QSP-2150 QCP-2150 - Ocean Networks Canada
Contents
1. if you need to parse the preamble from the reading BIOSPHERICAL INSTRUMENTS INC 14 User s Manual QSP2150 HyperTerminal lni x File Edit View Call Transfer Help Complete Dark average 000025 Biospherical Instruments Inc Digital Log Engine v 1 1 Model QSP2150 501500 to set number of samples averaged before update 125 set the Calibration Factor for digital output 1 000000 sent unit ID and serial number password protected set dark zero currently dark 000025v to configure the OUTPUTs temperature is disabled line voltage is enabled to set a preamble for the data transmission to toggle quiet mode at startup diagnostic messages 1 0 to set ADC sample rate 125 to send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts X to restart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 328v C I K Q R T T gt p Enter any preamble you want to preceed the data word like LITE 10 chars max Dont forget a comma if desired press enter when done gt gt gt gt gt gt _ Connected 0 45 09 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Print echo 2 Figure 17 The preamble for data this series will be set to Unit 1 Note the trailing comma to help separate this text from the reading in post processing To remove a preamble select P and enter a blank response just press Enter2. 3 1 3 8 Restart Sampling From the menu display the instrument will automatically restart sampling in about 10 seconds However you can restart sampling from the menu immediately by pressing X 3 1 3 9 Other Menu Items S will display engineering information concerning the state of the ADC T will display the current temperature of the printed circuit board BIOSPHERICAL INSTRUMENTS INC 15 User s Manual 3 2 MAINTENANCE When you are finished with your deployment rinse the sensor with fresh water Storing the instrument with residual salt drops will ruin the connectors and corrode and pit the metal surfaces The Teflon sphere may become dirty during normal use Do not attempt to rotate or remove the collector sphere on a QSP or the sensor calibration will be altered Simply clean the diffuser gently using a soft tissue or towel and warm water soap or a solvent such as acetone or alcohol Do not use acids abrasive cleaners or brushes as this will mar the surface of the sphere and void the instrument s calibration Should the sphere become damaged or heavily soiled return the instrument to the factory for service and recalibration The instrument requires no other maintenance except that O rings should be replaced annually when the instrument is calibrated consult factory for details The optical section of the instrument should not be disassembled since this will void the calibration of the instrument If the instrument i
3. Capture Print echo Ee Figure 9 Press to begin a dialog that controls the instrument ID string and serial number The password is Andrew case sensitive no quotation marks BIOSPHERICAL INSTRUMENTS INC 8 User s Manual Press to begin the dialog that controls the instrument ID string and serial number The system will prompt you to Send password and string Type Andrew this is case sensitive and press Enter The system will respond with a prompt to enter the instrument ID string and serial number In this example the instrument is a QSP2150 serial number 50150 Figure 10 QSP2150 HyperTerminal o x File Edit View Call Transfer Help 015 als to set the Calibration Factor for digital output 1 000000 to sent unit ID and serial number password protected to set dark zero currently dark 0000007 to configure the OUTPUTs temperature is enabled line voltage is enabled to set a preamble for the data transmission to toggle quiet mode at startup diagnostic messages 1 1 to set ADC sample rate 125 to send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts X to restart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 307v cGudumo uoxunuoao gt i Send password and string Perfect Send 16 chars Model AND SN QSP2150 50150 Connected 0 16 19 Auto detect 9600 8 N 1 SCROLL CAPS
4. In this example the file will be called QSP2150 ht BIOSPHERICAL INSTRUMENTS INC 3 User s Manual Connection Description 2 xl AP New Connection Enter a name and choose an icon for the connection Name asFpiso Icon Figure 2 Settings for connecting to the 2150 will be saved to a file called QSP2150 ht using the New Connection wizard In this example the sensor will be connected to a PC using COM 1 Figure 3 Do not enter or modify information in the other boxes if available ii Q5P2150 Enter details for the phone number that you want to dial Country region United States 7 Area code I Phone number pus Connect using ow sr COM1 TCP IP Winsock Cancel Figure 3 In this example the sensor will be connected to COM1 IMPORTANT for Port Settings select 9600 Bits per second 8 Data bits None for Parity 1 Stop bit and None for Flow control Figure 4 BIOSPHERICAL INSTRUMENTS INC 4 User s Manual Port Settings Bits per second 90 Data bits e Parity None Stop bits Flow control None m Hardware None Figure 4 Port settings for COM1 At this point if you have a new instrument plugged in you should see something like Figure 5 which shows three floating point numbers per row separated by commas repeating at about 10 lines per second Coming from the factory these numbers are typ
