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H25-IR

Operation

Instruction 3015-5286

41

5.1.7 Auto Gain

IMPORTANT! The instrument must be sampling fresh air (zero gas) when the Auto Gain function is selected.

Selecting the Auto Gain function automatically sets the IR Detector’s voltage to its baseline 0 ppm level by
controlling the instrument’s digital potentiometer (DIGIPOT) circuit.

5.2 Factory Menu

The Factory menu is used to set up or troubleshoot the instrument. This menu appears only when activated by
factory personnel or service technicians who know the correct activation procedure.

When activated, display the Factory menu by first pressing

both

the

ENT

and

ESC

buttons on either the

instrument’s front panel or Smart probe at the same time to display the Main menu. Next, use the

Up

and

Down

buttons to highlight “FACTORY” and then press

ENT

to display the Factory menu.

Main Menu:

SYSTEM

LOG
SETUPS
CAL

DATA

DIAGNOSTICS
FACTORY

5.2.1 DIGIPOT

IMPORTANT! The instrument must be sampling fresh air (zero gas) when adjusting the DIGIPOT value.

The DIGIPOT function allows

manual

and a more precise adjustment of the digital potentiometer, which

controls the voltage of the IR Detector. Use the

Up

and

Down

buttons to adjust DIGIPOT value until the IR

VOLT reading is 4.200 ±0.0500 volts. Press

ENT

to save the new DIGIPOT value.

5.2.2 Leak Rate

The Leak Rate value is set to match the leak rate of the internal leak source as indicated on the tag attached to
the leak source. Use the

Left

and

Right

buttons to move the blinking cursor across the screen to highlight the

digit to be modified, and then use the

Up

and

Down

buttons to modify that digit. Press

ENT

to save the new

Leak Rate value.

LEAK RATE

2

5.5 g/yr

DIGIPOT=197
IR VOLT=4.2000

Factory Menu:

DIGIPOT
LEAK

RATE

LEAK

GAS

LEAK

TEMP

LEAK

TEMPCO

SENSOR

CAL

MODEL

SELECT

PROBE

TYPE

FIRMWARE

DIGIPOT=197
IR VOLT=4.2000

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Содержание H25-IR

Страница 1: ...H25 IR Infrared Refrigerant Gas Leak Detector Instruction 3015 5286 Operation Maintenance Rev 4 December 2010 Product Leadership Training Service Reliability ...

Страница 2: ...ACCEPTED IN LIEU OF I ANY AND ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND II ANY OBLIGATION LIABILITY RIGHT CLAIM OR REMEDY IN CONTRACT OR TORT WHETHER OR NOT ARISING FROM BACHARACH S NEGLIGENCE ACTUAL OR IMPLIED The remedies of the Buyer shall be limited to those provided herein to the excl...

Страница 3: ...be Keylock Function 9 1 8 Menu System 10 2 Preparing for Operation 11 2 1 Connecting the Probe 11 2 2 Connecting the AC Power Cord 11 2 3 Turning ON the Instrument 12 2 4 System Setup 12 2 4 1 Gas Type 13 2 4 2 Leak Units 13 2 4 3 Relays 13 2 4 4 4 20 mA Loop 14 2 4 5 Brightness 14 2 4 6 Clock 14 2 4 7 PCHK Mode 14 2 4 8 Serial Output 15 2 4 9 Probe Button 15 2 4 10 Reset Defaults 15 2 5 Configuri...

Страница 4: ...eric Pressure CHecK 35 4 5 RS 232 Communication 35 4 6 Serial Output Types 36 5 Maintenance 38 5 1 Diagnostics Menu 38 5 1 1 Sensor Data 38 5 1 2 Last Fault 39 5 1 3 IR Emitter 40 5 1 4 Pressure 40 5 1 5 Loop Test 40 5 1 6 Clear Last Fault 40 5 1 7 Auto Gain 41 5 2 Factory Menu 41 5 2 1 DIGIPOT 41 5 2 2 Leak Rate 41 5 2 3 Leak Gas 42 5 2 4 Leak Temp 42 5 2 5 Leak TEMPCO 42 5 2 6 Sensor Cal 42 5 2 ...

