REF 90015 See MAX COMM™ Software package for installation CD
Contents
1. may need to be calibrated The owner of this product has sole responsibility for any malfunction resulting from abuse improper use or maintenance or repair by anyone other than Standard Imaging Inc The information in this manual is subject to change without notice No part of this manual may be copied or reproduced in any form or by any means without prior written consent of Standard Imaging Inc 19 Warranty p Standard Imaging Inc sells this product under the warranty herein set forth The warranty is extended only to the buyer purchasing the product directly from Standard Imaging Inc or as a new product from an authorized dealer or distributor of Standard Imaging Inc For a period provided in the table below from the date of original delivery to the purchaser or a distributor this Standard Imaging Inc product provided in the table is warranted against functional defects in design materials and workmanship provided it is properly operated under conditions of normal use and that repairs and replacements are made in accordance herewith The foregoing warranty shall not apply to normal wear and tear or if the product has been altered disassembled or repaired other than by Standard Imag ing Inc or if the product has been subject to abuse misuse negligence or accident Product Warranty Period Standard Imaging lonization Chambers 2 years Standard Imaging Well Chambers 2 ye2. 60601 1 2 IEC 60731 ous Authorized representative for the EU is AMA Ltd St Felix House Flitcham King s Lynn Norfolk United Kingdom PE31 6BU Competent Authority for the EU is the Medical Products Agency Sweden Notified Body for the EU is Semko Sweden 1 Externally Certified Designed to Meet Shock Classifications Class External Power Supply Class II Electrometer Internally Powered Electrometer Unit See www standardimaging com for applicable tech notes Specifications are subject to change without notice 15 Notes Notes Notes Service Policy If service including recalibration is required please contact Standard Imaging s Customer Service department by phone or email prior to shipping the product Standard Imaging s Customer Service and Technical Service staff will attempt to address the product is sue via phone or email If unable to address the issue a return material authorization RMA number will be issued With the RMA number the product can be returned to Standard Imaging It is the responsibility of the customer to properly package insure and ship the product with the RMA number clearly identified on the outside of the pack age The customer must immediately file a claim with their carrier for any shipping damage or lost shipments Return shipping and insurance is to be pre paid or billed to the customer and the customer may request a specific shipper
3. distribution or use of this product to by or on the order of a licensed medical practitioner The use of this product should be restricted to the supervision of a qualified medical physicist Measurement of high activity radioactive sources is potentially hazardous and should be performed by qualified personnel WARNING Proper use of this device depends on careful reading of all instructions and labels ZI WARNING Where applicable Standard Imaging products are designed to be used with the versions of common radiation delivery devices treatment planning systems and other products or systems used in the delivery of ionizing radiation available at the time the Standard Imaging product is released Standard Imaging does not assume responsibility liability and or warrant against problems with the use reliability safety or effectiveness that arise due to the evolution updates or changes to these products or systems in the future It is the responsibility ofthe customer or user to determine if the Standard Imaging product can be properly used with these products or systems Should repair or replacement of this product become necessary after the warranty period the customer should seek advice from Standard Imaging Inc prior to such repair or replacement If this product is in need of repair it should not be used until all repairs have been made and the product is functioning properly and ready for use After repair the product