5. NUM Capture Print echo Figure 10 After accepting the password Andrew the system needs an ASCII string for the model and serial number In this case the model is QSP2150 and the serial number is 50150 3 1 3 3 Setting Log Output and Auxilliary Channels The 2150 is capable of producing a measurement that is the log of the light reading Figure 11 This option allows matching the output from a CTD fitted with a log output QSP 200L or QSP 2300 Type N or Y as needed Earlier Figure 5 showed a typical data string from a newly delivered 2150 In each row the first number is the light reading the second is the circuit board temperature and the third is the supply voltage to the sensor The last two numbers are largely useful for trouble shooting problems but may be superfluous for other purposes Type Y or N to include or exclude these numbers in the output data stream Figure 12 If you press N for both auxiliary channels the output will consist of only one number per light reading BIOSPHERICAL INSTRUMENTS INC 9 User s Manual 05 2150 HyperTerminal lel File Edit View Call Transfer Help Dis 25 sole Model QSP2150 501500 to set number of samples averaged before update 125 to set the Calibration Factor for digital output 1 000000 to sent unit ID and serial number password protected to set dark zero currently dark 000000v to configure the OUTPUTs temperature is enabled line voltage i
6. sets the calibration units Volts to restart sampling Sensor temperature 23 11 C Input Supply Voltage measures 5 286v a K o P Q R 8 T U X gt Connected 0 05 28 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Print echo Ui Figure 8 Hitting ESC or will interrupt the data display and show the embedded command menu 3 1 3 2 Unit ID and Serial Number Password Protected Menu item Figure 9 is password protected to preclude accidental changes of the sensor model and the serial number The password is always Andrew and it is case sensitive capital A required QSP2150 HyperTerminal File Edit View Call Transfer Help Dis 2 3 sole QSP2150 50150 set number of samples averaged before update 125 set the Calibration Factor for digital output 1 000000 sent unit ID and serial number password protected set dark zero currently dark 000000v configure the OUTPUTs temperature is enabled line voltage is enabled set a preamble for the data transmission toggle quiet mode at startup no diagnostic messages 1 1 set ADC sample rate 125 send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts to restart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 328v gt Send password and string Andrew_ Connected 0 12 42 Auto detect 9600 8 N 1 SCROLL CAPS NUM
7. 00000 sent unit ID and serial number password protected set dark zero currently dark 000000v to configure the OUTPUTs temperature is disabled line voltage is enabled to set a preamble for the data transmission to toggle quiet mode at startup diagnostic messages 1 0 to set ADC sample rate 125 to send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts X to restart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 307v C I K Q R T T gt Calfactor must be in d dddddd format and yield data to fit 6 digits past decimal point or less Connected 0 42 38 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Print echo 2 Figure 16 Using menu item C the calibration factor supplied by the factory can be entered using the required number format To return the instrument to the factory default volts simply use menu item C and enter a calibration factor of 1 000000 Don t forget to change menu item U to Volts as well 3 1 3 7 Setting a Preamble Message The 2150 has a feature that allows you to add a text message to the start of each line of data called a preamble This is especially useful when storing a time series of measurements or if you have multiple 2150s Press ESC or to interrupt the data stream and press menu item P to set the preamble text Figure 17 Don t forget to add a trailing comma