Страница 5: ...tion 3015 5286 iii 5 4 5 5 Factory Calibration 52 5 5 Replacement Parts 53 Replacement Parts 53 Item Description 53 Part Number 53 5 6 Service Centers 54 6 Troubleshooting 55 7 Specifications 61 APPENDIX A Factory Defaults 63 ...

Страница 6: ...Contents H25 IR iv Instruction 3015 5286 Notes ...

Страница 7: ...ed to could result in injury or death of personnel using this instrument 1 2 2 Caution Statements The use of the word CAUTION in this manual denotes a potential hazard associated with the use of this equipment It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in damage to the instrument 1 2 3 Hazard Symbols This symbol indi...

Страница 8: ...g or maintenance work 1 2 7 Misuse and Modifications to Instrument The operation of the H25 IR may be impaired if the instrument is used in a manner not specified in this instruction manual Changes or modifications to the instrument not expressly approved by Bacharach will void the warranty 1 2 8 In Case of Malfunction Do not continue to use this equipment if there are any symptoms of malfunction ...

Страница 9: ...nts a Standard Probe with LED Button and a 6 foot hose you would order an H25IR 1 1 1 4 Unpacking and Initial Checks Your H25 IR Refrigerant Gas Leak Detector and all accessories were carefully inspected at the factory before shipment and packed to be highly resistant to damage while in transport When you receive the instrument please unpack it promptly and make a visual inspection to make sure th...

Страница 10: ...ion on other types of gases User selectable leak rate measurement in either Oz yr g yr mL s PaM3 s or ppm Easy to read Vacuum Fluorescent Display VFD Excellent background gas rejection 4 20 mA current loop output Relay outputs for external equipment control On screen menu system for system setup diagnostics calibration and data logging Assortment of probe and hose assemblies available in either 6 ...

Страница 11: ...yr g yr mL s and PaM 3 s The Measure mode can also be used to display the quantity of gas contained in a confined space with the instrument set up in its ppm mode The leak rate is measured by first capturing all the gas leaking from the component under test Then by accurately measuring the flow rate of the sampling stream and the gas concentration within that stream the leak rate can be calculated...

Страница 12: ...nd Measure RANGE Selects one of three sensitivity ranges small medium or large leak ZERO Zeros the gas reading LOG Logs the currently displayed gas measurement in memory when in the Measure mode where it can later be reviewed using the Main menu s LOG function MENU Press both the ENT and ESC buttons at the same time to display the Main menu CAL Calibration Starts the calibration process where the ...

Страница 13: ...H25 IR Introduction Instruction 3015 5286 7 1 7 2 Rear View 1 7 3 Interior CONNECTOR for battery cable on dual power only ...

Страница 14: ...l increases or lights steady when a user selected leak rate is detected PROGRAMMABLE PUSHBUTTON Can be programmed to either zero the instrument or switch between the Search and Measure mode of operation HOSE 6 or 12 foot 1 8 or 3 7 m FLEXIBLE PROBE TUBE 8 inches 203 mm PROBE CONNECTOR Align with red dot on instrument s front panel PROBE receptacle PROBE TIP with FILTER ...

Страница 15: ...H25 IR Introduction Instruction 3015 5286 9 1 7 6 Smart Probe Keylock Function The Smart Probe s keypad can be locked to prevent accidental key presses when working in tight spaces ...

Страница 16: ...NAME Text name given to the SETUP selection SETUP NO 1 RANGE Sensitivity of instrument small medium large SETUP NO 2 GAS TYPE Gas being monitored SETUP NO 3 FEEDBACK MODE Gas level feedback continuous setpoint H25C SETUP NO 4 SETPOINT Gas value for the Feedback Mode Search Auto SEARCH AUTO ZERO Sets condition when auto zero is turned OFF Calibration Data Menu CAL TYPE Internal or external leak sou...

