Gently move the Spectralon reference in a figure 8 motion on the sandpaper using water as needed to wash away the thin layer that is sanded off Blow dry with clean air or nitrogen or allow the material to air dry If the material requires high resistance to deep UV radiation the piece should be prepared as above then either of the following two treatments performed 1 Flush the Spectralon piece with gt 18 milli ohm distilled deionized water for 24 hours 2 Vacuum bake the Spectralon piece at 75 C for a 12 hour period at a vacuum of 1 Torr or less Then purge the vacuum oven with clean dry air or nitrogen Do not use oils or soaps to clean the Spectralon white reference ASD Document 600542 Rev E 41 AgriSpec User Manual AASD www asdi com Chapter 6 Field Measurements 6 5 3 White Reference Procedures Baseline references or white references should be collected approximately every 15 minutes while the instrument is warming up thereafter every hour or so is sufficient The Spectralon puck should be used when optimizing and taking a
4. ASD Document 600542 Rev E 2008 by ASD Inc www asdi com MSD www asdi com Trademark Information ASD Inc 2555 55th Street Suite 100 Boulder CO 80301 USA Phone 303 444 6522 www asdi com FieldSpec LabSpec QualitySpec RxSpec ViewSpec Indico AgriSpec RS3 and TerraSpec are registered and unregistered trademarks and the intellectual property of ASD Inc ASD Boulder Colorado USA All trademarks used or displayed in this document are trademarks of ASD its affiliates or third party owners Unauthorized use of these trademarks is illegal and punishable by law Nothing contained in this document is to be construed as granting by implication estoppel or otherwise any license or right of use of any such trademark without the prior and express written permission of ASD or such third party owner This document contains proprietary information protected by copyright law and may not be reproduced in any manner without the express written approval of ASD Inc The information and specifications contained in this manual are subject to change without notice ASD Inc shall not be held liable for technical editorial omissions or errors made herein nor for incidental or consequential damages resulting from furnishing performance or use of this material Technical Support If you have any questions or concerns please contact ASD Inc by phone fax or email Phone 303 444 652
5. 51 What spectrum average or sample count should I use 51 What if want to keep the same settings all day 52 What are the units of radiance 0 000 eee 52 Can post process my data 00 kk KK KK eee 52 Why do see oscillations sine wave in my data 52 What are these upward or downward spikes in VNIR data 52 What are these steps in my data 00 eee 53 ASD Document 600542 Rev E iv AgriSpec User Manual AASD x www asdi com What can cause more noise in my data from last time 53 Why does the VNIR drop to zero after a Dark Current collection 54 How do collect a reference with a spot size larger than the Spectralon I UE EE UE 54 How dolsst up GPS ossis a Rar x e k RC e eA 54 What does a broken fiber mean 0000s 55 How long is the battery life 56 What type of Ethernet cable can use for the static IP configuration 56 Can install additional software on the instrument controller 57 Why does the software seem to do unexpected things 57 How long does it take for the AgriSpec spectrometer to warm up 57 Where is my serial number 0 0 sellers 57 Data A OCS gt i neh EEEXQO ERIGI EDO e ERUER RR Pee Rd 58 Gain ahd Offset ocius ea eee I nd la aa kr CR 58 LANE JOSE ES 43a dti oce An hd n eee hn 59 Spectrum Averaging or Sample Count
6. this may indicate a problem with the VNIR shutter or Dark Current collection routine To verify optimize the instrument and listen for the click of the shutter activating If you do not hear the shutter click contact technical support and obtain an RMA for sending the instrument in for repairs B 1 15 How do collect a reference with a spot size larger than the Spectralon panel Purchase a bigger reference panel or move the sampling accessory closer to it If you are indoors using artificial light make sure that the distance and angle from the reference is the same as will be used for the sample B 1 16 How do I set up GPS The GPS feature is enabled in the RS application software To configure the GPS Step 1 Select either e GPS gt Settings pull down menu item Alt G S key combination RS requires the output of the GPS device to be in the National Marine Electronics Association NMEA format Check your GPS device documentation for output and port settings Normally the Baud rate 4800 Data bits 8 Parity none and Stop bits 1 settings will remain the same as what is displayed in the window The Write to log file is checked by default When this field is checked and the GPS fixed data is enabled an entry will be made to a daily log file i e 050302gps log when a spectrum 1s saved ASD Document 600542 Rev E 54 AgriSpec User Manual AASD www asdi com Appendix B Reference Information Step2 In t
7. controller using a cross over Ethernet cable or optional Wireless Ethernet WiFi interface The amount of data that is sent depends on the configuration of the spectrometer e Asingle sample of VNIR is 1024 bytes e Asingle sample of SWIRI is 2400 bytes e Asingle sample of SWIR2 is 2400 bytes ASD Document 600542 Rev E 7 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction A full range AgriSpec spectrometer can create packet data sizes over 5 KB Other single or dual range configurations of the spectrometer create smaller data packets adding the packet sizes as above When features for spectrum averaging or sample count are turned on within the application software on the instrument controller the averaging is performed at the spectrometer Dark Current Measurement Dark Current DC refers to current generated within a detector in the absence of any external photons DC is the amount of electrical current that is inherent in the spectrometer s detectors and other electrical components and is additive to the signal generated by the measured external optical radiation Note Noise is the uncertainty in a given measurement one channel at a time Noise by definition is random Noise can be reduced by using more samples and averaging the signal Dark Current is different from noise because it is relatively stable and can be characterized This manual uses DC to refer to all systematic contributions to the d
8. in signal if the signal started out low to begin with or a slight increase in dark current increases with ambient temperature B 4 Optimization Note The AgriSpec spectrometer must be re optimized for Every 30 minutes when used with artificial light sources e Changes in temperature Optimization depends on the response to light in a particular spectral region A well optimized instrument will display between 20 000 and 35 000 raw digital numbers if the source is within the gain and integration time abilities of the system The magnitude of the VNIR raw DN will be directly dependent on the light intensity The Spectralon blank should be used when optimizing and for taking a white reference measurement It is important that the position of the reference sample when taking a white reference is as similar as possible to the position for capturing data from the samples B 5 Spectrum Averaging or Sample Count If signal levels are low the only way to increase S N is by reducing noise through spectrum averaging However spectrum averaging takes more time per spectrum B 6 Temperature Effects The AgriSpec spectrometer instruments have thermo electrically cooled SWIR detectors to 25 C significantly reducing noise in those areas When the system fails due to extreme temperature it will fail gradually but the data won t make perfect sense Shut down and let the instrument cool before operating again You may also see t
9. is connected to the spectrometer its alignment with the fibers of the internal cable will most likely be different A few broken fibers is not critical when measuring reflectance because this is a ratio Any noise introduced by the broken fibers in measuring the sample were also present when measuring the white reference and therefore cancels out The fibers are protected by a metal spiral inside the black cable casing If there are kinks in your cable the fibers are not necessarily damaged However if your cable has been crunched so severely that you are able to see ASD Document 600542 Rev E 55 AgriSpec amp User Manual AASD www asdi com Appendix B Reference Information the protective metal spiral the chances are high that the fibers have been damaged too Refer to the Fiber Optic Check utility to determine if any fibers are broken The fibers can be damaged by coiling the cable up too tightly If left in a tight coil for longer than a week the fibers are likely to develop longitudinal fractures that will not be detectable These fractures in the fiber will cause light leakage resulting in a weaker signal The fiber optic cables should be stored by placing them loosely within the netting compartment on the instrument WARNING The fiber cable should never be stored with a bend of less than a 5 diameter for long periods of time B 1 18 How long is the battery life The charge of the NiMH Nickel Metal Hydride batt
10. near the fiber optic cable as shown in Figure 2 11 Figure 2 10 External trigger ASD Document 600542 Rev E 17 AgriSpec User Manual AAS www asdi com Chapter 2 Setup Figure 2 11 External trigger cable plugged into the AgriSpec spectrometer The trigger comes with several pieces of mated velcro which are intended for use with several accessories Place a piece of hook velcro onto the trigger place pieces of mesh velcro onto the accessories Note Accessories should have pieces of mesh velcro placed on both sides so that the trigger can be used right or left handed ASD Document 600542 Rev E 18 AgriSpec User Manual Chapter 3 Usage and Maintenance For personal safety and to prevent damage to the instrument please review the following safety precautions All operators should be familiar with this information 3 1 Light Sources Use only light sources supplied by ASD Inc Light sources supplied by ASD are designed to provide levels of illumination and stability of output that complement the performance of ASD s instrumentation Never touch the light source bulb and avoid contact with hot metal components near the bulb Heat transfer from the light source may make these metal components uncomfortably warm to the touch e Prevent dirt and oils from contacting the bulb and reflector e Do not touch the glass envelope of the bulb Oils on the hand may transfer to the glass envelope which can signific
11. 2 X 144 Fax 303 444 6825 email support asdi com Web www asdi com ftp ftp asdi com Technical support 1s committed to providing you with a timely response to your questions We will work with you to provide solutions to your applications Technical support is available to answer your questions Monday thru Friday 8 am to 5 pm Mountain Standard Time We will happily respond to your e mail queries as well ASD Document 600542 Rev E ii AgriSpec User Manual Table of Contents Trademark Information 2 2022 ii Technical SUPPort 22 s s ka REI RR all ak kak kala a lk alal kaya a RR EE ii Declaration of Conformity 000 vii Chapter 1 ji 1j MEMEENMMEMM NIMMT 1 Hardware Specificatl ng isses RR PERG ee KK KK REX ERR 3 Physical SoBellosUOhE usos kk esr hb Ree RP ERU P Ga Ree 3 Power Input and OUIBUE 2 oka twee REEL EEESRRRERREIRIGYaY t 3 AgriSpec Wavelength Configuration 020200 RR RR KK gt 4 Interface Requirement kk kk KK KK KK KK RR RR RR RR RR RR RR KI 5 Standard AGGSSSQUIBE a ss e EE kl bee pos dos awd Rae pido RR RR 5 Computer Requirements kk kk kk kk kk kK KK kK KK KK KK KIR eee eens 6 Software Requirement kk kk kk kk kK KK KK KK KK KK KI KK KK KI KIRR KK KK 6 Theory of Op ralti n x sere E ka sk ls ak ka kla hk kk kk CC Wla kk 7 Chapter 2 f D emm 11 Unpacking the Instrument iseesews RA pex EEG REX send DER RR ROO 12 Power SUDO ecc cessisse ir