8. 1 3 4 Quiet mode 11 3 1 3 5 Sampling Rate 11 3 1 3 6 Reporting Calibrated Values 12 3 1 3 7 Setting a Preamble Message 14 3 1 3 8 Restart Sampling 15 3 1 3 9 Other Menu Items 15 3 2 MAINTENANCE deett i dede ORE 16 3 3 LEAKAGE OR FLOODING WHAT TO 16 3 4 CABLE DRAWING eie re SERIES QU E E 17 BIOSPHERICAL INSTRUMENTS INC User s Manual INITIAL INSPECTION AND SHIPPING PROCEDURES This instrument was carefully inspected mechanically and electrically and was calibrated before shipment It should be free of mars or scratches and in perfect operating condition upon receipt To confirm this the instrument should be inspected for physical damage incurred in transit If the instrument was damaged in transit file a claim with the carrier Check the instrument for proper operation as outlined in this manual If there is damage or deficiency see the Warranty in the preface of this manual WARNING Read the sections on installation operation and maintenance before attempting to operate or disassemble the instrument Retain original packing material for shipment to the factory The instrument must be carefully wrapped and cushioned with appropriate packing material before it is shipped PRECAUTIONS PROTECT THE UNDERWATER CABLE AND CONNECTOR The sensor s underwater connector is the most vulnerable part of the system Protect all connector contacts from
9. ECTOR 1 9 cm 3 4 diameter solid Teflon sphere optically connected to the main housing by a 2 5 cm 1 aluminum or stainless steel encased quartz light pipe O ring seal to main housing QSP DIRECTIONAL RESPONSE Each instrument s directional response is optimized before final calibration The response is a constant 7 between 0 to approximately 135 in zenith angle with response falling off to zero as the light field is obscured by the instrument housing Individual detector response plots are available upon request QCP COSINE IRRADIANCE COLLECTOR 1 15cm 45 diameter solid acrylic collector that is o ring sealed QCP DIRECTIONAL RESPONSE Each instrument s directional response is optimized before final calibration From zenith angles of 0 to 85 the instrument s directional response follows the cosine law to 6 PHOTODETECTORS Blue enhanced high stability silicon photovoltaic detector with dielectric and absorbing glass filters assembly SPECTRAL RESPONSE Equal better than 10 quantum response from 400 nm to 700 nm with response sharply attenuated above 700 nm and below 400 nm Spectral response induced errors will cause less than 596 errors in naturally occurring light fields CALIBRATION Calibrated using a National Institute of Standards and Technology NIST traceable 1000 watt type FEL Standard of Spectral BIOSPHERICAL INSTRUMENTS INC 1 User s Manual Irradiance Calibration factors are immbeded within the
10. ID AN SI Backscroll buffer lines 500 E Play sound when connecting or disconnecting Terminal Setup Input Translation ASCII Setup Figure 6 Connection Properties Settings tab Set you port to match these And finally press the ASCII Setup button on the lower right side of the Settings tab Figure 7 The important checkbox here is to Echo typed characters locally Say OK to accept the settings And OK again to leave the properties dialog box BIOSPHERICAL INSTRUMENTS INC 6 User s Manual ASCII Sending Send line ends with line feeds Echo typed characters locally Line delay milliseconds Character delay milliseconds ASCII Receiving Append line feeds to incoming line ends Force incoming data to 7 bit ASCII Wrap lines that exceed terminal width Cancel Figure 7 The final step is Echo typed characters locally 3 1 3 2150 EMBEDDED MENU 3 1 3 1 Menus and Defaults When the 2150 is delivered several features are set to factory defaults Table 1 The two most noteworthy are that the output is set to Volts and that the instrument is set for Quiet Mode Setup like this just plug the instrument in to the correct serial port start HyperTerminal and it just starts talking Table 1 Menu entries and factory default settings typical for a 2150 delivery A to set number of samples averaged before update 12 C to set the Calibration Factor fo
11. QSP 2150 and QCP 2150 Submersible PAR Sensors with ASCII Output User s Manual Biospherical Instruments Inc 5340 Riley Street San Diego CA 92110 2621 USA Phone 619 686 1888 Fax 619 686 1887 E mail support biospherical com www biospherical com Version QSP QCP2150 Manual DOC Date Printed 3 13 2007 User s Manual NOTICE The information contained in this document is subject to change without notice BIOSPHERICAL INSTRUMENTS MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Biospherical Instruments shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material This document contains proprietary information that is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated into another language without the prior written consent of Biospherical Instruments Inc Copyright 2007 by Biospherical Instruments Inc First Edition March 2007 BIOSPHERICAL INSTRUMENTS INC User s Manual LIMITED WARRANTY BIOSPHERICAL INSTRUMENTS INC warrants this product to be in good working order for a period of one 1 year parts and ninety 90 days labor from the date of purchase Should this Product fail to be in good working order at any ti