Страница 17: ...r model number to obtain this information Disregard any information that does not apply to your model The H25 IR is supplied with a 6 foot grounded AC power cord Make sure that an AC power receptacle socket compatible with this plug is available nearby The instrument uses a universal AC power supply that accepts inputs of 100 to 240 VAC 50 60 Hz Power consumption is approximately 15 Watts Before c...

Страница 18: ...p the screen with increasing gas levels Note that the sensitivity of the bar graph is dependent on the Range setting 2 4 System Setup When shipped from the factory the H25 IR has been configured according to its part number as described in Appendix A To change any of the instrument s system parameters first enter System Setup by pressing both the ENT and ESC buttons on either the instrument s fron...

Страница 19: ...gize under any one of 11 different operating conditions The contacts of these relays can be connected to an external device that will activate when the designated operating condition is met Refer to Section 2 6 External Relay Connections Use the Up and Down buttons to highlight the relay to be programmed Press ENT to make the selection and display that relay s assignment screen Use the Up and Down...

Страница 20: ...ESS function changes the brightness level of the instrument s front panel display Use the Up Down Left or Right button to change the brightness to any one of four levels Press ENT to save the selected brightness level 2 4 6 Clock The CLOCK function sets the instrument s date MM DD YY and time 24 hour format where 1 00 PM is displayed as 13 00 The clock allows measured values to be logged with a da...

Страница 21: ...operation requires a three key press Simultaneously press the ENTER ESCAPE VOL buttons to reset defaults 2 5 Configuring the SETUPS Function There are four user defined Setups that allow the operator to quickly switch between frequently used combinations of Gas Type Range Feedback Mode Setpoint and the Auto Zero Off condition Program the four Setup configurations as follows First enter the Setups ...

Страница 22: ... detected gas level Use the Up and Down buttons to highlight the desired sensitivity Press ENT to save the selection NOTE The range setting has no affect on the accuracy of the gas reading as displayed on the instrument when making a leak rate measurement 2 5 3 Gas Type The GAS TYPE function sets the type of gas being monitored Use the Up and Down buttons to highlight the desired gas Press ENT to ...

Страница 23: ...uttons to modify that digit Press ENT to save the new setpoint 2 5 6 Search Auto Zero The SEARCH AUTO ZERO function allows the operator to select one of the following conditions when the auto zero function is disabled while in the Search mode NOTE This function works in conjunction with the setpoint value as entered in Section 2 5 5 Setpoint ALWAYS ON The background gas level is always zeroed If t...

Страница 24: ... at 250 VAC inductive and 5 A at 250 VAC resistive External alarm devices e g horns bells strobe lights etc can be connected to these relays and activated when their associated relay is energized Refer to Section 2 4 3 Relays Locate the external relay connector on the rear of the unit refer to Section 1 7 2 Rear View Secure the leads from the external device and its power source to the external re...

Страница 25: ...ill cause a Loop Open Error to occur refer to Section 4 3 Responding to Fault Secure the wire leads from the external monitoring device to the connector as shown in the diagram below making sure that the polarity at this connector matches the wiring at the monitoring device 4 20 mA Current Loop Connector CAUTION Never apply power to the 4 20 mA Current Loop Connector from an external power supply ...

Страница 26: ...Preparing for Operation H25 IR 20 Instruction 3015 5286 Notes ...

Страница 27: ...e is removed from the menu system The only option for this model of instrument is to calibrate using an external leak source 3 1 Selecting Internal or External Calibration Use the Main Menu CAL DATA CAL TYPE function to select either Internal or External calibration If External calibration is selected then also use the EXT RATE and EXT GAS TYPE functions to enter the characteristics of the externa...

Страница 28: ...use the Up and Down buttons to modify that digit Press ENT to save the new external leak rate value and return to the Calibration Data menu IMPORTANT Be sure to enter the leak rate using the same units of measure as displayed on the EXT RATE screen In this example the units of measure are g yr If your leak source is marked in Oz yr then multiply that value by a factor of 28 35 For example If the l...