12. Document 600542 Rev E X AgriSpec User Manual Chapter 1 Introduction The AgriSpec spectrometer is a general purpose instrument that measures the visible near infrared VNIR and short wave infrared SWIR spectra for agriculture remote sensing and analysis The AgriSpec spectrometer is useful in many application areas but in particular agriculture and the field analysis of vegetation and soils The resolution is ideally suited for performing reflectance and transmittance spectral measurements of a wide range of samples The ASD Accessories Guide contains an array of sampling accessories for the AgriSpec spectrometer such as the plant probe and leaf clip that extend the application areas The AgriSpec spectrometer is compact and field portable It has a spectral range of 350 2500 nm and rapid data collection 10 spectra per second While the most highly regarded features are performance and field portability these instruments perform competitively in the laboratory as well Features and Advantages Accurate and Precise High signal to noise ratio and superior repeatability of results for better discrimination and analysis of materials Rugged and Transportable Resistant to vibration and changes in temperature or humidity Fast 10 spectra per second data collection for the entire 350 2500 nm range 0 1 second scanning time provides an accurate average every second Users can quickly scan several areas when analyzing bul
13. Spec spectrometer measures only reflectance and transmission measurements B 1 9 Can I post process my data Yes ViewSpec is one of many applications that can post process your data Various software packages are available for chemometric model The spectral data can be imported into many different applications The complete specification of the ASD file format is available upon request B 1 10 Why do I see oscillations sine wave in my data Your light source may use AC power A single SWIR band is about 100 ms If you observe five 5 or six 6 waves in a single SWIR the AC light source is the cause Waves can also occur if the lamp reflector and or cover glass behave as a white light interferometer Solution remove the glass and or use a more diffuse reflector B 1 11 What are these upward or downward spikes in VNIR data These result from artificial light sources in particular fluorescent lights ASD Document 600542 Rev E 52 AgriSpec User Manual AAS www asdi com Appendix B Reference Information ViewSpec Pro Graph EIE Flourescent Light a o c iD m tr 1250 1500 1750 2000 2250 Wavelength Figure B 1 Spectrum of fluorescent lights B 1 12 What are these steps in my data Light is brought into the instrument by various combinations of the strands in the fiber optic cable Each strand has its own field of view FOV When the cable is held close to the sample each strand views
14. WIR1 SWIR2 350 2500 nm VNIR only 350 1050 nm VNIR SWIRI 350 1800 nm SWIRI only 1000 1800 nm SWIR1 SWIR2 1000 2500 nm SWIR2 only 1800 2500 nm The spectral resolution is 3 nm Full Width Half Maximum at 700 nm e 10 nm Full Width Half Maximum at 1400 nm 10 nm Full Width Half Maximum at 2100 nm The sampling interval is e 1 4 nm for the spectral region 350 1000 nm e 2nm for the spectral region 1000 2500 nm The AgriSpec spectrometer may be configured to have three separate holographic diffraction gratings with three separate detectors Each detector is also covered with the appropriate order separation filters to eliminate second and higher order light e VNIR 512 element silicon photo diode array for the spectral region 350 1000 nm ASD Document 600542 Rev E 3 AgriSpec amp User Manual AASD www asdi com Chapter 1 Introduction e SWIRI graded index TE cooled extended range InGaAs photo diode for the spectral region 1000 nm to 1800 nm e SWIR2 graded index TE cooled extended range InGaAs photo diode for the spectral region 1800 nm to 2500 nm 1 1 4 Interface Requirement The AgriSpec spectrometer has 10 100 Base T Ethernet port The spectrometer with an Ethernet cross over cable can be directly connected to the Ethernet port provided on many laptop computers The AgriSpec spectrometer can communicate with the instrument controller using an optional 802 11b wireless card If the instrume
15. antly affect the bulb temperature and corrupt important operating physics of the bulb Note Please refer to the ASD Accessories Manual or the instructions for that specific accessory for detailed information 3 2 Access and Ventilation When used inside provide adequate room ventilation for the spectrometer Insufficient ventilation can result in overheating of the spectrometer and subsequently corrupted data and possibly physical damage to the spectrometer A Do not cover the vents of the instrument Do not place objects on the unit or its power supplies Prevent objects from obstructing ventilation slits Keep objects and spills from entering or falling onto the instrument power supplies and software disks 2008 ASD Inc 19 AgriSpec User Manual AASD ing WWW asdi com Chapter 3 Usage and Maintenance 3 3 Cleaning Step 1 Turn off the unit Step 2 Disconnect from all power Step3 Allow the unit to cool down Step 4 Clean unit with a slightly damp cloth and mild soap Note Be sure all soap residue is removed and all surfaces are dry before use 3 4 Annual Maintenance ASD recommends that the instrument be serviced once a year This will ensure the proper function of the instrument Annual maintenance is covered under ASD warranty or the extended service contract Annual maintenance can be purchased separately If you are interested in purchasing annual maintenance or an extended service contract please conta
16. arge before use Always store the battery in a cool dry location Do not use batteries other than those supplied by ASD Do not use ASD batteries in a manner unauthorized by ASD Using improper batteries or improper use of ASD batteries could result in bodily injury or damage to the instrument 5 2 Battery Charger Note The battery charger specifications Type External Desktop AC Input 90 240 VAC 50 60 Hz DC Input 12 V 1 5 A Charge Time under 8 hours for a fully discharged 9 AH battery Review the charger instruction manual for details LED Status indicator The LED will be ORANGE during charge e The LED will turn GREEN when charge is completed The battery charger is designed for indoor use and should not come in contact with water or dust Do not unplug the charger and leave the batteries in the charger Remove the batteries first or they will discharge through the charger Constant overcharging or undercharging will shorten battery life The AgriSpec spectrometer will stop collecting spectra when the battery drains to about 9 7 volts and the software will post a Spectrometer Isn t Ready message However the instrument and attached probe will continue to draw current if power is left on Power down the instrument and remove probe as soon as possible when the above message occurs ASD Document 600542 Rev E 32 AgriSpec User Manual AASD www asdi com Chapter 5 Batteries 5 3 A
17. ation Reflectance and transmittance are inherent properties of all materials and are independent of the light source ASD Document 600542 Rev E 8 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction Reflectance is the ratio of energy reflected from a sample to the energy incident on the sample Spectral Reflectance is the reflectance as a function of wavelength Transmittance is the ratio of the radiant energy transmitted through a sample to the radiant energy incident on the surface of the sample Spectral Transmittance is the transmittance as a function of wavelength Relative reflectance is computed by dividing the energy reflected from the sample by the energy reflected off a white reference panel or standard Accessories for Light Sources and Probes ASD offers several accessories for e Delivering illumination to the sample e Collecting reflected or transmitted light from the sample e Transmitting the collected light to the spectrometer Some accessories such as the Contact Probe perform all of these functions Other accessories such as some of the optional foreoptic probes rely on other illumination sources Accurate analysis of collected spectra requires an adequate level of incident light on the sample The Contact Probe and MugLite accessories are designed for stability and accuracy and provide a controlled source of incident light They are powered by the accessory power port of the AgriSpec spec
18. ation 20 RMA 20 rocks 37 S sample count 51 scanning spectrometer 49 serial number 57 short wave infrared 8 software reguirement 6 software additional 57 soils 37 spectrograph 49 spectrometer 49 does not connect 43 theory of operation 7 spectroradiometer 49 spectrum averaging 59 spectrum average 51 steps in data 53 support ii SWIR 8 T technical support ii temperature effects 59 TerraSpec 50 trademarks ii trigger 17 U units of radiance 52 V vegetation 36 ventilation 19 visible near infrared 7 VNIR 7 VNIR dark current 54 VNIR spikes 52 W warm up 57 wavelength specification 4 white reference 9 39 51 Windows language settings 7 wireless connection can t get 45 ASD Document 600542 Rev E 62 AgriSpec amp User Manual
19. atistics for 18 1 1 11 Packets Sent 4 Received 4 Lost z loss Approximate round trip times in milli seconds Minimum ms Maximum ms Average Ams C Documents and Settings Bryon gt Figure A 2 Successful result of a ping operation The default IP Address for the ASD spectrometer is e 10 1 1 11 for the Ethernet interface or e 10 1 1 77 for the wireless interface ASD Document 600542 Rev E 44 AgriSpec User Manual MSD www asdi com Appendix A Troubleshooting The default subnet mask is 255 255 255 0 The computer s Ethernet adapter or wireless adapter must have a unique IP address in the same range as the spectrometer such as 10 1 1 X where X is a unique number The subnet mask must also be the same as the spectrometer such as 255 255 255 0 A 3 Does Not Connect Wireless e Refer to section A 1 Common Communication Fixes e Check to ensure that the wireless adapter is in the same range as the ASD spectrometer The default IP Address for the ASD spectrometer is 10 1 1 11 for the Ethernet interface or 10 1 1 77 for the wireless interface The default subnet mask is 255 255 255 0 The computer Ethernet adapter or wireless adapter must have a unique IP address in the same range as the spectrometer such as 10 1 1 x where x is a unique number The subnet mask must also be the same as the spectrometer such as 255 255 255 0 e Check to ensure that the wireless adapter is conne