4. the ioniza tion chamber 13 If using the power supply and if desired disconnect the power supply from the MAX 4000 and disconnect the detach able AC power cord from the power supply Front Panel 3 4 56 Power Standby LED When lit the MAX 4000 is powered on Power button Turns the unit on off Battery Charging LED When lit the battery charger is energized and charg ing the internal battery Input connection A standard two lug BNC triax connector for signal input This connector features low leakage current properties The signal current is carried on the central lead the guard carries the high voltage and the outer most ring is ground AN 0 450 VDC 350 pA max To protect the input connector always replace the chain cap when the MAX 4000 is not in use MODE ZERO button Press to tog gle through the modes in the fol lowing order Range Bias Thresh old Levels Rate Charge and Rate Charge Press and hold for 2 seconds to select the zero adjust ment procedure and perform system zero START RESET button Press to start and stop timed charge collections in the Charge or Rate Charge mode or to re set the display following a collection Arrow buttons Press to toggle the Range selection voltages in the Bias Mode or to select the time period in crements for taking a charge reading Rear Panel External reset switch In the unlikely ev
5. 5 C Relative Humidity 20 to 80 non condensing Pressure 650 to 770 mmHg Storage Parameters Temperature 15 to 50 C Relative Humidity 10 to 95 non condensing Pressure 600 to 800 mmHg Display Backlit LCD 2 x 20 with 5 16 in high characters See www standardimaging com for applicable tech notes Specifications are subject to change without notice 14 Features and Specifications Continued i Bias Voltage Nominal 450 volt bias Five user settings 450 300 150 0 150 300 450 VDC Zero via button push Display indicates zeroing in progress RS 232 Default Uni directional 19 200 baud 8 data bits no parity 1 stop bit Bi directional operation via 1 Standard Imaging MAX COMM Software included 2 Argus QC4 Software 3 User provided request Tech Note Doc No 4426 Dimensions Width 22 2 cm 8 24 in Height 7 cm 2 75 in Length 23 cm 9 in wae O a Battery 6V 1300 mAh sealed lead acid Power Requirements 100 240 VAC 0 5 A max 50 60 Hz input to external power supply 9 VDC 1 7 A power supply output to electrometer input Globtek Inc power supply model GTM21089 1509 T3 or TRUMPower power supply model FRM015 S09 4 The use of any other power supply and using alternates other than the UL CSA recognized power cord can degrade minimum safety The proper replacements from Standard Imaging Inc are required for compliance with the requirements of IEC 60601 1 Product Standards IEC 60601 1 IEC
6. A WWW STANDARDIMAGING S COM MAX4000ELECTROMETER REF 90015 AN See MAX COMM Software package for installation CD ROM STANDARD IMAGING INC 3120 Deming Way Middleton WI 53562 1461 TEL 800 261 4446 TEL 608 831 0025 FAX 608 831 2202 Wa Jun 2011 2011 Standard Imaging Inc STANDA AD IMAG ING 4 DOC 80206 22 General Precautions gt PRP bb gt bb WARNING Proper use of this device depends on careful reading of all instructions and labels WARNING An electrical shock hazard of up to 450 VDC is possible whenever the bias voltage is active Always set the bias to 0 VDC whenever a device is connected to or disconnected from the MAX 4000 WARNING Electric shock hazard Refer servicing to a qualified individual WARNING The MAX 4000 is not intended to be used in flammable mixture atmospheres Do not use with flammable anesthetic mixture with air with oxygen or nitrous oxide WARNING Where applicable Standard Imaging products are designed to be used with the versions of common radiation delivery devices treatment planning systems and other products or systems used in the delivery of ionizing radiation available at the time the Standard Imaging product is released Standard Imaging does not assume responsibility liability and or warrant against problems with the use reliability safety or effectiveness that arise due to the evolution updates or changes to these
7. Items found to be out of warranty are subject to a minimum service fee of 1 hour labor excluding recalibrations for diagnostic efforts and require a purchase order PO before service is performed With concurrence from customer the product may be replaced if it is unserviceable or if the required service is cost prohibitive Products incurring service charges may be held for payment Standard Imaging does not provide loaner products See the Standard Imaging Warranty and Customer Responsibility for additional information Serialization Information Standard Imaging products that are serial ized contain coded logic in the serial number which indicates the product day and year of manufacture and a sequential unit number for identification AYY DDD X A Unique product ID YY Last two digits of the year e g 1999 99 2000 00 DDD Day ofthe year 1 lt DDD lt 365 X Unique unit ID Number 1 lt X lt 9 Customer Responsibility This product and its components will perform properly and reliably only when operated and maintained in accordance with the instructions contained in this manual and accompanying labels A defective device should not be used Parts which may be broken or missing or are clearly worn distorted or contaminated should be replaced immediately with genuine replacement parts manufactured by or made available from Standard Imaging Inc CAUTION Federal law in the U S A and Canadian law restrict the sale