Страница 29: ...rm the procedure in Section 3 1 Selecting Internal or External Calibration and set the Cal Type to Internal 4 Insert the probe tip into the CAL Port within 10 seconds after pressing the CAL button Be sure that the probe tip makes contact with the spring switch At this time the calibration process should automatically start The top number of the Calibration screen shows the target value leak source...

Страница 30: ...ess the ESC key to perform the procedure in Section 3 1 Selecting Internal or External Calibration and set the Cal Type to External 4 Insert probe tip into the Calibration Port of the external leak source 5 The top number of the Calibration screen shows the target value leak source rate while the bottom number shows the current measured value Keep the probe tip inserted in the Calibration Port for...

Страница 31: ... accuracy will not be better than that of the external leak source used for calibration Procedure 1 Turn ON the instrument and allow it to warm up for 30 minutes before proceeding 2 Program the instrument for the Gas Type contained in the external leak source refer to Section 2 4 1 Gas Type 3 Verify that the current CAL Factor is set to 1 000 by selecting the Main Menu CAL DATA CAL FACTOR function...

Страница 32: ...ement mode refer to Section 4 2 8 Measuring the PPM Level insert the probe tip into the gas sample bag and allow the instrument to sample until the ppm reading on the display is stable At this time record the ppm reading The new CAL Factor is computed by dividing the known gas concentration value by the measured value Typically this number will be between 0 95 and 1 05 Enter the new CAL Factor as ...

Страница 33: ...nd used to validate all subsequent internal calibrations performed by the user An internal calibration failure will occur when the calibration data collected during an internal calibration cycle performed by the user deviates from the factory calibration data This can occur when the internal particulate filter needs to be replaced or if a probe is changed When the internal filter or probe is repla...

Страница 34: ...Calibration H25 IR 28 Instruction 3015 5286 Notes ...

Страница 35: ...12 4 2 2 Initial Setup At this time the H25 IR should already be set up as described in Section 2 Preparing for Operation After warming up the instrument s Data Display screen will show the current Gas Measurement Leak Units Gas Type Setup Name Range and Mode of Operation In addition a graphical display of the relative gas level is provided by a bar graph at the bottom of the screen whose length i...

Страница 36: ...a or other fluorine based refrigerant leaks of 1 2 Oz yr The LG range is used to locate very large leaks TIP Blowing out the test area with shop air may enable the operator to locate a large leak more quickly 4 2 4 Setup Selection There are four user defined Setups that allow the operator to quickly switch between frequently used combinations of Gas Type Range Feedback Mode Setpoint and the Auto Z...

Страница 37: ...zero or block out background contamination This greatly reduces and or eliminates false positives while retaining the sensitivity to quickly locate small to large leaks TIP The auto zero function can be turned OFF or configured to automatically turn OFF at a user defined leak rate Refer to Section 2 5 6 Search Auto Zero 2 Begin leak testing by moving the probe tip slowly toward the area being test...

Страница 38: ...its to ppm as described in Section 2 4 2 Leak Unit 2 Press the MODE button to display MERS at the bottom of the Data Display screen or MEASR on the Smart probe 3 Allow the instrument to sample fresh air The gas reading must be 00 0 before proceeding Press the ZERO button to zero the gas reading while sampling fresh air 4 Place the probe in the area to be measured In the example below 38 0 ppm of R...

Страница 39: ...essing both the ENT and ESC buttons on either the instrument s front panel or Smart probe at the same time to display the Main menu Next use the Up and Down buttons to highlight LOG and then press ENT to display the Log menu Main Menu SYSTEM LOG SETUPS CAL DATA DIAGNOSTICS 4 2 10 1 Viewing Logged Measurements Display the Log menu as described in Section 4 2 10 Next use the Up and Down buttons to h...