20. ce Information B 1 4 How often dol need to optimize Optimization has no affect on the data unless the measurement has drifted towards saturation in which case optimization is mandatory The RS application provides a saturation warning B 1 5 How often do need a baseline White Reference Inside Use or Constant Lighting Conditions When using the instrument inside under constant lighting conditions or when using an accessory with its own light source collect a baseline white reference every 10 to 15 minutes while the instrument is warming up and then every hour or so thereafter Outside Use When using the instrument outside you should collect a new white reference frequently for temperature changes e accessory changes like switching probes It is important that the light intensity is the same for when the white reference is collected as for the measurements of the sample B 1 6 What spectrum average or sample count should I use When used with a MugLite Contact Probe or other accessory it is usually sufficient to use 10 20 scans in the spectrum averaging or sample count for the sample and 20 40 scans for the white reference The white reference isn t taken as often which is why you would want to include more scans in its averaging The signal to noise measurement increases with the square root of the number of scans used in the averaging Note The actual spectrum average will be a compromise betwee
21. ct your sales representative 3 5 Returning Instrument to ASD for Service In order to return the instrument to ASD for maintenance or repair a Return Merchandise Authorization RMA must be issued by ASD technical support The RMA includes scheduling details contact information shipping instructions as well as a brief description of the maintenance or repair requirements Please contact the technical support department at 303 444 6522 x 144 or support asdi com ASD Document 600542 Rev E 20 AgriSpec User Manual Chapter 4 Fiber Optic Interface ASD offers a variety of fiber optic cable lengths to interface with the AgriSpec spectrometer These fiber optic cables are used for reflectance and transmittance measurements Fiber optic cables should be loosely coiled and stored in the compartments provided All accessories should be stored in the designated compartments of the carrier or in a separate protective case 4 1 Fiber Optics Cables Two fiber optic cables are included with the spectrometer an external cable and an internal cable built into the instrument e The built in fiber optic cable is made up of fifty seven 57 randomly distributed ultra low OH silica glass fibers Nineteen 19 of these fibers are 100 micron and are distributed to the VNIR region The remaining thirty eight 38 fibers are 200 micron and are evenly divided between the two SWIR regions e The external fiber optic cable is made up of forty fou
22. cted to the spectrometer For Windows XP Select Start gt Network Connections Right click on the wireless adapter Select View Available Wireless Networks Ensure that the ASD spectrometer shows up in the list of wireless networks If the spectrometer is not connected Select the spectrometer Select the Connect button If you are using encryption then make sure you are using the same WEP key in the wireless adapter as the ASD spectrometer Power cycle the spectrometer ASD Document 600542 Rev E 45 AgriSpec User Manual AAS www asdi com Appendix A Troubleshooting i Wireless Network Connection Network Tasks dg Refresh network list 3 Set up a wireless network For a home or small office Related Tasks d Learn about wireless networking r Change the order of preferred networks Gp Change advanced settings Choose a wireless network Click an item in the list below to connect to a wireless network in range or to get more information 2001wifi 2 A 5 Security enabled computer to computer network Figure A 3 Wireless Network Connection A 4 Does Not Connect to the Access Point Refer to section A 1 Common Communication Fixes Check to ensure that the wireless interface on the spectrometer is not set to ad hoc Check to ensure that the SSID of the spectrometer is the same as the access point If you are using encryption then ensure that you are us
23. ction For instance if you are using the instrument in the field are walking a large area and are making frequent spectral readings you will want a shorter average setting than if you are collecting spectra in situ and desire the cleanest spectra possible The project screen will return and the sample count will be displayed in the status box at the bottom of the graph Ensure that the light source is on and the probe input end is pointed at the white reference panel Select Spectrum gt Take a Baseline Alt S B Ctrl R When prompted click Yes take a new white reference e The AgriSpec spectrometer optimizes the detector sensitivities for the probe and light source currently being used The dark offset and white reference will also be measured and saved e Status bars will indicate each process When optimization and white reference are complete you should see a straight baseline across the Project Graph at 1 00 100 Select the Display gt Reflectance Alt D R for the reflectance mode ASD Document 600542 Rev E 38 AgriSpec User Manual AASD www asdi com Chapter 6 Field Measurements Step 10 Place the sample on the white reference panel and the spacer end in contact against the sample This assumes that your reflectance probe has appropriate spacing or spacers on the end Step 11 Press the Space Bar once or select the Spectrum gt Take a Scan Alt S T When the AgriSpec spectrometer finishes reco
24. e spectrometer such as 255 255 255 0 e Unplug the Ethernet cable from the spectrometer ASD Document 600542 Rev E 47 AgriSpec User Manual MSD www asdi com Appendix A Troubleshooting Notes ASD Document 600542 Rev E 48 AgriSpec User Manual Appendix B Reference Information B 1 Frequently Asked Questions FAQ B 1 1 What is a spectrometer Spectrograph An optical instrument for forming the spectrum of a light source and recording it on a film The dispersing medium may be a prism or a diffraction grating This term was common prior to the digital age ASD instruments do not use film Spectrometer An optical instrument which uses detectors other than photographic film to measure the distribution of radiation in a particular wavelength region All ASD instruments are spectrometers Spectroradiometer An optical instrument for measuring the radiant energy radiance or irradiance from a source at each wavelength throughout the spectrum A spectroradiometer is a special kind of spectrometer Note Only the FieldSpec spectrometer is configured as a spectroradiometer The reason is that the fiber optic cable significantly affects the calibration required to measure radiance The FieldSpec instrument has a fixed fiber optic cable routed directly through the front panel to the internal spectrometers while the other ASD spectrometers are designed to detach and even interchange fiber optic cables To be meaningful
25. e optimal setting for this fiber optic bundle matcher is adjusted at the ASD factory If the customer has ordered several fiber optic configurations it may be necessary to adjust this bundle matcher in order to achieve the highest signal to noise ratio and best instrument response Changing the bundle matcher can effect the performance of the spectrometer In order to match the bundles Unlock the hex nut bolt at the front of the bundle matcher on the spectrometer with the 3 8 in hex nut driver included with the instrument 2 The AgriSpec spectrometer should be set up with the adjustment barrel of the matcher fully threaded into the body of the matcher any time a full 1 7 mm bundle is used which is almost always 3 With the ASD software application RS or Indico running and the fiber optic cables attached hand screw the fiber optic bundle matcher until the optimal signal is achieved Do not over twist the fiber optic bundle The optimal signal will be achieved by watching the RAW DN DN z digital numbers in the ASD application as the fiber optic bundle matcher is being hand adjusted Note The AgriSpec spectrometer should be set up with the adjustment barrel of the matcher fully threaded into the body of the matcher any time a full 1 7 mm bundle is used 4 Oncethe optimal signal is achieved lock down the fiber optic bundle matcher Tighten the 3 8 hex nut by turning the wing nut against the face of the instrument Use the hex
26. elow the foam insert at the bottom of the case The remaining portion of the case is designed to hold the various accessories that may have purchased with your instrument There are specific locations for the Contact Probe Hi Bright Muglite Spectralon battery pack and miscellaneous power cables WARNING The fiber cable should never be stored with a bend of less than a 5 diameter for long periods of time because the cable can be damaged with undetectable longitudinal fractures that can cause light leakage and weaker signals ASD Document 600542 Rev E 12 AgriSpec User Manual AASD www asdi com Chapter 2 Setup 2 2 Power Supply The AgriSpec spectrometer reguires input power to be 12 VDC 60 W It does not contain an internal power supply to convert AC voltage to DC nor does it have internal batteries The three options for providing the spectrometer with the appropriate DC voltage are e An external power supply that converts 100 VAC to 240 VAC 50 Hz or 60 Hz to 12 VDC shown in Figure 2 3 e An external battery pack that delivers 12 VDC e An external adapter for vehicle cigarette lighters sold separately and should not be used with vehicle engine running Caution Use only ASD approved power supplies or connectors to power the instrument Figure 2 3 AgriSpec spectrometer power supply and cables ASD Document 600542 Rev E 13 AgriSpec User Manual AASD www asdi com Chapter 2 Setup F
27. ery lasts about nine 9 hours using a VNIR only spectrometer with accessory not powered by the instrument in an ambient environment The charge of the NiMH battery lasts over four 4 hours using a full range spectrometer with a Contact Probe in an ambient environment The Gel Cell rechargeable battery lasts about nine 9 hours using a VNIR only spectrometer with accessory not powered by the instrument in an ambient environment The charge of the Gel Cell battery lasts over four 4 hours using a full range spectrometer with a Contact Probe in an ambient environment The Gel Cell rechargeable batteries are rated to give 200 to 300 uses when they are fully drained discharged to 9 volts each use Letting the battery discharge under 9 Volts will shorten the battery s life If the battery is only used for 50 rated capacity up to 500 uses are possible In the same way using only 30 capacity can result in up to 1 000 uses Note The limiting factor for how long you can work in the field may be the battery in the instrument controller rather than the spectrometer s batteries B 1 19 What type of Ethernet cable can I use for the static IP configuration The spectrometer can be plugged directly into the instrument controller using a cross over shielded Ethernet cable When the spectrometer and instrument controller communicate over a network use standard shielded Ethernet cables and IP addresses compatible with the network The spectrom
