Bacharach 6600-8218 Propane (0 to 100% LEL) Infrared Sensor for MGS-550

Bacharach 6600-8218 Propane (0 to 100% LEL) Infrared Sensor for MGS-550

Measuring Range: 0 - 100%

Replacing the Sensor Module

1. Power down the instrument.
2. Loosen the set screw (see photos to right) in the sensing head cap (item 8) using a 1.5 mm hex wrench.
3. Unscrew the sensing head cap (item 8) and remove.
4. Pull out sensor module (item 5) from sensor control board (item 4).
5. With flat edges of PCBs aligned, plug new sensor module into sensor control board.
6. Screw on the sensing head cap to the sensing head base (hand tight).
7. Tighten the set screw in the sensing head cap.
8. Power-up the instrument.
9. Verify calibration.