Страница 40: ...ay is auto ranging causing the decimal point to turn off above the value 99 9 In the example below the total of all logged measurements is 78 5 Oz yr 4 2 10 4 Setting the Log Limit The ability to set a log limit is useful when using the H 25IR to log the leak rate of a system that has a maximum permissible total leak rate A relay can be programmed to energize when the total of all logged measureme...

Страница 41: ...d OFF 4 4 PCHK Atmospheric Pressure CHecK The instrument maintains its accuracy under varying atmospheric conditions by performing an atmospheric pressure check once every hour or immediately after calibration refer to Section 2 4 7 PCHK Mode When a PCHK is performed the unit beeps once the pump stops a valve opens exposing the pressure sensor to the atmosphere and PCHK appears at the bottom right...

Страница 42: ...p in PSI and cc is a two byte checksum Text Only When TEXT ONLY is selected a 10 character ASCII string is output approximately 10 times per second The string is formatted as follows XX X p pp CR LF XX X is the leak rate as displayed on the front panel and p pp is the internal pressure drop in PSI CR and LF stand for carriage return and line feed This option is convenient for capture to file using...

Страница 43: ...H25 IR Operation Instruction 3015 5286 37 Notes ...

Страница 44: ... be asked to provide this information to help in the troubleshooting process To display the Sensor Data screen first display the Diagnostics menu as described in Section 5 1 Next use the Up and Down buttons to highlight SENSOR DATA and then press ENT Sensor Data Screen Information LR Measured Leak Rate FAULT Current Numerical Fault Code refer to Section 5 1 2 Last Fault OPEN CLOSED Measure Search ...

Страница 45: ... calibration failure has occurred Repeat internal calibration procedure per Section 3 2 External CAL Error 0040 An external calibra tion failure has occurred Repeat external calibra tion procedure per Section 3 3 Digipot Range Error 0200 The digital potentiometer circuit is out of its normal operating range Call Bacharach Service with this information for further instructions Leak Pressure Fault 0...

Страница 46: ...valve Pressing the Down button toggles the pump ON and OFF Pressing the Left button opens and closes the measure search flow rate valve An asterisk on the display indicates that the valve is in its measure position 5 1 5 Loop Test The Loop Test screen allows the operator to force the instrument s 4 20 mA loop output to 0 4 10 or 20 mA This function is useful for checking the calibration of externa...

Страница 47: ...lay the Factory menu Main Menu SYSTEM LOG SETUPS CAL DATA DIAGNOSTICS FACTORY 5 2 1 DIGIPOT IMPORTANT The instrument must be sampling fresh air zero gas when adjusting the DIGIPOT value The DIGIPOT function allows manual and a more precise adjustment of the digital potentiometer which controls the voltage of the IR Detector Use the Up and Down buttons to adjust DIGIPOT value until the IR VOLT read...

Страница 48: ...s set to match the temperature coefficient of the internal leak source as indicated on the tag attached to the leak source Use the Left and Right buttons to move the blinking cursor across the screen to highlight the digit to be modified and then use the Up and Down buttons to modify that digit Press ENT to save the new Leak Temperature Coefficient value TIP To convert a temperature coefficient fr...

Страница 49: ...rnal leak source is running out of gas the enclosure s temperature sensor must match the temperature of the leak source as computed using the pressure temperature curve for the gas contained in the leak source and the measured pressure of the leak source Before making this adjustment all enclosure lids must be in place and the instrument must be allowed to warm up for at least 30 minutes Next adju...

Страница 50: ...calibrations are erased The operator must have access to the Factory menu in order to set up the following parameters before placing the instrument back into operation DIGIPOT Leak rate of internal leak source Leak gas of internal leak source Leak temperature of internal leak source Leak temperature coefficient of internal leak source Pressure sensor calibration Flow rate sensor calibration Box te...

Страница 51: ...nowledgeable in creating folders copying files and navigating the file system using Windows Explorer If necessary refer to the Windows help files for information on performing these operations 5 Create a folder on the computer s hard drive named C RFU Rabbit Field Utility 6 Copy the flash utility software and the latest firmware image file xxx bin where xxx is the name and version number of the fi...