28. etector signal DC is a property of the detector and the associated electronics not the light source DC varies with temperature In the VNIR region DC also varies with integration time Whenever DC is taken a mechanical shutter is used to block off the entrance slit of the VNIR spectrometer so the signal can be measured This signal is subtracted from each subsequent spectrum until another DC is taken The SWIR spectrometers take and subtract DC on every scan The DC measurement can be updated at any time but should be updated more frequently in the beginning of a given session while the instrument warms up The VNIR spectrometer is fitted with a unique software and hardware combination feature called Driftlock Driftlock corrects for DC changes over time It automatically updates DC for every measurement by looking at a series of masked pixels at the front portion of the VNIR array The Driftlock feature corrects for the majority of DC variation over time White Reference A material with approximately 100 reflectance across the entire spectrum is called a white reference panel or white reference standard The raw measurement made by the spectrometer is influenced by both the sample and the light source An independent measure of the light source illumination on a reference of known reflectance is required to calculate the reflectance of the sample The use of a white reference standard with near 100 reflectance simplifies this calcul
29. etector for SWIR1 and another for SWIR2 This is different from the VNIR spectrometer which has an array of 512 detectors Thus SWIR spectrometers collect wavelength information sequentially rather than in parallel Each SWIR spectrometer consists of a concave holographic grating and a single thermo electrically cooled Indium Gallium Arsenide InGaAs detector The gratings are mounted about a common shaft which oscillates back and forth through a 15 degree swing As the grating moves it exposes the SWIRI and SWIR2 detectors to different wavelengths of optical energy Each SWIR spectrometer has 600 channels or 2 nm sampling interval per SWIR channel The spectrometer firmware automatically compensates for the overlap in wavelength intervals Like the VNIR detectors the SWIR1 and SWIR2 detectors convert incident photons into electrons This photocurrent is continually converted to a voltage and is then periodically digitized by a 16 bit analog to digital A D converter This digitized spectral data is then transmitted to the instrument controller for further processing and analysis by the controlling software The grating is physically oscillating with a period of 200 ms It performs a forward scan and a backward scan resulting in 100 ms per scan This is the minimum time required for any SWIR samples or full range samples Communicating with the Instrument Controller Computer The AgriSpec spectrometer communicates with the instrument
30. eter imposes significant traffic on the network which can cause packet delays to other users More importantly network traffic from other users can negatively impact the reliability of the communication between spectrometer and instrument controller ASD Document 600542 Rev E 56 AgriSpec User Manual AASD www asdi com Appendix B Reference Information B 1 20 Can linstall additional software on the instrument controller Yes but with gualifications The types of applications that can interfere with the measurement of data are utility programs network programs and those working in the background such as virus checkers ASD programs such as RS and Indico reguire real time access to the data that 1s being streamed from the AgriSpec spectrometer at a high rate of speed Programs running in the background can cause packets to be lost Microsoft Office image processing programs and other software applications generally do not interfere with ASD programs particularly if they are not running and competing for CPU cycles and RAM at the same time that data is being collected from the AgriSpec spectrometer B 1 21 Why does the software seem to do unexpected things To assure accuracy in the collection and processing of data the ASD application software is designed to finish its current operation before moving on The AgriSpec spectrometer outputs a lot of data at a high rate of speed for the ASD application software to collec
31. gure 2 7 Shielded cross over Ethernet cable 2 4 Accessory Power Port The accessory power port is located on the front of the unit as shown in Figure 2 8 This port 1s where external accessories such as the Contact Probe or Source Probe attach to receive power from the spectrometer Figure 2 8 Enhanced view of the front panel with the fiber optic cable connector port for remote trigger and accessory power port for probe The accessory power port is provided for optional ASD approved accessories Attach the large connector end of the cable into the accessory power port of the front panel Attach the other end of the power cable into the Contact Probe Hi Brite MugLite or other ASD approved accessory Please contact ASD for information about these accessories WARNING Never attempt to use unauthorized accessories on the accessory power port ASD Document 600542 Rev E 16 AgriSpec User Manual AASD www asdi com Chapter 2 Setup Figure 2 9 Cable used from the AgriSpec spectrometer accessory power port to the Contact Probe MugLite or other authorized ASD accessory 2 5 Remote Trigger An external trigger is standard with the AgriSpec spectrometer The LEDs on the trigger are bright enough to be seen even on a sunny day The LEDs are lit up when the trigger is pushed briefly and turned off when the capture is complete Figure 2 10 shows the trigger switch with its LEDs The trigger plugs into the spectrometer
32. h could break the tip off ASD Document 600542 Rev E 26 AgriSpec User Manual AASD www asdi com Chapter 4 Fiber Optic Interface Figure 4 7 Magnifier for testing the internal fiber optic cable Step5 On the instrument controller exit any ASD applications that might be running and communicating with the unit Such applications include RS and Indico Step 6 Ensure that the spectrometer is turned on Step 7 Start the Fiber Check application from the Start menu under All Programs gt ASD Programs gt Indico Pro Tools gt Fiber Check _ Fiber Check Ej IP Address 7 Vnir Swirl 7 Swir2 Figure 4 8 Fiber Check Program Step 8 Ensure that the IP address configured is the one for the spectrometer ASD Document 600542 Rev E 27 AgriSpec User Manual AASD www asdi com Chapter 4 Fiber Optic Interface Step9 Use the mouse to select the checkbox for the LED to turn on VNIR SWIR1 or SWIR2 One or more may be selected at once Note Ifa range is selected that the spectrometer does not have that particular LED will not be available to turn on Nothing will be harmed Step 10 Select the Check button which turns on the selected LEDs Step 11 Look through the magnifier to see which fibers light up e Count the number of fibers that show light Refer to Details about the Fiber Optic Cable and LEDs e If applicable use the checkboxes and the Check button shown in Figure 4 8 to turn on a
33. he AgriSpec spectrometer saturate in the SWIR 2 region if the instrument is still coming to equilibrium from a cooler environment to a warmer environment Frequent re optimizations will address this problem until the instrument comes to equilibrium ASD Document 600542 Rev E 59 AgriSpec User Manual AASD www asdi com Appendix B Reference Information The ASD applications provide a warning when the SWIR detectors are out of thermal regulation B 7 Technical Support If you have any questions or concerns please contact ASD Inc by phone fax or email Phone 303 444 6522 X 144 Fax 303 444 6825 email support asdi com Web www asdi com ftp ftp asdi com Technical support is committed to providing you with a timely response to your questions We will work with you to provide solutions to your applications Technical support is available to answer your questions Monday thru Friday 8 am to 5 pm Mountain Standard Time We will happily respond to your e mail queries as well B 8 W E E E Compliance Analytical Spectral Devices supports the W E E E Regulation ASD marks lt the instruments with the symbol at the left to show that this product has mmm cntered the market place after August 13 2005 If you decide to end the use of the spectrometer please do not discard it as general waste ASD will accept the return of your instrument for recycling purposes Contact ASD Customer Service to arrange for the return of your
34. he GPS Settings dialog box enter communication settings appropriate for your instrument controller s port intended for use as well as the GPS device Note The RS settings on the instrument controller and the ports that are used must match the actual port used as well as the settings of the GPS device Step3 Connect an appropriate cable between the instrument controller s port and the GPS device You may need a serial USB converter depending upon the instrument controller and GPS device Step 4 Enable the GPS functionality in the RS application by selecting either e GPS gt Enable pull down menu item Alt G E key combination Step 5 Refer to the manual of your actual GPS device for further instructions regarding usage and configuration B 1 17 What does a broken fiber mean The internal fiber optic cable is made up of fifty seven 57 randomly distributed glass fibers e 19 fibers are 100 micron for the VNIR region e 19 fibers are 200 micron for the SWIR1 region e 19 fibers are 200 micron for the SWIR2 region Therefore a single broken fiber in the internal cable results in a 5 reduction in the signal in a given region The external fiber optic cable is made up of forty 44 200 micron glass fibers Note Each broken external fiber results in a few percentage loss of response over the entire range It is hard to quantify how this affects the response of any given range because each time the external cable
35. iad kad kl RR lk kel CUR be hn ease 13 Ethemet OS iin x lk xula WE kwa kale R ees 15 Accessory Power FOR ss us uk Ela nk a walk lak kala lk ROBI aw 16 Remote Trigger i oe DR kk kk KK KK KK KK KK KK KK KK a KK KK KK KK k k 17 Chapter 3 Usage and Maintenance kk kK KK KK KIR kK KK KK kk kk kk kk kk kk 19 Light SOUIGGS isses xalxala a kull duty Re a Rand Sba sandina l ER cte 19 Access and Ventilation ea a dd is Gee cn kk KK KK KK KRE KK KRE KK KK 19 TO 20 Annual Maintenance kk kk kk kk kK KK KK KK KK KK KK ees 20 Returning Instrument to ASD for Service KK KK RR KK KK 20 Chapter 4 Fiber Optic Interface 2242241400114 304 rh t hR al ka ka aaa 21 Fiber Opics Ca EMPIRE 21 Fiber Optic Cable Interface soos dane nde ERR RR KK hi 22 Matching Fiber Bundles z a4 6a ack za sd ka bb Nee whee be k 24 LED Check Tor Fiber Optic Cable 505 oa bs KK ind se RE REY RE 26 2008 ASD Inc lii AgriSpec User Manual MSD www asdi com Chapter 5 cci REM EET 31 z cpi a casca a a rt 31 Be r o a e kal AS de ba ka o hd ie 32 Application Battery Indicator kk kk kk kk kK KK KK KIR KK KK KK KK k 33 Chapter 6 Field Measurements i dd 2a kk kk kk kk Rr kk kk kk kk kk kk kk kk kk lk kk 35 lllumination PTT 36 VEISA cis aa da bobo ae dd dva am pm 36 Rocks Soils and Man Made Materials 0 KK KS 37 Suggested Set up kk kk kk
