Replacing the Gas Inlet Adapter
(Pumped Versions Only)
When you remove the black gas inlet adapter (PN: M01-3007-003 pack of 3), unscrew it in the
same manner as the external filter. When replacing it, make sure that the arrow on the front
points to the triangle on the rubber boot. Perform a pump stall test to make sure the inlet and
the external filter are installed properly so that there are no leaks in the system.
Match arrow on nozzle to triangle on rubber boot
Removing/Cleaning/Replacing Sensor Modules
WARNING! Do not replace sensors in hazardous locations.
All sensors are located inside the sensor compartment in the upper half of the MultiRAE. They
are accessed by removing the cover that is held on by four screws.
1. Turn off the instrument.
2. Remove the four screws holding the sensor compartment.
3. Remove the cover. The sensors are plugged into the slots.
4. Gently lift out the desired sensor module with your fingers.
5. Install the replacement sensor. It can only go into its slot one way. The connector inside
the MultiRAE and the indexing guides are good visual indicators of how to set the sensor
into position. Make sure the indexing keys are aligned and that the sensor is seated
firmly.
Honeywell MultiRAE Series™ 144 User Manual
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