Страница 52: ...e 12 Click the browse button in the Choose Flash Image dialog box navigate to the C RFU folder and then highlight the bin file of the new firmware s flash image file In this example the file H25IR 1_20 bin will be loaded Click Open 13 Click OK to begin the flashing process 14 A progress dialog box will appear during the flashing process and will disappear when the flashing process is complete 15 W...

Страница 53: ...ted to replacing filters O rings and fuses It is recommended that all other parts be replaced by an authorized Bacharach Service Center refer to Service Centers on page 54 5 4 1 Removing the Top Cover When servicing the parts inside the instrument the instrument s top cover is removed as follows Items Required Medium Phillips head screwdriver Procedure 1 Remove both the front and rear bezels by fi...

Страница 54: ...5 4 3 Probe Tip Filter O Ring Replacement A filter located in the probe tip is the instrument s first line of defense against dust dirt and moisture from entering the instrument s internal plumbing and IR detector Replace this filter as it becomes dirty A clogged filter is identified by a Search Flow Fault Measure Flow Fault or a No Flow fault occurring Refer to Section 4 3 Responding to Fault Per...

Страница 55: ...bing attached to the filter s inlet and outlet ports 3 Install the tubing removed in Step 2 onto the new filter 4 Reassemble the instrument 5 4 5 Optical Bench Replacement These instructions describe how to replace the IR Optical Bench in the H25 IR Infrared Gas Leak Detector It is assumed that the user is familiar with the operation and menu system of the H25 IR Items Required Replacement IR opti...

Страница 56: ... the illustration below 4 Remove protective caps from the gas inlet and outlet fittings of the new IR bench 5 Connect the 12 conductor ribbon cable from IR SOURCE connector J5 on main board to IR bench emitter connector front of instrument 6 Connect the 10 conductor ribbon cable from DET connector J6 on main board to IR bench detector connector rear of instrument 7 Using the two supplied cable tie...

Страница 57: ...ser s version of part as seen in the items required section containing the part numbers 5 4 5 4 DIGIPOT Adjustment 1 Press ESC twice to return to the Main menu From the Main menu select FACTORY DIGIPOT to display the DIGIPOT screen IMPORTANT When performing the following Step the instrument must be sampling fresh air zero gas when adjusting the DIGIPOT value 2 Use the Up and Down buttons to adjust...

Страница 58: ...simultaneously to access the Main menu From the Main menu select FACTORY SENSOR CAL FLOW RATE to display the Flow Rate and Pressure screen INT This line shows the flow rate in moles minute for both the Search and Measure modes after performing a calibration using the internal leak source along with showing the manifold s pressure drop FAC This line shows the flow rate and pressure drop values that...

Страница 59: ...Probe 6 ft 1 8 m 0019 7132 12 ft 3 7 m 0019 7114 Flexible Probe Tube Assembly Stainless Steel Full Assembly 8 in 203 mm 3015 5136 Filters Located in Probe Tip 50 3015 5135 Probe Tip 3015 5099 Flexible Probe Tube Assembly Plastic Full Assembly 3015 4666 Filters Located in probe tip 10 3015 4515 Filters Located in Probe Tip 50 3015 4516 Probe Tip 3015 4629 O Ring Probe Tube 0005 5108 Bezel Case 3015...

Страница 60: ...of the following Bacharach Service Centers United States Bacharach Inc 621 Hunt Valley Circle New Kensington PA 15068 Phone 724 334 5051 Fax 724 334 5723 Email help mybacharach com Canada Bacharach of Canada Inc 20 Amber Street Unit 7 Markham Ontario L3R 9W7 Canada Phone 905 470 8985 Fax 905 470 8963 Email bachcan idirect com ...