36. igure 2 4 Portable battery pack Both the external AC power supply and the DC battery pack have the appropriate power connector Figure 2 5 to connect to the AgriSpec spectrometer on the back panel Figure 2 6 Figure 2 5 AgriSpec spectrometer power connector which plugs into the instrument Insert power battery or power supply into the receptacle on the back panel labeled INPUT 12 VDC 60 WATT Lock the connector in place by twisting the barrel end of the connector clockwise ASD Document 600542 Rev E 14 AgriSpec User Manual AAS www asdi com Chapter 2 Setup Figure 2 6 AgriSpec spectrometer back panel showing Ethernet connection power switch and power input jack 2 3 Ethernet Cables For Information about configuration of the Ethernet card and cable please refer to the Installation Guide Only use shielded Ethernet cables to reduce electromagnetic interference with the instrument Note the location of the computer interface connection Figure 2 6 shows the back panel containing the Ethernet port which is labeled RJ45 ETHERNET With the AgriSpec spectrometer and the instrument controller fully powered down and turned off plug the shielded cross over Ethernet computer cable as shown in Figure 2 7 into the Ethernet ports of the AgriSpec spectrometer and the instrument controller ASD Document 600542 Rev E 15 AgriSpec amp User Manual AAS www asdi com Chapter 2 Setup Fi
37. ing the same WEP key in the spectrometer as the access point Move the access point spectrometer and instrument controller computer to the same room to test the connection ASD Document 600542 Rev E 46 AgriSpec User Manual MSD www asdi com Appendix A Troubleshooting A 5 Spectrometer Loses its Wireless Connection e Refer to section A 1 Common Communication Fixes e Try to minimize the RF noise in your environment RF noise interference can come from 2 4 Ghz cordless phones microwaves monitors electric motors ceiling fan lights security systems etc e Positioning of the spectrometer and instrument controller computer can affect the wireless range Minimize obstructions between the spectrometer and the instrument controller Wall ceilings doors buildings hills etc can degrade the signal of the spectrometer and computer A 6 Wireless Interface is Disabled in the Netcfg Application e Refer to section A 1 Common Communication Fixes e Check to ensure that the wireless adapter is in the same range as the spectrometer The default IP Address for the ASD spectrometer is 10 1 1 11 for the Ethernet interface or 10 1 1 77 for the wireless interface The default subnet mask is 255 255 255 0 The computer Ethernet adapter or wireless adapter must have a unique IP address in the same range as the spectrometer such as 10 1 1 x where x is a unique number The subnet mask must also be the same as th
38. inserted into the spectrometer and host computer Check that the Ethernet LED 1s on e For an isolated network check that the Ethernet cable is a cross over Ethernet cable For an established network check that the Ethernet cable is a standard Ethernet cable e Check that the IP Address is in the same range or subnet as the ASD spectrometer The same subnet means that the first three octets of the IP address XXX XXX Xxx match the spectrometer and the computer 2008 ASD Inc 43 AgriSpec User Manual AASD www asdi com Appendix A Troubleshooting e Do a ping test to make sure the spectrometer is responding Open up a command window by selecting Start gt Run Type cmd in the Run window Select OK to open the window For an Ethernet connection type ping 10 1 1 11 For a wireless connection type ping 10 1 1 77 Type the name of a program Folder document or 7 Internet resource and Windows will open it for you Open Hit Figure A 1 Run window with cmd ca C WINDOWS system32 cmd exe rosoft Windows AP Version 5 1 26001 lt C Copyright 1985 2661 Microsoft Corp C Documents and Settings Bryon ping 16 1 1 11 Pinging 18 1 1 11 with 32 bytes of data Reply from 16 1 1 11 bytes 32 time lt ims TITL 64 Reply from 10 1 1 11 bytes 32 time lt ims TTL 60 Reply from 10 1 1 11 bytes 32 time lt ims TTL 60 Reply from 16 1 1 11 bytes 32 time lt ims TTL 649 Ping st
39. instrument ASD Document 600542 Rev E 60 AgriSpec User Manual Index A access point can t connect 46 accessories 5 accessory light sources and probes 10 accessory power port 16 AgriSpec 50 array spectrometer 49 ASCII conversion 58 B baseline collection 51 battery 31 care 31 battery life 56 broken fiber 55 c check fiber optic cables 26 cleaning 20 communications 8 computer reguirement 6 conversion of data 58 D dark current in VNIR 54 Dark Current measurement 9 data conversion 58 data sinusoidal wave 52 E Ethernet 15 Ethernet cable 56 Ethernet interface 5 F fiber check 26 fiber optic cables 21 fiber optics 21 fiberoptic interface 21 field of view 53 FieldSpec 50 Frequently Asked Questions FAQ 49 G gain 58 GPS 54 H hardware specifications 3 l illumination 36 instrument controller 6 interface requirement 5 L LabSpec 50 language settings Windows 7 LED fiber optic check 26 light sources 19 maintenance annual 20 materials man made 37 N near infrared 8 Netcfg 47 NIR 8 noise in data 53 O offset 58 optimization 51 59 P physical specification 3 post process data 52 power port accessory 16 power requirements 3 power supply 13 Q QualitySpec 50 2008 ASD lnc 61 AgriSpec User Manual AASD www asdi com Index R loses 47 radiance units 52 wireless interface remote sensing 50 disabled 47 return merchandise authoriz
40. interface between the external fiber optic cable shown in Figure 4 2 and Figure 4 3 and the instrument connection Figure 4 2 View of the fiberoptic bundle matcher and the fiberoptic port Note The fiber optic bundle matcher has a standard 1 7 mm fiber optic bundle input ASD Document 600542 Rev E 23 AgriSpec User Manual AASD www asdi com Chapter 4 Fiber Optic Interface Figure 4 3 View of the fiberoptic cable fiber bundle matcher and fiber connection Screw the fiber bundle matcher into the fiber connection as far as possible ASD external fiber optic cables most commonly come in one of the configurations listed in Figure 4 4 The millimeter size mm is the internal diameter of the fiber optic bundle The AgriSpec spectrometer is almost always used with the 1 7 mm external fiber optic cable diameter 1 7mm 0 6mm 0 4mm Figure 4 4 Examples of the external fiberoptic cable diameters 4 3 Matching Fiber Bundles Now that there is an understanding of how the external fiber optic cables and the fixed fiber optic bundle matcher are configured they need to be combined The three scenarios in Figure 4 5 show how the fiber optic bundles are matched ASD Document 600542 Rev E 24 AgriSpec User Manual A SD www asdi com Chapter 4 Fiber Optic Interface 1 7 mm to 1 7 mm 1 7 mm to 0 6 mm cna m e 1 7 mm to 0 4 mm Figure 4 5 Matching fiber bundles to the AgriSpec spectrometer fiber port Note Th
41. k samples Rapid analysis allows measurement of large numbers of samples Compatible Works with off the shelf chemometrics software Grams PLS plus IQ and Unscrambler 2008 ASD Inc 1 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction 1 1 Hardware Specifications This section contains details about the AgriSpec spectrometer 1 1 1 Physical Specifications Height 12 7 cm 5 inches Width 35 6 cm 14 5 inches Depth 29 2 cm 11 5 inches Weight 5 6 kg 12 lbs e Durable satin powder coat finish with green urethane end caps and handles e All vital components are in a dust proof enclosure and EMI sealed e Adjustable fiber optic to instrument spacer 1 1 2 Power Input and Output AC Power Supply Type Auto ranging Switching SELV AC Input 90 240 VAC 50 60 Hz DC Input 12 VDC 50 Watt Accessory Power Port Output 12 VDC 19 2 W max front of instrument The near infrared NIR is also called the short wave infrared SWIR ASD Document 600542 Rev E 2 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction Instrument Configuration Power Rating Maximum 350 1050 nm 12 VDC 45 Watt 350 1800 nm 12 VDC 50 Watt 1000 1800 nm 12 VDC 50 Watt 1800 2500 nm 12 VDC 50 Watt 1000 2500 nm 12 VDC 60 Watt 350 2500 nm 12 VDC 60 Watt 1 1 3 AgriSpec Wavelength Configuration Wavelength Name Wavelength Range VNIR S
42. kk kK KK KK KK KK KK KK eee eee eens 37 RSJ AGDICHION z ze k A sa a la A kel dl kh hk 37 Ingibo ADBICBUDIT uuu cd een yest eee P l di l ka UD Me REOR 38 White Reference cc cee kk kk kk kK kK kk KK KK KK KK kk kk kk kk kk kk kk ke 39 Spectralon Reflectance Data kk kk KK KK R KI KIR KR KI K K KK 39 Maintaining Spectralon References 000 RR RR eee 41 White Reference Procedures kk KK KK KK eects 42 Appendix A Troubleshooting i k kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk 43 Common Communication F xes 4 kk kk kk KK KK KK KK KK KIR KK KK ees 43 Does Not Connect to the Spectrometer kk kK RR RR RR KK KK 43 Does Not Connect Wireless 10 3 k bada bod KK KK KK KK KS 45 Does Not Connect to the Access Point KK KK KK RR RR KK 46 Spectrometer Loses its Wireless Connection llli 47 Wireless Interface is Disabled in the Netcfg Application 47 Appendix B Reference Information 000 kk kk kk kk kk kk kk kk kk ak kk ka 49 Frequently Asked Questions FAQ JX kK KK KK KK KK KK KK KK KK 49 What is a spectrometer kk kk kk kk kK KK KK KI KK KK KK KK KK KK 49 What are the differences between the ASD spectrometers 50 What is remote sensing 2 52a a oko ba FR Y ob KK KK KK 50 How often do need to optimize 00 2 KK KK ee 51 How often do need a baseline White Reference
43. le from the battery to the instrument power connector back of instrument How long the spectrometer will run with a fully charged battery depends on many variables including battery age instrument configuration environment and accessories powered by the accessory power port 5 1 Battery Care Note Proper care of the Gel Cell Electrolyte rechargeable batteries ensures a long life The batteries are rated to give 200 to 300 uses when they are fully drained discharged to 9 Volts each use Letting the battery discharge under 9 Volts will shorten the battery life If the battery is only used for 50 rated capacity up to 500 uses are possible In the same way using only 30 capacity can result in up to 1 000 uses There is no such thing as memory effect on these cells Only use them for the time needed When finished with the batteries recharge them fully and then store them away until next use 2008 ASD Inc 31 AgriSpec User Manual AASD www asdi com Chapter 5 Batteries WARNING Recharge a fully discharged battery as soon as possible usually within 24 hours Uncharged batteries will be incapable of accepting a charge if the period of time between charges is too long A partially discharged battery does not need charging immediately However if the battery is to be stored away first charge it to full capacity When 100 charged these batteries can be stored up to six months at that time perform a topping ch
44. n an approximate 5 loss of response in that particular range VNIR SWIR1 or SWIR2 Each broken external fiber results in a few percentage loss of response over the entire range It is hard to quantify how a broken fiber in the external cable affects the response of any given range each time the external cable is connected to the spectrometer the alignment with the fibers of the internal cable will most likely be different The instrument can be successfully used with a few broken fibers in each range although with a reduction in signal strength For severely damaged internal fiber optic cables send the instrument back to ASD Inc in its carrying case for repairs For severely damaged external fiber optic cables order replacements from ASD Inc ASD Document 600542 Rev E 29 AgriSpec User Manual AASD www asdi com Chapter 4 Fiber Optic Interface Notes ASD Document 600542 Rev E 30 AgriSpec User Manual Chapter 5 Note Batteries The specifications of the battery are as follows Type Gel Cell Electrolyte Rating 12 V 9 amp hour Life Over four 4 hours using a full range AgriSpec spectrometer with a Contact Probe in an ambient environment Nine 9 hours using a VNIR only AgriSpec spectrometer with accessory not powered by the instrument in an ambient environment X Recycle batteries and do not dispose of as general waste To run the instrument with battery power plug the battery cab