12. SCROLL CAPS NUM Capture Print echo Figure 12 Lastly you can turn on or off the instrument internal maintenance channels temperature and supply voltage Type Y or N as desired The software will echo your choice before moving on BIOSPHERICAL INSTRUMENTS INC 10 User s Manual 3 1 3 4 Quiet mode For instance Quiet mode Q turns off the menu dialog when power is applied If you want to see the menu on startup you can disable Quiet mode by pressing the Q Figure 13 Why would you want Quiet mode If you are acquiring data to a data logger and you do not want the startup menu dialog then turn on Quiet mode and the system will start up sending data alone QSP2150 HyperTerminal ial xl File Edit View Call Transfer Help 01 215 Quiet mode cancelled There will be diagnostic messages at startup Biospherical Instruments Inc Digital Log Engine v 1 1 Model QSP2150 501500 to set number of samples averaged before update 125 to set the Calibration Factor for digital output 1 000000 to sent unit ID and serial number password protected to set dark zero currently dark 000000v to configure the OUTPUTS temperature is disabled line voltage is enabled to set a preamble for the data transmission to toggle quiet mode at startup diagnostic messages 1 0 to set ADC sample rate 125 to send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts X to res
13. T IN GOOD WORKING ORDER AS WARRANTED ABOVE YOUR SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS PROVIDED ABOVE IN NO EVENT WILL BIOSPHERICAL INSTRUMENTS INC BE LIABLE TO YOU FOR ANY DAMAGES INCLUDING ANY LOST PROFITS LOST SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE SUCH PRODUCT EVEN IF BIOSPHERICAL INSTRUMENTS INC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES NOR WILL BIOSPHERICAL INSTRUMENTS INC BE LIABLE FOR ANY CLAIM BY ANY OTHER PARTY SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS THAT MAY VARY FROM STATE TO STATE BIOSPHERICAL INSTRUMENTS INC iii User s Manual TABLE OF CONTENTS INITIAL INSPECTION AND SHIPPING PROCEDURES esee ee eren eene neto tne V PRECAUTIONS V l1 INTRODUCTION 1 2 SPECIFICATIONS 1 3 OPERATION AND MAINTENANCE 3 3 1 OPERATING THE 2150 APPLIES TO QSP AND 3 3 1 1 Connecting to the 2150 using HyperTerminal 3 3 12 Finish Port Setup 6 3 1 3 2150 Embedded Menu 7 3 1 3 1 Menus and Defaults 7 3 1 3 2 Unit ID and Serial Number Password Protected 8 3 1 3 3 Setting Log Output and Auxilliary Channels 9 3
14. ically 1 sensor reading in volts 2 circuit board temperature and 3 supply voltage Figure 5 QSP2150 HyperTerminal ioj xl File Edit View Call Transfer Help Dias 18 sol is 860739 000024 000024 000027 000024 000029 000022 000025 000025 000024 000025 984673 483869 086799 690758 22 10 5 286 2 016794 23 11 5 307 2 117784 186296 133671 1 119941 2 195984 1 831559 006660 22 10 5 286 22 10 5 286 22 10 5 286 22 10 5 307 22 10 5 307 22 10 5 286 22 10 5 286 Connected 0 13 48 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Print echo Figure 5 A new uncustomized instrument will typically just start talking when HyperTerminal port settings are correct BIOSPHERICAL INSTRUMENTS INC User s Manual 3 1 2 FINISH PORT SETUP At this point the sensor can talk to the serial port but HyperTerminal is not yet configured to allow the computer to talk to the sensor To finish the configuration of the port use the mouse to navigate to File Properties and select the Settings tab Figure 6 QSP2150 Properties 21 xl ConnectTo Settings Function arrow and ctrl keys act as Terminal keys Windows keys Backspace key sends Del Space Ctri H Emulation auto detect x Telnet terminal
15. me during the above stated warranty period Biospherical Instruments Inc will at its option repair or replace this Product at no additional charge except as set forth below Repair parts and replacement Products will be furnished on an exchange basis and will be either reconditioned or new All replacement parts and Products become the property of Biospherical Instruments Inc This limited warranty does not include service to repair damage to the Product resulting from accident disaster misuse abuse or non Biospherical Instruments Inc modification of the product Limited warranty service may be obtained by delivering the Product during the warranty period to Biospherical Instruments Inc at its San Diego California Service Center showing proof of purchase If this Product is delivered by mail you agree to insure the Product or assume risk of loss or damage in transit to prepay shipping charges to the San Diego California Service Center to use the original shipping container or equivalent and to pay for return shipping charges ALL EXPRESS AND IMPLIED WARRANTIES FOR THIS PRODUCT INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE ABOVE WARRANTY PERIOD AND NO WARRANTIES WHETHER EXPRESSED OR IMPLIED WILL APPLY AFTER THIS PERIOD SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS IF SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU IF THIS PRODUCT IS NO