8. T TERY and the status of the collection The collection process will not be interrupted The MAX 4000 will also operate with the char ger plugged into a wall outlet Re charging the battery takes 6 8 hours The MAX 4000 may be continually charged when nat in use with no detrimental effects to the internal battery The MAX 4000 will shut off automatically if it is not plugged into the wall charger and is left unattended for more than 3 hours Threshold Mode False Triggering Using threshold start and stop values close to that of the system noise may cause erratic behavior and false triggering when perform ing threshold collections Zero the system see page 7 and or increase the threshold values to levels above the system noise see page 6 The MAX 4000 will not power ON after a long period of inactivity non use To ensure long term performance of the internal battery it is recommended to fully recharge the MAX 4000 electrometer at least every 4 months If you require further assistance please contact Standard Imaging s Service Department at 800 261 4446 or 608 831 0025 for international calls A list of frequently asked questions FAQs can be found on our website www standardimaging com 13 Features and Specifications p Rate Mode Display Ranges LOW 0 001 pA 1000 0 pA HIGH 0 001 nA 500 0 nA Charge Mode Display Ranges LOW 0 01 pC 999 999 nC HIGH 0 01 nC 999 999 nC Rated Effect
9. This is the system zero adjustment Using the MAX 4000 Charging the internal battery 1 When the battery capacity is 15 or less RECHARGE BATTERY appears on the display Plug the 2 1 mm plug of the charger into the electrometer and the other end into mains power 2 Whenever external power is sup plied the small amber light adjacent to the MODE ZERO button on the front panel is lit This activates the charging circuit and the Battery percent display in the Bias Mode will indicate CHRG 3 The MAX 4000 will also operate with the charger plugged into a wall outlet regardless of the battery capacity Re charging the battery takes 6 8 hours The MAX 4000 may be con tinually charged with no detrimental effects to the internal battery 4 To ensure long term performance of the internal battery it is recom mended to fully recharge the MAX 4000 Electrometer monthly Automatic shutdown To maximize battery life the MAX 4000 will shut off automatically if it is not plugged into the wall charger and is left unattended for more than 3 hours Rate Mode NOTE Depending on the type of mea surements performed leakage currents within the ionization chamber can be a significant portion of the measured data The electrometer zero can be adjusted to compensate for leakage currents of the ionization chamber by pressing and hold ing the MODE ZERO button for 2 seconds after the chamber has been connected and the s
10. arm up Select the desired Range of Operation Low or High with the arrow buttons followed by the MODE ZERO button NOTE For best performance select the lowest range possible for the intended measurement 4 Press the Start button to perform the electrometer zero adjustment This will take about one minute Connect the ionization chamber to the MAX 4000 and select the desired volt age bias Allow at least 10 minutes for the system to stabilize Verify the leakage of the ionization chamber is within the manufacturer s stated acceptable limits Press and hold the MODE ZERO but ton and repeat the zeroing process in Step 3 but with the ionization chamber connected This is the system zero adjustment Check the system leakage Take a reading without exposing the chamber to radiation This reading should be less than 0 1 of the final signal ex pected Measure the atmospheric temperature and pressure General Operation Continued E 10 Turn on or insert the radiation source s and take at least 3 measurements Fur ther explanation of the Range Trigger Rate Charge and Rate Charge modes can be found on pages 5 8 11 Analyze the data taking into account the average of the readings system leakage temperature pressure correc tions calibration factors and any other appropriate corrections to be made 12 When all measurements are completed set bias voltage to 0 VDC turn off the MAX 4000 and disconnect
