Bacharach H25-IR User Manual
Page 4
Contents
H25-IR
ii
Instruction 3015-4342
3.4.1
Simulating Other Internal Leak Source Gas Types Using the CAL Factor..................25
3.4.2
Improving PPM Measurement Accuracy using the CAL Factor .....................................25
3.4.3
Adjusting the CAL Factor ..................................................................................................26
3.5
Restoring Factory Calibration..........................................................................................................27
3.6
Storing a New Factory Calibration ..................................................................................................27
4
Operation....................................................................................................................................29
4.1
Instrument Location .........................................................................................................................29
4.2
Using the H25-IR ..............................................................................................................................29
4.2.1
Power ...................................................................................................................................29
4.2.2
Initial Setup ........................................................................................................................29
4.2.3
Range Selection...................................................................................................................30
4.2.4
Setup Selection ...................................................................................................................30
4.2.5
Volume Adjustment............................................................................................................30
4.2.6
Searching for a Leak...........................................................................................................31
4.2.7
Measuring the Leak Rate...................................................................................................31
4.2.8
Measuring the PPM Level..................................................................................................32
4.2.9
Logging Measured Readings..............................................................................................32
4.2.10
Logged Measurements........................................................................................................33
4.2.10.1
Viewing Logged Measurements .....................................................................33
4.2.10.2
Clearing the Log..............................................................................................33
4.2.10.3
Viewing the Total of All Logged Measurements ...........................................33
4.2.10.4
Setting the Log Limit......................................................................................34
4.3
Fault Conditions................................................................................................................................34
4.4
PCHK (Atmospheric Pressure CHecK)............................................................................................35
4.5
RS-232 Communication ....................................................................................................................35
4.6
Serial Output Types ..........................................................................................................................35
5
Maintenance...............................................................................................................................37
5.1
Diagnostics Menu ..............................................................................................................................37
5.1.1
Sensor Data.........................................................................................................................37
5.1.2
Last Fault............................................................................................................................38
5.1.3
IR Emitter ...........................................................................................................................39
5.1.4
Pressure...............................................................................................................................39
5.1.5
Loop Test .............................................................................................................................39
5.1.6
Clear Last Fault..................................................................................................................39
5.1.7
Auto Gain ............................................................................................................................40
5.2
Factory Menu.....................................................................................................................................40
5.2.1
DIGIPOT .............................................................................................................................40
5.2.2
Leak Rate ............................................................................................................................40
5.2.3
Leak Gas..............................................................................................................................41
5.2.4
Leak Temp...........................................................................................................................41
5.2.5
Leak TEMPCO....................................................................................................................41
5.2.6
Sensor Cal ...........................................................................................................................41
5.2.6.1
Pressure Sensor Calibration Screen ..............................................................41
5.2.6.2
Flow Rate Sensor Calibration Screen (Factory Calibration)........................42
5.2.6.3
Box Temperature Calibration Screen ............................................................42
5.2.7
Model Select ........................................................................................................................42
5.2.8
Probe Type...........................................................................................................................43
5.2.9
Firmware.............................................................................................................................43
5.3
Flashing Memory...............................................................................................................................43
5.4
Part Replacement..............................................................................................................................46
5.4.1
Removing the Top Cover ....................................................................................................46
5.4.2
Fuse Replacement...............................................................................................................47
5.4.3
Probe Tip Filter & O-Ring Replacement ...........................................................................47
5.4.4
Internal Filter Replacement ..............................................................................................48
5.4.5
Optical Bench Replacement ...............................................................................................48
5.4.5.1
Top Cover Removal .........................................................................................49
5.4.5.2
Installing the New IR Optical Bench.............................................................49
5.4.5.3
IR Emitter Adjustment...................................................................................49