Bacharach H25-IR Specifications Page 45
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H25-IR Parts & Service
Instruction 3015-4342 39
5.1.3 IR Emitter
The IR Emitter screen provides readouts of the detector’s voltage, current, resistance, and power consumption.
When contacting the Bacharach Service Department, the operator may be asked to provide this information to
help in the troubleshooting process.
To display the IR Emitter screen, first display the Diagnostics menu as described in Section 5.1. Next, use the
Up and Down buttons to highlight “IR EMITTER” and then press ENT.
5.1.4 Pressure
The Pressure screen provides readouts of bench pressure, ambient pressure, the difference between the two
(delta), flow rate through the bench in moles per minute, and the tank pressure of the internal leak source.
When contacting the Bacharach Service Department, the operator may be asked to provide this information to
help in the troubleshooting process.
To display the Pressure screen, first display the Diagnostics menu as described in Section 5.1. Next, use the
Up and Down buttons to highlight “PRESSURE” and then press ENT.
This screen also allows a technician to manually turn the pump ON and OFF, along with manually controlling
the position of the measure/search flow-rate 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 external monitoring equipment such as chart recorders.
To display the Loop Test screen, first display the Diagnostics menu as described in Section 5.1. Next, use the
Up and Down buttons to highlight “LOOP TEST” and then press ENT.
Press the Up, Down, Left, and Right buttons to produce the desired output current. Press ESC to return to the
Diagnostics menu.
5.1.6 Clear Last Fault
The Last Fault screen normally displays the last fault detected by the instrument, even if the fault no longer
exists. This is useful in determining the cause of an intermittent type fault.
To clear the Last Fault screen of all faults: first display the Diagnostics menu as described in Section 5.1; use
the Up and Down buttons to highlight “CLR LAST FAULT”; press ENT; and then confirm this action by pressing
the Up button.
IR EMITTER PARAMETERS
VOLTS=6.1740 mA=129.5
OHMS=47.7 mW=800.0
BENCH AMB DELT
11.73 14.04 2.31
FLOW=0.00950Mpm
LEAK PSI=102.1
(
100.2
)
LOOP TEST
DOWN=0ma UP=20ma
LEFT=4ma RIGHT=10ma
ESC TO QUIT
- Instruction 3015-4342 1
- WARRANTY 2
- Table of Contents 3
- Contents H25-IR 4
- H25-IR Contents 5
- 1 Introduction 7
- 1.2.5 Explosive Atmosphere 8
- 1.2.8 In Case of Malfunction 8
- 1.2.9 Cleaning 8
- 1.3 Ordering Information 9
- Introduction H25-IR 10
- 4 Instruction 3015-4342 10
- 1.6 Functional Overview 11
- 1.7.1 Front View 12
- 1.7.2 Rear View 13
- 1.7.3 Interior 13
- 1.7.4 Standard Probe 14
- 1.7.6 Smart Probe 15
- 1.8 Menu System 16
- 2 Preparing for Operation 17
- 2.5 System Setup 18
- 2.5.3 Relays 19
- 2.5.4 4–20 mA Loop 19
- BRIGHTNESS 20
- 2.6.1 Setup Name 21
- 2.6.2 Range 21
- 2.6.3 Gas Type 22
- 2.6.4 Feedback Mode 22
- 2.6.5 Setpoint 22
- 2.6.6 Search Auto Zero 23
- 18 Instruction 3015-4342 24
- Instruction 3015-4342 19 25
- 20 Instruction 3015-4342 26
- 3 Calibration 27
- 3.2 Internal Calibration 28
- 3.3 External Calibration 29
- 3.4 CAL Factor 30
- Using the CAL Factor 31
- K4=0.0 K5=0.0 32
- Instruction 3015-4342 27 33
- Instruction 3015-4342 34
- 4 Operation 35
- 4.2.3 Range Selection 36
- 4.2.4 Setup Selection 36
- 4.2.5 Volume Adjustment 36
- 4.2.6 Searching for a Leak 37
- 4.2.10 Logged Measurements 39
- 4.3 Fault Conditions 40
- 4.5 RS-232 Communication 41
- 4.6 Serial Output Types 41
- 5 Maintenance 43
- 5.1.2 Last Fault 44
- 5.1.3 IR Emitter 45
- 5.1.4 Pressure 45
- 5.1.5 Loop Test 45
- 5.1.6 Clear Last Fault 45
- 5.2 Factory Menu 46
- 5.2.3 Leak Gas 47
- 5.2.4 Leak Temp 47
- 5.2.5 Leak TEMPCO 47
- 5.2.6 Sensor Cal 47
- 5.2.7 Model Select 48
- 5.3 Flashing Memory 49
- Parts &Service H25-IR 50
- 44 Instruction 3015-4342 50
- H25-IR Operation 51
- 5.4 Part Replacement 52
- 5.4.2 Fuse Replacement 53
- 48 Instruction 3015-4342 54
- 5.4.5.1 Top Cover Removal 55
- 5.4.5.4 DIGIPOT Adjustment 56
- 5.4.5.5 Factory Calibration 56
- 5.5 Replacement Parts 58
- 5.6 Service Centers 59
- H25-IR Specifications 60
- 7 Specifications 66
- H25-IR Appendix A 68
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