11. ars Standard Imaging Stand alone Electrometers 5 years Standard Imaging BeamChecker Products 2 years Standard Imaging Software Products 1 year All Other Standard Imaging Products 1 year Standard Imaging Custom Products 1 year Standard Imaging Remanufactured Products 180 days Standard Imaging Custom Select Products 90 days Consumables 90 days Serviced Product 90 days Resale Products As defined by the Original Equipment Manufacturer 0 90 days 100 of ADCL Calibration Costs 91 182 days 75 of ADCL Calibration Costs ADCL Product Calibration 183 365 days 50 of ADCL Calibration Costs 366 639 days 25 of ADCL Calibration Costs days from date of shipment to customer Standard Imaging s sole and exclusive obligation and the purchaser s sole and exclusive remedy under the above warranties are at Standard Imaging s option limited to repairing replacing free of charge or revising labeling and manual content on a product 1 which con tains a defect covered by the above warranties 2 which are reported to Standard Imaging Inc not later than seven 7 days after the expiration date of the warranty period in the table 3 which are returned to Standard Imaging Inc promptly after discovery of the defect and 4 which are found to be defective upon examination by Standard Imaging Inc Transportation related charges including but not limited to shipping customs tariffs taxes and brokerage fees to Standa
12. ent that the device stops responding use a small diameter rod to lightly press the internal button and reset the device RS 232 serial port A standard 9 pin serial port for remote observation or data recording This port is for con nection to equipment where no risk of external voltage exists 2 1 mm Battery Charger Input Con nect the battery charger to this input jack when charging the internal battery Note If the MAX 4000 is being used in a patient environment do not plug in the charger Connect to mains power through an isolation transformer only Setting up the MAX 4000 u Before using the MAX 4000 to take measurements perform the following steps to ensure accurate readings The MAX 4000 features an automatic zero function and a convenient way to check battery status and bias level Auto Warm Up and Zero Adjustment 1 Turn on the MAX 4000 The display will count down a 10 00 minute warm up The warm up may be bypassed by pressing the MODE ZERO button If you choose to bypass the warm up be aware that repeatability and leakage specifications may not be achieved until 10 minutes has elapsed Selectthe desired Range of Operation Low or High with the arrow buttons followed by the MODE ZERO button Press the Start button to perform the zero adjustment This process will take 60 seconds The display will read ZEROING COM PLETE The MAX 4000 now defaults to the Bias Mode NOTE Each Range of Opera
13. han air Use a compressed gas source that may have moisture or oil in the source or lines Use your mouth to blow on the con nector Disassemble the connector Touch the internal parts of the connec tor with your finger If this procedure does not resolve the drift or leakage issues contact the Customer Service Administrator to coordinate the return the product to Standard Imaging for further service Can t Get Out of Charge Mode or Rate Charge Mode Upon completion of a charge collection in the Charge mode or Rate Charge mode the START RESET button must first be pressed to reset the display before other buttons will function No Response If the system does not respond to any of the buttons use the external reset switch See page 5 for details Avoiding Electromagnetic or Other Interference If the MAX 4000 causes interference with other equipment attempt to correct the interference by Increasing the separation between equipment Connecting the power supply cord into a different grounded AC outlet or into a circuit controlled by a different circuit breaker 12 Troubleshooting Continued u Low Battery The MAX 4000 contains 1 rechargeable sealed lead acid battery with a life of about 6 8 hours When the battery is at 15 of capacity RECHARGE BATTERY will ap pear on the display If the battery becomes low during a charge collection the screen will alternate between RECHARGE BA
14. harge accumu lated will remain until the unit is reset Record the reading and press the START RE SET button to clear the reading and reset to the chosen collection time Repeat steps 4 7 for other charge readings NOTE Charge measure ment s greater than 999 999 nC will produce an OVER LOAD message Continuous Mode 4 Use arrow buttons to select CON 5 Press START RESET button to start charge collection The MAX 4000 will continue to collect charge until stopped by pressing the START RESET button 6 Irradiate the ionization chamber 7 Record the reading after irradiation period 8 Press START RESET to stop collection and reset reading 9 Repeat steps 4 8 for other charge readings NOTE The charge collection is erased when stopped so record value before stopping electrometer 10 11 Trigger Mode Use arrow buttons to select TRG DET Press START RESET button to start detec tion Meter will display TRG RDY Irradiate the ionization chamber When the threshold start level is exceeded the MAX 4000 will begin to collecting charge and the display will change to TRG TRG The MAX 4000 will con tinue to collect charge until the measured cur rent is below the thresh old stop level When stopped the display will change to TRG RDY Record charge value Repeat steps 6 10 for other charge readings Press START RESET button to exit threshold c