45. n noise reduction through spectra averaging and the time required for each spectra collection For instance if you are using the instrument in the field to measure a large number of samples you will want a smaller number of spectra in the average to decrease the collection time required If you are collecting spectra in the lab you ll want to increase the number of spectra in the averaging to obtain the cleanest spectra possible ASD Document 600542 Rev E 51 AgriSpec User Manual AASD www asdi com Appendix B Reference Information B 1 7 What if want to keep the same settings all day Even if you could keep the same settings for the integration time gain value and offset value for the entire day you probably wouldn t want to Most of the measurements made by the instrument are ratios where such values get cancelled out and become irrelevant It is far more important to keep the instrument from saturation and to ensure the baseline white reference is fresh B 1 8 What are the units of radiance Radiance is the radiant power per unit source area per unit solid angle This is measured in Watts per square meter per steradian W m2 sr The AgriSpec spectrometer does not measure radiance because this requires radiometric calibration files which are dependent on the fiber optic cable and its connection to the instrument The AgriSpec spectrometer can be used with different accessories and fiber optic cables The Agri
46. nd off different LEDs to help determine which range might be affected Note The RED LED for VNIR may be hard to see when the other ranges are enabled Figure 4 9 Internal spectrometer LED shining to test internal fiber optic cable Step 12 When you are finished shutdown the Fiber Check application Step 13 Carefully remove the magnifier and re attach the bundle matcher and fiber optic port using the 9 16 nut driver Step 14 Inspect the external fiber optic cable disconnected from the instrument Unscrew the lens from the magnifier and place it onto the short magnifier assembly ASD Document 600542 Rev E 28 AgriSpec amp User Manual AASD www asdi com Chapter 4 Fiber Optic Interface Figure 4 10 Short and Long Magnifier Assemblies 2 Attach the magnifier to one end of the fiber optic cable 3 Point the other end of the fiber optic cable close to a light 4 Observe which fibers transmit light Details about the Fiber Optic Cable and LEDs The LEDs will only turn on for the ranges installed in the spectrometer Selecting one that the spectrometer does not have will not cause a problem Each range has a different LED color so that you can see the fibers in the cable that are associated with it RED for VNIR WHITE for SWIR1 GREEN for SWIR2 The fiber bundle of the internal cable for each range contains 19 fibers The fiber bundle of the external cable contains 44 fibers Each broken internal fiber results i
47. nt controller is supplied by the customer it must be 802 11b compatible The AgriSpec spectrometer uses industry standard components It has the same general connection speed and distance capabilities as other 802 11 Ib wireless devices For the best performance ensure that there is a clear line of sight between the spectrometer and instrument controller Obstructions or radio frequency interference in close proximity can cause a loss of communication or significantly shorten the communication range Note For information about configuration of the Ethernet card and cable please refer to the Installation Manual 1 1 5 Standard Accessories e AgriSpec Spectrometer e AgriSpec User Manual PDF on Flash Drive e Instrument Controller ASD approved laptop computer RS Software Pack e Indico Software Pack e 1 5 meter FR Low OH Fiber Optic Jumper Cable Power Supply 12 V Battery Belt Gel Cell 12 V 9 A hour with Charger and 6 ft Battery to Instrument Power Cable Power Adapter with 6 m 20 ft Cable for Automobile Cigarette Lighter When using this adapter turn off the engine to the vehicle electromagnetic fields from the engine can generate noise in the acquired signals e 5 meter Instrument to Probe Accessory Power Cable ASD Document 600542 Rev E 4 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction Remote Trigger with LEDs and Velcro Pads RJ45 CAT 5e UTP Ethernet Shielded Cro
48. oid personal injury or damage to ASD equipment ASD Document 600542 Rev E viii AgriSpec User Manual MSD www asdi com The Power Supply is intended for Indoor Use Only When using an electrical appliance basic safety precautions should always be followed Danger To reduce the risk of electric shock read all instructions before using the power supply A power supply should never be left unattended when plugged in Always unplug the power supply from the mains socket immediately after using Warning To reduce risk of burns fire electric shock or injury to persons or animals 1 Use this power supply only for its intended use as described below 2 Do not use outdoors 3 Do not allow to be used as a toy Pay close attention when this power supply is used by or near to children 4 Use only attachments recommended by the manufacturer 5 Never operate the power supply if it has a damaged cord or plug if it has been dropped or damaged or if it has fallen into water In such cases return the power supply to an authorized dealer or service center for examination or repair 6 Never drop or insert an object into any openings 7 Do not operate where aerosol spray products are being used or where oxygen is being administered 8 The power supply should be used near to a convenient and easily accessible mains socket ASD Document 600542 Rev E ix AgriSpec User Manual MSD www asdi com Notes ASD
49. one one file at a time Or several files can be merged into a single text file which is a useful feature when inputting data into other analysis programs B 3 Gain and Offset Gains and offsets are determined during optimization by an optimization algorithm in the RS application You can observe this process in the RS application by depressing the OP button on the top right hand toolbar The gains offsets and integration time will then appear in the lower left hand corner These parameters are set by the optimization routine and cannot be set manually The Gain Value is the inverse of actual gain A decrease in Gain Value will produce a higher gain The maximum Gain Value is 16 Under the low light levels that create such a gain small changes in Offset will translate into large changes in dynamic range Offset causes a downward shift from Y 32 768 DN in a SWIR spectrum such that the max value of the spectrum and the minimum value of the spectrum Dark Current off screen are equidistant from the line y 32 768 Under ideal conditions where there s enough light there will be about 32 768 ASD Document 600542 Rev E 58 AgriSpec User Manual AASD www asdi com Appendix B Reference Information DN of signal immediately after optimization 1 000 This means that optimization creates about 16 000 DN of dark current and about 16 000 DN of dynamic range But this dynamic range will disappear with either a slight increase
50. ork with this spectrometer AgriSpec is a general purpose spectrometer designed for agriculture and the field analysis of vegetation and soils Its resolution is ideally suited for performing reflectance and transmittance spectral measurements of samples that have broad absorptions features This spectrometer can use nearly all of the accessories containing a light source such as the plant probe and leaf clip LabSpec is a general purpose spectrometer designed not only for laboratory analysis but also for the plant floor receiving and even field work It is meant to be portable for multiple uses requiring visible and near infrared reflectance transmission or absorbance to analyze and identify materials The LabSpec is similar to the AgriSpec The LabSpec 2500 has a 10 nm resolution while the LabSpec 2600 has a 6 nm resolution QualitySpec is a general purpose spectrometer specifically designed for material analysis and identification in the laboratory The QualitySpec features are equivalent to the AgriSpec except that it is not field portable B 1 3 What is remote sensing Remote sensing is defined as the art and science of obtaining information about an object without being in direct physical contact with the object The ASD spectrometers achieve this using visible near infrared VNIR and short wave infrared SWIR spectra ASD Document 600542 Rev E 50 AgriSpec amp User Manual AASD www asdi com Appendix B Referen
51. osoft Windows operating system including software installation International customers using non English versions of Windows must alter the Regional Settings under Start gt Settings gt Control Panel The default language must be set to English United States in order for the software to be registered and operate correctly The numbering format must also be set to English 1 4 Theory of Operation The AgriSpec spectrometer measures the optical energy that is reflected by absorbed into or transmitted through a sample Optical energy refers to a wavelength range that is greater than just the visible wavelengths and is sometimes called electromagnetic radiation or optical radiation With accessories various set ups and built in processing of the optical energy signal the AgriSpec spectrometer can measure e spectral reflectance e spectral transmittance and e spectral absorbance Fiber Optic Collection of Reflected Transmitted Light Optical energy is collected through a bundle of specially formulated optical fibers precisely cut polished and sealed for extremely efficient energy collection The fibers themselves are of low OH composition providing the maximum transmission available across the wavelength range of the instrument Inside the AgriSpec Spectrometer The fiber cable delivers the collected optical energy into the instrument where it is projected onto a holographic diffraction grating The grating separates and
52. pplication Battery Indicator The RS and Indico applications from ASD have a Power Status It is located at the bottom of the main window next to the Connection Status The voltage level of the spectrometer will be reported in the balloon type window e 11 12 Volts is considered good full e lt 11 Volts issues a warning D Power Status Good 12V Figure 5 1 Example of a Power Status ASD Document 600542 Rev E 33 AgriSpec User Manual AASD www asdi com Chapter 5 Batteries Notes ASD Document 600542 Rev E 34 AgriSpec User Manual Chapter 6 Field Measurements Spectrometry is the quantitative measurement of reflectance transmission or absorption It involves the collection of accurate spectra and requires an awareness of the influences of Accurate and repeatable material analysis or identification requires the accurate and repeatable measurement of reflectance transmission or absorption It requires an awareness of the influences of e Sources of illumination e Instrument field of view e Sample viewing and illumination geometry e Instrument scanning time Spatial and temporal variability of the sample characteristics Many of these parameters are controlled when using one of the ASD standard sampling interfaces e g MugLite or Contact Probe Spectral measurements are desirable for many reasons e Spectra of target materials allows for more precise image analysis and interpretation