16. moisture during use and while in storage Do not step on the cable or strike it while it is plugged into the instrument PROTECT THE INTEGRATED CIRCUITS A person walking across a carpet on a dry day can generate a static charge of more than 10 000 Volts The resulting discharge can destroy an integrated circuit Use standard anti static equipment any time the instrument is opened up and the components are removed AVOID SHADOWS AND REFLECTIONS During deployments or installations be careful to keep the instrument away from reflections and shadows caused by surrounding structures An underwater instrument package should be positioned for lowering on the side of the ship toward the sun If the instrument is lowered into the shadow created by the ship this shadow will contaminate measurements for depths up to 100 meters When positioning a ship and deploying an underwater sensor wind direction is also a factor since the wind or wind driven currents can push the ship over the sensor when it is being lowered thereby causing shadowing A surface sensor should be mounted so that it will not be shaded by or experience reflections from surrounding structures CARRY SPARE CABLE AND POWER SUPPLIES For extended operations it is strongly recommended that the user maintain spare cables PROTECT THE SCALAR COLLECTOR The Teflon ball and mount are critical optical components They have been aligned at the factory before calibration It is possible to re
17. move the ball but this voids the calibration The stainless steel mount contains a quartz light pipe and is FRAGILE If you suspect damage or if the ball has been removed contact the factory BIOSPHERICAL INSTRUMENTS INC V User s Manual 1 INTRODUCTION Biospherical Instruments QSP 2150 Quantum Scalar Profiler and QCP 2150 Quantum Cosine Profiler measure PAR irradiance Photosynthetically Active Radiation 400 to 700 nm in water to a depth of 2000 m The only difference between the two model types is the irradiance collector geometry a QSP has a scalar spherical collector that responds equally to light from almost any direction a QCP has a collector that responds to light as a function of the cosine of the angle of incidence Both models output digital data as an ASCII data stream and may be operated from a serial terminal Power is supplied by the host serial communications port or appropriate USB to serial converter When connecting the sensor to a USB port use of a High Speed USB to Serial adapter is required This manual details operation of these two sensorsusing the Windows terminal emulator HyperTerminal It is important that this instruction manual be read carefully since there are several precautions that should be taken to ensure the inherent accuracy of the instrument These precautions include avoiding shading the instrument during deployment and avoiding temperature extremes 2 SPECIFICATIONS QSP IRRADIANCE COLL
18. of the variablility in the dark value the factory default 2150 is delivered reporting volts without subtracting a dark offset However the sensor can be set to report light units directly To do this first make a note of the dark offset voltage Carefully cover the sensor completely aluminum foil works very well for this Now interrupt the data using ESC or and change the dark offset value using menu item K Figure 15 Following the prompt press Enter and the sensor will automatically record 20 seconds of dark data and set the offset for the average value If you want to reset the dark value to zero push the number 0 instead of Enter BIOSPHERICAL INSTRUMENTS INC 12 User s Manual QSP2150 HyperTerminal lni x File Edit View Call Transfer Help Dis 2135 cls Biospherical Instruments Inc Digital Log Engine v 1 1 Model QSP2150 501500 to set number of samples averaged before update 125 to set the Calibration Factor for digital output 1 000000 to sent unit ID and serial number password protected set dark zero currently dark 000000v configure the OUTPUTs temperature is disabled line voltage is enabled set a preamble for the data transmission to toggle quiet mode at startup no diagnostic messages 1 0 to set ADC sample rate 125 to send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts X to restart sampling Sensor temperature 23 53 C Input Suppl
19. r digital output 1 000000 to send unit ID and serial number password protected to set dark zero currently dark 000000v O to configure the OUTPUTS temperature is enabled line voltage is enabled P to set a preamble for the data transmission Q to toggle quiet mode at startup no diagnostic messages 1 1 to set ADC sample rate 125 S to send ADC diagnostic information T will give the latest temperature reading U sets the calibration units Volts X to restart sampling While the instrument is talking to display the embedded menus simply type an escape character ESC or a question mark and the menu will appear Figure 8 To change a setting simply press the letter corresponding to the menu entry BIOSPHERICAL INSTRUMENTS INC 7 User s Manual QSP2150 HyperTerminal lel xl File Edit View Call Transfer Help Dis 2 8 xla Biospherical Instruments Inc Digital Log Engine v 1 1 Model QSP2150 50510 to set number of samples averaged before update 125 to set the Calibration Factor for digital output 1 000000 to sent unit ID and serial number password protected to set dark zero currently dark 000000v to configure the OUTPUTs temperature is enabled line voltage is enabled to set a preamble for the data transmission to toggle quiet mode at startup diagnostic messages 1 1 set ADC sample rate 125 send ADC diagnostic information will give the latest temperature reading