Страница 61: ...AULT CODE TROUBLE SHOOTER 0002 BENCH TEMP ERROR Bench temp sensor greater than 55degC or less than 5degC YES NO Move to cooler or warmer environment to correct Replace detector ribbon cable And retest Is detector ribbon cable disconnected on either end Reconnect cable and hot glue in place YES NO Connect detector end of a new bench with existing cable Is temperature Normal Bad detector PCB Replace...

Страница 62: ...pressure Manifold pressure Fault cleared NO Bad Pressure transducer Replace motherboard Bacharach Inc CONFIDENTIAL for internal use only H25 IR FAULT CODE TROUBLE SHOOTER 0010 LOOP OPEN Shorting jumper on Current loop connector Is missing or loop resistance 500ohms YES NO Reconnect Jumper or reduce Loop resistance Retest with shorting jumper in place of loop Shorting jumper is Connected A D defect...

Страница 63: ... Parameters in cal menu and store New factory cal YES Break or restriction in Internal plumbing NO Replace pump and store New Factory calibration YES Bad or weak pump NO Bacharach Inc CONFIDENTIAL for internal use only H25 IR FAULT CODE TROUBLE SHOOTER 0040 EXTERNAL CAL ERROR Indicates leak rate too low during External calibration cycle Probe removed or too far from leak during Cal cycle YES NO Re...

Страница 64: ...eak parameters and store New factory cal Pressure derived from box temperature Leak transducer pressure DIAGNOSTIC PRESSURE SCREEN Bacharach Inc CONFIDENTIAL for internal use only H25 IR FAULT CODE TROUBLE SHOOTER 0200 DIGIPOT RANGE ERROR Gain adjustment of digital potentiometer was below the minimum value of 150 Sensor voltage is zero Or near zero YES NO Sensor voltage below 4 2 volts YES NO Dete...

Страница 65: ...reak in sample line In probe assembly Bacharach Inc CONFIDENTIAL for internal use only H25 IR FAULT CODE TROUBLE SHOOTER 1000 MEASURE FLOW FAULT Indicates current pressure drop in measure Mode deviates from the value store during The last calibration cycle by more than 10 Too long since last cal And ambient pressure Or filter flow has changed YES NO Repeat cal cycle Replace internal filter and sto...

Страница 66: ...enu YES NO Reconnect cable and readjust digipot In factory menu Adjust sensor voltage with digipot in Factory menu to 4 2V 0 05V YES Bacharach Inc CONFIDENTIAL for internal use only H25 IR FAULT CODE TROUBLE SHOOTER DETECTOR CABLE CHECK BOTH ENDS EMITTER CABLE CHECK BOTH ENDS 8000 A D CLIPPING ERROR Indicates the sensor output voltage is greater than 4 55V Was new optical sensor Just installed YES...

Страница 67: ...n 0 1 leak units Accuracy Leak Rate 15 of the reading certified leak source uncertainty 1 of reading instrument uncertainty PPM 10 of reading can be improved to 1 if recalibrated using a known concentration of refrigerant gas Temperature Drift 0 3 of reading per C Calibration Internal calibration performed using the unit s built in leak source External calibration performed using a customer suppli...

Страница 68: ...Specifications H25 IR 62 Instruction 3015 5286 Notes ...

Страница 69: ...62 SF6 Oz yr Small Auto Internal 3015 4479 SF6 Oz yr Small Auto External 3015 4485 R134a Oz yr Small Auto External 3015 4487 3015 5266 SF6 g yr Small At CAL Internal 3015 4489 SF6 g yr Small At CAL External 3015 4578 3015 5268 R134a g yr Small At CAL Internal 3015 4588 3015 5269 R600a g yr Small At CAL Internal 3015 4589 3015 5270 SF6 g yr Small At CAL Internal 3015 4659 R134a g yr Small At CAL Ex...

Страница 70: ...Headquarters 621 Hunt Valley Circle New Kensington PA 15068 Ph 724 334 5000 Fax 724 334 5001 Toll Free 1 800 736 4666 Website www mybacharach com E mail help mybacharach com Printed in U S A ...

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