15. harge collections The display will change to TRG DET MAX COMM Software MAXCOMM Software The MAX 4000 electrometer is compatible with Standard Imaging MAX COMM soft ware MAX COMM expands the functional ity of a MAX series electrometer by adding chamber libraries temperature pressure correction factors and more The program MAX 4000 shipment with an enclosed CD ROM The MAX COMM user manual is available electronically in PDF format on the program CD ROM and includes detailed instructions for installation setup and use with this electrometer installation package is included with your Maintenance u ZZ ee nd EE gt S As is standard practice for other electrometers it is recommended that the MAX 4000 be calibrated every 2 years This calibration should be performed by an Accredited Dosimetry Calibration Laboratory Exterior cleaning of the device can be done with a soft brush and a cloth Gently brush all surfaces to remove dirt and dust Remove any remaining dirt with a cloth slightly dampened with a solution of mild detergent and water or a liquid disinfecting agent Do not use water or liquid on triax jack Do not permit any liquid to seep into the MAX 4000 in any manner during cleaning as there is no protection from the harmful ingress of water It is not recommended to clean the window of the LCD with anything other than a mild detergent and a very soft cloth Failure to use a soft cloth may res
16. ive Range on Input 0 400 pA 500 0 nA 25 of minimum effective scale Currents Per IEC 60731 for reading Reference Grade Range Switching User selectable Display Resolution LOW Rate mode Charge mode 0 001 pA 0 01 pC HIGH Rate mode Charge mode 0 001 nA 0 01 nC Stabilization Time 0 1 of value at 1 hour for measurements taken at 15 minutes and 6 hours Non linearity 0 25 Rate mode 0 25 of minimum effective scale reading LOW HIGH lt 0 001 pA lt 0 001 nA Rate mode 0 25 of minimum effective scale reading LOW HIGH lt 0 001 pA lt 0 001 nA Charge Leakage Current LOW HIGH lt 0 001 pA lt 0 001 nA Response Time High range lt 2 seconds Low range lt 12 seconds Main Software Functions Range Selection Bias Selection Battery Level Rate Display Bias Level Charge Display Bias Level Rate Display Charge Display Charge Collection Modes Timed Mode Selectable timer from 15 to 600 seconds in 15 second increments Continuous Mode Manual Start Stop Press START RESET to begin collection and START RESET to end Trigger Mode current exceeding pre selected trigger values starts and stops collection Countup Countdown Resolution 1 second count up for Continuous Mode count down for Timed Mode Trigger Levels for Charge Collection Start value must be larger than stop value Start 0 02 9 99 pA Stop 0 01 9 98 pA Operating Parameters Temperature 15 to 3
17. ons does not resolve leakage issues a dirty connector could be the cause Over the years Standard Imaging has had product reports of drift or leakage involving its ion chambers well chambers and elec trometers During the investigation and or servicing of these products it became ap parent a significant portion of these reports were caused by dirty triax connectors The cause is typically dust that has collected on the inside connector To minimize these reports and unnecessary service Standard Imaging is providing a triax connector cleaning procedure This triax connector cleaning procedure should be periodically completed or whenever there are concerns of drift or leakage Heavier product use may require more frequent cleanings Prior to cleaning a triax connector ensure The ion chamber or well chamber is disconnected from the electrometer There is no water or moisture visible in the triax connector To clean a dirty triax connector Remove the connector cap if ap plicable Use only a dry and oil free compressed air source such as Chemtronics Ultra Jet Gently blow dirt and contaminants from the inside of the connector moving the air source in a circular manner a few inches from the connector After cleaning a dirty triax connector Use the connector cap when not in use if applicable Do not Use sharp objects to attempt to clean a dirty triax connector Use a compressed gas other t