20. raged before update 125 to set the Calibration Factor for digital output 1 000000 to sent unit ID and serial number password protected to set dark zero currently dark 000000v to configure the OUTPUTs temperature is disabled line voltage is enabled to set a preamble for the data transmission to toggle quiet mode at startup diagnostic messages 1 1 to set ADC sample rate 125 to send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts X to restart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 307v K Q R 5 T U gt a If you set this to 125 averaged and use R command to set ADC rate to 125 samples per second then you will get data at roughly ihz Enter readings to average before update 1 65535 Connected 0 34 01 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Print echo Figure 14 Use menu item A to select the number of readings used to calculate a reported average sample 3 1 3 6 Reporting Calibrated Values All 2150s from Biospherical are calibrated prior to leaving the factory This information includes a calibration scale factor that relates the voltage from the sensor to the measurement units and a dark zero offset value as measured in our darkroom during the calibration The relationship is Reading units Reading volts Dark volts Scale volts per units Because
21. s actively used then an annual calibration is suggested Contact the factory for details 3 3 LEAKAGE OR FLOODING WHAT TO DO The instrument has been engineered to be waterproof to a depth of 2000 meters In the event the instrument leaks carefully re package all components and immediately return them to our factory Note Any disassembly of the optical components will change the calibration of the instrument BIOSPHERICAL INSTRUMENTS INC 16 User s Manual 3 4 CABLE DRAWING WFHHOH ENIUIM UOIS3NNDOO Mn THUS 0909 wee am mona Egi eoe sS ueunj su panagdsog LOS OG FHEIM MAO JEP SATS HAOD OL 3904 AHY 29 RAHATINA 5031 3574 MELE 3tREERUS ETH DOTeBR HD HOI JHL DL 195 WO TUSA LIT JHL GL HOU 3 0H 27309 wo Tele Aga 0 BL HJ HM XH GMI E ANNOYS 5 KL ISHI z d 4J400MVIS WOLLE d IHH 1431 JS5w JAL OMA T kt GL MOLLGIMHEX nM ESI i 33 T3 GL MOS Over pic DX MeL 35 m E ES a Milla a HOHA 4 1 dn 3892 HIH A3 HOLOS asos PAA TUA 3UOKIDLUHd Nid 17 BIOSPHERICAL INSTRUMENTS INC
22. s enabled to set a preamble for the data transmission to toggle quiet mode at startup diagnostic messages 1 1 to set ADC sample rate 125 to send ADC diagnostic information will give the latest temperature reading sets the calibration units Volts to restart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 307v a K o P Q R S T U X 20 Do you want LOG analog output Y N Connected 0 26 02 Auto detect 9600 8 N 1 SCROLL CAPS Capture Print echo Z Figure 11 The 2150 is capable of outputting the log of the reading This option allows matching the output from a CTD fitted with a log output QSP 200L or QSP 2300 Type N or Y as needed QSP2150 HyperTerminal File Edit View Call Transfer Help Dis 2 3 sole set dark zero currently dark 000000v K to configure the OUTPUTS temperature is disabled line voltage is enabled P to set a preamble for the data transmission Q to toggle quiet mode at startup diagnostic messages 1 1 to set ADC sample rate 125 S to send ADC diagnostic information T will give the latest temperature reading U sets the calibration units Volts to restart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 307v 20 Do you want LOG analog output Y N nN Do you want Temperature output Y N nN Do you want line voltage output Y N Connected 0 28 11 Auto detect 9600 8 N 1
