Bacharach H25-IR Instruction

These instructions describe how to replace the IR Sensor 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. If necessary, refer to
Instruction 3015-4342 or 3015-5286 (dependent on generation of model) for detailed operation and
maintenance information.
Items Required:

Replacement IR Sensor Kit:*
Model
CFC, HCFC, HFC &
Halogen gases
R600
SF
6
CO
2
** Not for individual sale. Used for ID purposes only. (i.e. To order replacement kit for your bench which is
labeled model number 3015-5086, place order for kit number 3015-4501.)

Medium Phillips head screwdriver

Small flat blade screwdriver

Wire cutter (for removing cable ties)

Kit contains IR Sensor of gas being detected, cable ties (Qty. 2), and this instruction sheet
Top Cover Removal
1. Remove both the front and rear bezels by first disengaging the plastic tabs on the right and left sides of
the bezel, and then pulling the bezel straight out.
2. Remove the two top screws that secure the front panel.
3. Remove the four screws that secure the rear panel.
4. Remove all rear panel electrical connectors.
5. Drop down the rear panel far enough to allow the top cover to clear, being careful not to stress the
cables attached to the panel.
6. Remove top cover by sliding it toward rear of instrument.
www.netzerotools.com
Bench Kit Solo Bench (450 mW)**
3015-4501
3015-4502
3015-4561
3015-4562
Figure 1.
www.netzerotools.com
IR Sensor Replacement
Instruction 3015-4526
Solo Bench (540 mW)**
3015-5086
-
3015-5087
3015-5090
H25-IR
Rev. 7 – August 2010
-
3015-5089
-
-