18. products or systems in the future It is the responsibility of the customer or user to determine if the Standard Imaging product can be properly used with these products or systems CAUTION Input voltage on triax connector should be no greater than 5 V or 5 V CAUTION Only connect the RS 232 serial port to equipment where no risk of external voltage exists CAUTION This device should never be submerged in water or a solvent to clean or scrubbed with an abrasive cleaner Do not drop or mishandle unit Calibration factor changes may result CAUTION Do not disassemble unit since it may result in change of calibration factor Refer servicing to qualified individuals Warnings and Cautions alert users to dangerous conditions that can occur if instructions in the manual are not obeyed Warnings are conditions that can cause injury to the operator while Cautions can cause damage to the equipment gt gt PrP gt gt gt gt CAUTION Damaged or kinked ionization chamber cables or extension cables should not be used CAUTION Upon power on allow for proper warm up CAUTION Charge measurements made in modes other than those used by the calibration agency may result in measurement errors which exceed the calibration uncertainty CAUTION When connecting or disconnecting an ionization chamber to the MAX 4000 set the bias voltage to 0 VDC CAUTION This revision of the user manual refers onl
19. rd Imaging are the buyer s responsibility This warranty extends to every part of the product except consumables fuses batteries or glass breakage Standard Imaging Inc shall not be otherwise liable for any damages including but not limited to incidental damages consequential damages or special damages Repaired or replaced products are warranted for the balance of the original warranty period or at least 90 days This warranty is in lieu of all other warranties express or implied whether statutory or otherwise including any implied warranty of fitness for a particular purpose In no event shall Standard Im aging Inc be liable for any incidental or consequential damages resulting from the use misuse or abuse of the product or caused by any defect failure or malfunction of the product whether a Claim of such damages is based upon the warranty contract negligence or otherwise This warranty represents the current standard warranty of Standard Imaging Inc Please refer to the labeling or instruction manual of your Standard Imaging Inc product or the Standard Imaging Inc web page for any warranty conditions unique to the product 20 K
20. ring the current crossing predetermined limit thresholds The start and stop thresholds are set independently with the default settings of start 0 8 pA and stop 0 5 pA Threshold limits cannot be set to 0 0 When making measurements in the presence of larger leakage currents it may be necessary to raise the threshold limits Conversely since the start threshold de termines the minimum dose rate it may be necessary to lower the thresholds for other measurements 1 The threshold start and stop levels are displayed in pA and are adjust able from 0 01 9 99 pA 2 Use the START RESET button to select the digit to adjust 3 Use the arrow buttons to adjust the selected digit from 0 to 9 4 Both values must be larger than zero and the start value must be larger than the stop value 5 Use the MODE ZERO button to se lect mode of operation You may use the MODE ZERO button to return to the Threshold Levels mode at any time 6 If invalid numbers are entered the invalid entry will be displayed after pressing the MODE ZERO button 1 System Zeroing Connect the onization chamber to the MAX 4000 and select the desired voltage bias Allow at least 10 min utes for the system to stabilize Verify the leakage of the onization chamber is within the manufacturer s stated acceptable limits Press and hold the MODE ZERO button for 2 seconds to repeat the zeroing process but with the ion ization chamber connected
21. tion must be zeroed upon initial use To perform subse quent zero adjustments press and hold the MODE ZERO button for two seconds Range Selection Mode tl The measuring range of the MAX 4000 is displayed as High or Low The actual numeric range is also shown to indicate the proper units of measurement for each range NOTE For best performance select the lowest range possible for the intended measurement 2 Use the arrow buttons to select the de sired range of operation Range change is immediate 3 Use the MODE ZERO button to select mode of operation You may use the MODE ZERO button to return to the range selection mode at any time Bias Mode 1 The charge level of the internal bat tery is displayed in percent When the battery capacity drops below 15 the display will read RECHARGE BAT TERY 2 Use the arrow buttons to select the bias level from the following options 450 VDC 300 VDC 150 VDC 0 VDC 150 VDC 300 VDC 450 VDC 3 Press the MODE ZERO button to select a mode of operation You may return to the Bias Mode at any time to change the bias voltage CAUTION When connecting or discon necting an ionization chamber to the MAX 4000 set the bias voltage to 0 VDC Setting up the MAX 4000 Continued u Trigger Mode Threshold Levels The MAX 4000 Electrometer has a trig ger mode which allows it to automatically detect the start and stop of a radiation ex posure by measu