23. sensor housing as non volatile memory Annual recalibration is recommended ENVIRONMENTAL O ring sealed and uses a high quality oceanographic type connector The housing and sensor should be rinsed in fresh water after use DEPTH QSP Aluminum housing Not to exceed 2000 two thousand meters Plastic housing Not to exceed 100 one hundred meters QCP Aluminum housing Limited by the depth rating of the underwater connector Standard connectors are 6800 m high pressure connectors are rated for full ocean depths Plastic housing Not to exceed 100 one hundred meters TEMPERATURE 2to 35 C The 2150 has a small temperature coefficient of sensitivity typically less than 0 15 C and small zero or dark signal temperature coefficient For this reason the instrument should not be left out in the hot sun If the instrument does become overheated allow it to sit in the surface water for a few minutes to come into temperature equilibrium before you begin your profile POWER REQUIREMENTS Requires 6 12VDC In many cases but not all the power requirements can be met by a PC serial port The QSP reports the supply voltage to assist in maintaining proper power to the sensor CABLE The underwater cable must be purchased separately and is supplied with the appropriate connectors BIOSPHERICAL INSTRUMENTS INC 2 User s Manual 3 OPERATION AND MAINTENANCE 3 1 OPERATING THE 2150 APPLIES TO QSP AND QCP Note Before leaving for
24. tart sampling Sensor temperature 23 53 C Input Supply Voltage measures 5 307v K P Q R T U gt Connected 0 41 25 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Print echo Figure 13 Quiet mode is a toggle Press Q to change from on to off or back again note message at top of window 3 1 3 5 Sampling Rate The final rate that data are taken is a function of the rate that the analog to digital converter ADC is running menu item R and the number of samples averaged into a reported measurement menu item A The factory default for the ADC is 125 Hz If the number of samples used in an average measurement is 12 factory default then the reported data rate will be about 10 Hz which is the time constant of the optical sensors If the number of samples contributing to the average is set to 125 Figure 14 then the reported data rate will be about 1 Hz There is no correct combination but some settings will result in less noisy data than others The factory recommends you leave the ADC rate at 125 and adjust the number of samples used in the average to achieve the data volume you want for the current sampling conditions BIOSPHERICAL INSTRUMENTS INC 11 User s Manual QSP2150 HyperTerminal E lal x File Edit View Call Transfer Help ole 58 000025 5 286 Biospherical Instruments Inc Digital Log Engine v 1 1 Model QSP2150 501500 to set number of samples ave
25. the field it is best to fully bench test the sensor with your host computer If the system does not operate properly consult the factory for assistance The 2150 is very simple to use You need only plug it into a working and properly configured serial port No batteries required Communications with the sensor require no special application except a serial terminal emulator such as HyperTerminal and all operations are performed through a simple menu system embedded in the sensor The following sections show the initial steps for setting up the sensor When you deploy the instrument make sure that it is lowered so that the sensor does not pass through the ship s shadow CAUTION Exercise caution when deploying the instrument in very strong currents Also the boat operator or Captain must be notified when lowering any instrument where it may become caught in the ship s propeller 3 1 1 CONNECTING TO THE 2150 USING HYPERTERMINAL Many Windows based systems launch HyperTerminal from Start Programs Accessories Communications Hyperterminal Figure 1 File Edit View Call Transfer Help Ole e sole Disconnected auto detect Auto detect SCROLL CAPS NUM Capture Print echo Figure 1 The HyperTerminal interface window When you first launch HyperTerminal a Wizard will run that helps set up the serial connection to a port Figure 2 These settings can be saved in an ht file that can be referenced later
26. y Voltage measures 5 286v Q R T U gt k Dark correction sequence Make sure the sensor is dark then press Enter Enter 0 to set to 0 20 second dark average Keep Dark Wait for completion message Connected 0 44 12 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Print echo 2 Figure 15 Pressing menu item will automatically record 20 seconds of data and use the average as the dark voltage offset If you press 0 instead of Enter any existing value will be reset to zero Next set the calibration factor the scale using menu item C Figure 16 The entry must be in the format d dddddd where the d is a numerical digit We know that the measurement does not have 6 decimal places of accuracy However limitations in the compiler for the software force 6 places of precision The same limitation precludes reporting data in quanta Lastly it is a good idea to change the calibration label to reflect the actual units that are reported Pressing menu item U allows you to just type in the label e g uE m2 s for microEinsteins per meter squared per second BIOSPHERICAL INSTRUMENTS INC 13 User s Manual QSP2150 HyperTerminal lni x File Edit View Call Transfer Help pel 21381 08 gt Biospherical Instruments Inc Digital Log Engine v 1 1 Model QSP2150 501500 to set number of samples averaged before update 125 set the Calibration Factor for digital output 1 0
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