Bacharach H25-IR Specifications Page 22
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Preparing for Operation H25-IR
16 Instruction 3015-4342
2.6.3 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 save the selection.
NOTE: The gases displayed depend on which optical bench is installed. Refer to Section “6 .”
2.6.4 Feedback Mode
The FEEDBACK MODE function provides the operator both visual and audible feedback in regard to the
measured leak rate. This function determines how the gas-level graphical display (bar graph located at the
bottom of the display) and audible tone operate as follows:
CONTINUOUS – The bar graph and audible tone continuously increase and decrease their values in step with
the leak rate. For example, when the leak rate increases, the bar graph moves upscale and the audible tone
increases in frequency. Their maximum values at various leak rates are determined by the Range setting.
SETPOINT – Both the bar graph and audible tone go to their maximum values when the leak rate equals or
goes above the setpoint. Enter a setpoint value per Section 2.6.5 Setpoint.
H25C SETPOINT – This setting emulates the operation of the H25C Industrial Halogen Leak Detector. The bar
graph and audible tone are suppressed when the leak rate is below the setpoint. They both go to their 50%
values when the leak rate reaches the setpoint, and then they both continuously increase in value as the leak
rate increases until reaching their maximum values at 2-times the setpoint. Enter a setpoint value per
Section 2.6.5 Setpoint.
Use the Up and Down buttons to highlight the desired function. Press ENT to save the selection.
2.6.5 Setpoint
The SETPOINT function establishes a leak rate at which the graphical display and audible tone are turned ON
as determined by the Feedback Mode setting (refer to the previous section).
The setpoint value also sets the leak rate at which one or more of the instrument’s relays is energized
whenever the leak rate equals, exceeds, or falls below the setpoint value (refer to Section 2.5.3 Relays), plus it
establishes a reference point where the instrument’s auto-zero function can be turned OFF while in the Search
mode (refer to Section 2.6.6 Search Auto Zero).
Use the Left and Right buttons to move the 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 setpoint.
GAS TYPE < R134
A
SETUP NO. 1 R401A
R402A
< R402B
SETPOINT
SETUP NO. 1
00.0000 Oz/yr
FEEDBACK MODE
SETUP NO. 1
CONTINUOUS
SETPOINT
H25C SETPOINT
- 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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