22. ult in a scratched window and this may impair the visibility of the LCD No sterilization of the MAX 4000 is required Qualified individuals may replace the Lead Acid battery An illustrated instruction booklet is available and is distributed with the replacement battery from Standard Imaging See the Parts and Accessories List below There are no other user serviceable parts in the MAX 4000 If assistance is desired in the proper disposal of this product including accessories and components after its useful life please return to Standard Imaging 10 Description of Symbols The following symbols are found on the MAX 4000 Dangerous Voltage Power On Off Switch Present Inside Enclosure Attention Consult Signal Input Battery Charge Level Accompanying Documents Reset Power On Parts and Accessories List REF Description 90015 MAX 4000 Electrometer 80206 MAX 4000 User Manual 72731 MAX 4000 Power Supply Battery Charger 20194 25 ft Serial Cable 20193 100 ft Serial Cable 72730 Optional International Power Cord Set 73006 Lead Acid Battery Replacement Kit including power supply 75501 MAX COMM Software 4426 Technical Note Command Set for Bi directional RS 232 operation 11 Troubleshooting Questionable Readings If readings are off determine if there is any leakage from the MAX 4000 or ionization chamber Follow steps 1 8 under General Operation If going through the General Operation in structi
23. y to MAX 4000 units with a serial number starting with the letter F MAX 4000 units with a serial number starting with the letter E should refer to user manuals with a revision number lower than 19 See cover 80206 19 CAUTION For best performance select the lowest range possible for the intended measurement CAUTION Use provided power supply or equivalent as identified by Standard Imaging Contact Standard Imaging for additional information CAUTION To ensure long term performance of the internal battery it is recommended to fully recharge the Max 4000 Electrometer monthly Table of Contents General Precautions General Operation Front Panel Rear Panel Setting up the MAX 4000 Using the MAX 4000 MAX COMM Software Maintenance Description of Symbols Parts and Accessories List Troubleshooting Features and Specifications Service Policy Customer Responsibility Warranty General Operation Wa STANDARDIMAGING 3 3120 DEMING WAY MIDDLETON WI 53562 1461 USA WWW STANDARDIMAGING COM Unless operating on battery power connect the detachable AC power cord to the provided Globtek Inc power supply attach the AC power cord to a grounded 120 VAC or 220 240 VAC 50 60 Hz power outlet and connect the power supply to the MAX 4000 Electrometer power adapter input With nothing connected to the input connector of the MAX 4000 turn the power on and wait at least 10 minutes for the electrometer to w
24. ystem has warmed up This will place the electrometer into the zeroing mode and a system zero can begin This is applicable for the both the Rate and Charge modes Refer to page 6 for more information on system zeroing 1 Use the Range mode to select the range of operation 2 Use the Bias Mode to set the bias voltage 3 Use the MODE ZERO button to select the Rate Mode 4 Irradiate the ion chamber with a radioactive source 5 The MAX 4000 will begin to measure the current For signals 2 nA and below allow about 12 seconds for the signal to stabilize For signals above 2 nA wait about 3 seconds for stabilization 6 The Rate measurement will be dis played NOTE Rate measurements over 500 00 nA High range or 1000 0 pA Low range will produce an OVERLOAD message Using the MAX 4000 Continued Charge Mode amp Rate Charge Mode 1 2 3 Use the Range mode to select the range of operation Use the Bias Mode to set the bias voltage Use the MODE ZERO button to select the Charge Mode or Rate Charge Mode Select a Charge Collection Mode Proceed to desired step 4 Timed Mode Use the arrow buttons to select the collection time Time periods from 0 600 seconds are available in 15 second increments Irradiate the onization chamber Press the START RE SET button The MAX 4000 will count down from the time set and display the charge ac cumulated When the countdown is complete the c
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