53. r 44 randomly distributed ultra low OH silica glass fibers that are 200 micron This cable has a Numerical Aperture NA of 0 22 The external fiber optic cable length is typically 1 meter Additional external fiber optic cables can be ordered in a variety of lengths However as the length increases the cable s transmission decreases at wavelengths below 400 nm and above 2000 nm External fiber optic cables should be coiled and stored in the compartment provided in the shipping case All accessories should be stored in the designated compartment of the case or in a separate protective case 2008 ASD Inc 21 AgriSpec User Manual AASD www asdi com Chapter 4 Fiber Optic Interface WARNING The external fiber optic cable are protected with a metal spiral inside the black PVC cable casing If there are kinks in the cable the fibers are not necessarily damaged If however the cable has been damaged so severely that the protective metal spiral can be seen the chances are high that the fibers have been damaged Each broken fiber results in a 5 loss of response The fiber optic cable should never be stored with a bend of less than a 5 diameter for long periods of time The fibers can be damaged by coiling the cable up too tightly If left in a tight coil for longer than a week the fibers are likely to develop longitudinal fractures that will not be detectable These fractures in the fiber will cause light leakage re
54. radiance measurements with non FieldSpec instruments would have to be performed using the same fiber optic cable and the same connector orientation of the plugged in fiber optic cable as the factory calibration The SWIR component of the ASD spectrometer is a scanning spectrometer while the VNIR component is an array spectrometer 2008 ASD Inc 49 AgriSpec User Manual AASD www asdi com Appendix B Reference Information B 1 2 What are the differences between the ASD spectrometers FieldSpec is a general purpose spectrometer specifically designed for field environmental remote sensing The FieldSpec is a spectroradiometer in that it is calibrated to be able to perform radiance and irradiance measurements as well as reflectance and transmittance The fiber optic cable is routed through the front panel and is fixed to the internal spectrometers which provides a superior signal to noise ratio than the other ASD spectrometers with detachable fiber optic cables The FieldSpec spectrometer can also be specially ordered as a high resolution instrument the main TerraSpec feature TerraSpec is a high resolution spectrometer specially designed for mining and geology applications It is ideally suited for performing reflectance spectral measurements of rocks minerals and core samples Its higher resolution is optimized for samples that have high absorption features The Hi Brite MugLite and Hi Brite Contact Probe are designed to w
55. rameters which are multiplicative in nature and present in both the spectral response of a reference sample and the target material are ratio ed out such as e The spectral irradiance of the illumination source e The optical throughput of the field spectrometer Note An inherent assumption when determining the reflectance or transmittance of a material in the field is that the characteristics of the illumination are the same for the reference and target materials Variability of the illumination characteristics between the time the reference and target materials are measured will result in errors in the resultant spectra 6 2 Vegetation The absorption features seen in vegetation spectra are all related to organic compounds common to the majority of plant species Thus the information about a plant canopy is contained in the relative intensity of the various absorption features rather than in the presence or absence of a specific absorption feature The major spectral absorption features can be attributed to e water plant pigments chlorophyll zanthophyll carotenoids Other minor absorption features are attributable to other chemical components these include e cellulose e lignin e proteins ASD Document 600542 Rev E 36 AgriSpec User Manual AASD www asdi com Chapter 6 Field Measurements e starches e sugars Non photosynthetic components of the canopy have spectra which are dominated by abso
56. rding and averaging the Spectra the graph in the project window will be updated to show the reflectance spectrum of the sample Step 12 Observe samples 6 5 White Reference A material with 95 99 reflectance across the entire spectrum is called a white reference panel or white reference standard The raw measurement made by the spectrometer is influenced by both the sample and the light source An independent measure of the light source illumination on a reference of known reflectance is required to calculate the reflectance of the sample The use of a white reference standard with near 100 reflectance simplifies this calculation The ASD application software such as RS and Indico can calculate the ratios for reflectance or transmittance of the material being sampled by the AgriSpec spectrometer using the white reference as the standard Spectralon from Labsphere is the white reference standard that is very suitable for the VNIR and SWIR spectral ranges of ASD instruments Spectralon is made of polytetraflouroethylene PTFE and cintered halon It has the characteristic of being nearly 100 reflective within the wavelength range of 350 nm to 2500 nm A Spectralon white reference scatters light uniformly in all directions within that wavelength range 6 5 1 Spectralon Reflectance Data Table 6 1 shows the published reflectance data for an uncalibrated SRM 990 When SRM 990 is used as the white reference for a reflectance measurement
57. reflects the wavelength components for independent measurement by the detectors Visible Near Infrared VNIR The Visible Near Infrared VNIR 350 1000 nm wavelength portion of the spectrum is measured by a 512 channel silicon photodiode array overlaid with an order separation filter Each channel or detector is geometrically positioned to receive light within a narrow 1 4 nm range The VNIR spectrometer has a spectral resolution full width half maximum of a single emission line of approximately 3 nm at around 700 nm ASD Document 600542 Rev E 6 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction Each detector converts incident photons into electrons This photocurrent is continually converted to a voltage and is then periodically digitized by a 16 bit analog to digital A D converter This digitized spectral data is then transmitted to the instrument controller for further processing and analysis by the controlling software The 512 channel array permits the entire VNIR spectrum to be scanned in parallel at 1 4 nm wavelength intervals A single sample can be acquired in as little as 17 ms Short Wave Infrared SWIR The Near Infrared NIR also called Short Wave Infrared SWIR portion of the spectrum is acquired with two scanning spectrometers e SWIR1 for the wavelength range of 1000 nm to 1800 nm e SWIR2 for the wavelength range of 1800 nm to 2500 nm The SWIR scanning spectrometers only have one d
58. rption features attributed to lignin and cellulose 6 3 Rocks Soils and Man Made Materials The shape of the spectral signature of rocks and soil tends to be invariant with respect to the viewing geometry unlike vegetation The overall brightness of the observed spectrum does change with illumination and viewing geometry due to changes in the amount of shadow in the field of view of the spectrometer Absorption features in the spectra of rocks and minerals are due to the presence of specific molecular groups and are often diagnostic of the minerals present in the sample 6 4 Suggested Set up 6 4 1 RS3 Application Step 1 Step 2 Step 3 Step 4 Step 5 Note Step 6 Follow the instructions for plugging in the instrument and starting the RS software Attach an appropriate accessory Remember that the AgriSpec spectrometer requires an external artificial light source Open the pull down menu Control gt Adjust Configuration Alt C C in the RS application Set the white reference number of scans to 30 and dark current averages to 60 scans Set the spectrum average or sample count to 30 for indoor or artificial illumination The actual spectrum average will be determined by striking a compromise between noise reduction through averaging the spectra and the time desired for each spectrum collection For instance if you are using the instrument in the field are walking a large area and are making frequent
59. s Signature Title Director of Engineering Date 11 02 2005 For compliance Information ONLY contact European Contact Your local ASD Representative USA Contact Product Regulations Manager ASD Inc 2555 55th Street Suite 100 Boulder Colorado 80301 Phone 303 444 6522 ASD Document 600542 Rev E vii AgriSpec User Manual MSD www asdi com Symbols Definitions A CAUTION Risk of danger This is a personal danger warning Documentation must be consulted in all cases where this symbol is marked Failure to acknowledge these warnings could result in personal injury to the user CAUTION Risk of Electric Shock This is a personal danger warning Documentation must be consulted in all cases where this symbol is marked Failure to acknowledge these warnings could result in personal injury to the user CAUTION Hot Surface This is a personal danger warning Documentation must be consulted in all cases where this symbol is marked Failure to acknowledge these warnings could result in personal injury to the user Recycle Items with this symbol indicate that the item should be recycled and not disposed of as general waste l e D Warnings and cautions are placed throughout this manual for the convenience of the reader However the absence of warnings and cautions do not preclude the use of proper caution and handling Usual precautions are recommended to be taken at all times either written or otherwise to av
60. slightly different portions of the sample This can result in the stepped data Stepping of data is common when the foreoptic has a lens and less common when using the bare optics or sampling devices B 1 13 What can cause more noise in my data from last time Many factors can cause noise in your data from one session to another Noise in a measurement is related to the instrument the signal level and noise in the light source Many times the appearance of noise is actually a decrease in the strength of the signal as opposed to an increase in noise Under normal operating conditions noise visible in a spectrum is always the result of a trade off between the inherent noise in the system and the signal Check how the external fiber optic cable is aligned with the internal cable for changes in signal through put ASD Document 600542 Rev E 53 AgriSpec User Manual AASD www asdi com Appendix B Reference Information Also broken fibers in the fiber optic cable can contribute to noise Perform a fiber optic check to verify An increase in noise can be due to a problem in the instrument such as an electronic component malfunction or a grounding problem This will many times be indicated by a regular pattern to the noise or periodic bursts of noise that are visible over the normal spectra B 1 14 Why does the VNIR drop to zero after a Dark Current collection When the VNIR drops to zero after a Dark Current has been collected
61. spectral readings you will want a shorter average setting than if you are collecting spectra in situ and desire the cleanest spectra possible Optimize the instrument to the Spectralon ASD Document 600542 Rev E 37 AgriSpec User Manual AASD www asdi com Chapter 6 Field Measurements Step 7 Step 8 Spectralon is an example of a reference standard to take a white reference against Labsphere Inc Shaker St PO Box 70 North Sutton NH 03260 0070 PH 603 927 4266 FX 603 927 4694 E mail sales labsphere com Website www labsphere com Spectralon 1s also available from ASD Take a White Reference or baseline reference Observe samples 6 4 2 Indico Application Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Follow the instructions for plugging in the instrument and starting the Indico software Attach an appropriate accessory Remember that the AgriSpec spectrometer requires an external artificial light source Open a new project either by selecting File 2 New Project from the pull down menu Type in a name for this project and press the OK button Select Spectrum gt Sample Count Average from the pull down menu Set the Instrument Sample Count to 30 for indoor or artificial illumination Note The actual spectrum average will be determined by striking a compromise between noise reduction through averaging the spectra and the time desired for each spectrum colle
62. ssover Cable 64 MB min Flash Drive Memory USB Flash Drive Mylar Wavelength Reference Magnifier for Fiber Checker Shipping Trunk Durable air tight wheeled fold down handle and foam filled with cutouts to protect the instrument and many accessories 1 2 Computer Requirements The instrument controller is a computer that manages the AgriSpec spectrometer stores data and processes the results The standard AgriSpec spectrometer includes a laptop computer or the instrument controller The minimum requirements for the instrument controller are 1 2 GHz Pentium or better notebook or PC w monitor 256 MB RAM or more 20 GB of free disk space 1024 x 768 or better graphics resolution 24 bit color or better 32 bit recommended Ethernet port 10 100 Base T Ethernet interface Optional Ethernet wireless WiFi adaptor PCMIA USB or built in that is compatible with the 802 11b standard Optional Serial communications port or USB port for GPS receiver Only if a GPS receiver will be used Optional NMEA compatible GPS receiver 1 3 Software Requirement The instrument controller requires the following software Either RS3 Software from ASD Or Indico Software from ASD Microsoft Windows 95 98 NT 2000 ME XP Operating System ASD Document 600542 Rev E 5 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction e Microsoft Internet Explorer 6 0 or better Users need a basic understanding of the Micr
63. sulting in a weaker signal The fiber optic cables should be stored by placing them loosely within an appropriate compartment of the carrying case or in their own protective case Tips on care for the fiber optic cable e Do not pull or hang the spectrometer by the fiber optic cable e Do not use wires ties or clamps to tightly attach the fiber optic cable to objects because these might pinch or penetrate the protective jacket thereby damage the fibers inside e Avoid whipping the fiber optic cable dropping it or slamming it into objects because this can cause fractures to the glass fibers e Avoid twisting the fiber optic cable because such forces may cause fractures to fibers While the tip of the fiber optic cable is not particularly susceptible to damage a tip cover is recommended to protect against abrasion and exposure to contamination Replacement covers can be made by cutting pieces of eighth inch shrink tubing to about 1 5 lengths and shrinking them onto the fiber cable tip The covers will slide on and off the cable easily 4 2 Fiber Optic Cable Interface All fiber optic cables come with a standard SMA style 905 connector as shown in Figure 4 1 ASD Document 600542 Rev E 22 AgriSpec amp User Manual AASD www asdi com Chapter 4 Fiber Optic Interface Figure 4 1 Connector for the fiberoptic cable In order to achieve the best response from ASD instruments it may be necessary to adjust the fiber optic
64. t In addition the ASD application software will stack up your keystroke entries and execute them later in the order they were received It is important that you wait for the collection to finish before entering the commands to launch another operation Don t rush into new operations or into issuing new commands until you see the results of the current command B 1 22 How long does it take for the AgriSpec spectrometer to warm up The warm up time of the instrument depends on the environment in which it is used Only 15 minutes is needed for reflectance measurements particularly if conserving battery life is desirable B 1 23 Where is my serial number The serial number is a five 5 digit number located on a label on the rear of the AgriSpec spectrometer where the power switch is The label also contains the model number and MAC address for the spectrometer ASD Document 600542 Rev E 57 AgriSpec User Manual AASD www asdi com Appendix B Reference Information A100700 Me 12001 M re A1 00 01 F1 11 11 Figure B 2 Label with serial number The serial number is also accessible in the RS and Indico applications from the splash screen or the Help 2 About menu item B 2 Data Conversion When using the RS3 application ViewSpec can convert spectral data to ASCII text files When using the Indico application converters are available for Grams AI Unscrambler and ASCII Conversion can be d
65. trometer Characteristics of the light source are eliminated when the baseline spectrum is applied to each raw sample spectrum ASD Document 600542 Rev E 9 AgriSpec User Manual AASD www asdi com Chapter 1 Introduction Notes ASD Document 600542 Rev E 10 AgriSpec User Manual Chapter 2 Note Setup Inspect the shipping container and take careful notes regarding any damage that might have occurred during shipping Save all packing materials foam spacers and paperwork for possible future use Figure 2 1 AgriSpec spectrometer in carrying case Prepare a clear space on a sturdy bench or counter ideally a space near a wall current receptacle and the controlling computer Carefully open the shipping container following all instructions and orientation labels on the container 2008 ASD Inc 11 AgriSpec User Manual AASD www asdi com Chapter 2 Setup 2 1 Unpacking the Instrument Step 1 Carefully remove the instrument from its shipping case Note During operation the unit will work correctly regardless of the physical orientation such as sideways in a specially designed Ergonomic Pro Pack Figure 2 2 AgriSpec spectrometer front view showing fiber connection and power output Step2 The computer is located directly below the instrument between the foam inserts Step 3 Under the computer compartment there is a circular cut out Carefully remove the fiber optic cable located b
66. white reference measurement The AgriSpec spectrometer should be re optimized for e Light changes Temperature changes e Whenever accessory probes are changed Note Environmental conditions can change rapidly or slowly It all depends on clouds wind affecting temperature instrument warm up time etc ASD Document 600542 Rev E 42 AgriSpec User Manual Appendix A Troubleshooting A 1 Common Communication Fixes To fix many communication errors particularly if the instrument has been functioning at some point power cycle the instrument and or the instrument controller The sequence to use will vary depending on the computer manufacturer Either e Leave the computer on Turn off the instrument Wait for 10 seconds Turn the instrument back on e Or turn off the computer and the instrument Turn on the instrument Then turn on the instrument controller For the best performance you should ensure a clear line of sight between the spectrometer and instrument controller Obstructions or radio frequency interference in close proximity can cause loss of communication or significantly shorten the communication range The AgriSpec spectrometer uses industry standard components You should see the same general connection speed and distance capabilities as other wireless devices A 2 Does Not Connect to the Spectrometer e Refer to section A 1 Common Communication Fixes e Check that the Ethernet cable is securely
67. with the AgriSpec spectrometer an even closer reflectance value for the sample can be calculated ASD Document 600542 Rev E 39 AgriSpec User Manual AASD www asdi com Chapter 6 Field Measurements Table 6 1 Labsphere s published reflectance data for uncalibrated Spectralon 0 5 SRM 990 Uncalibrated Wavelength nm Spectralon Reflectance 250 0 950 300 0 985 400 0 990 500 0 991 600 0 992 700 0 992 800 0 991 900 0 991 1000 0 993 1100 0 993 1200 0 992 1300 0 992 1400 0 991 1500 0 991 1600 0 991 1700 0 988 1800 0 989 1900 0 981 2000 0 976 2100 0 953 2200 0 973 2300 0 972 2400 0 955 2500 0 950 Reflectance Energy reflected from target energy incident on target ASD Document 600542 Rev E 40 AgriSpec User Manual AASD www asdi com Chapter 6 Field Measurements 6 5 2 Maintaining Spectralon References Spectralon is an optical standard and should be handled in much the same way as other optical standards Although the material is very durable care should be taken to prevent contaminants such as finger oils from contacting the material s surface Always wear clean gloves when handling Spectralon To clean a lightly soiled Spectralon white reference WARNING If the material is lightly soiled it may be air brushed with a jet of clean dry air or nitrogen DO NOT use Freon To clean a heavily soiled Spectralon white reference
68. wrench to hold the 3 8 hex nut in place while you tighten the wing nut When the bundle matcher is removed clean the fiber optic cable and the exposed fiber optic on the spectrometer This can be done by using de ionized water cleaning the end and then gently wiping the excess off Canned air to blow off any dust that may have accumulated can be used ASD Document 600542 Rev E 25 AgriSpec User Manual AASD www asdi com Chapter 4 Fiber Optic Interface 4 4 LED Check for Fiber Optic Cable The AgriSpec spectrometer allows you to perform a visual verification of the internal fiber optic cable using built in LEDs a magnifier placed on the fiber optic bundle matcher and the Fiber Check software WARNING The Fiber Check utility produces rapid flashing lights in the SWIR 1 and 2 region s optical fibers If you are susceptible to epileptic seizures exercise caution or avoid using the Fiber Check utility Step 1 Remove any external fiber optic cable from the spectrometer Step 2 Remove the bundle matcher Remove the bundle matcher Use the 3 8 inch hex nut driver to loosen the bundle matcher if necessary Step3 Remove the Fiber Optic Port using the 9 16 nut driver included with the instrument Figure 4 6 Fiber Optic Port Step 4 Carefully insert the tip of the magnifier until it butts up against the internal fiber optic as shown in Figure 4 7 Note Be careful not to apply any load or torque to the magnifier whic

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AgriSpec® User Manual - Mapping Solutions Ltd.