Analytical Industries GPR-2500 A Oxygen Analyzer - Manual (Page 14)

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7. Assure the keyway registration of the female plug on the cable and male receptacle on the sensor match up.
8. Push the female plug (including the knurled lock nut) molded to the cable into the male receptacle attached to
the new sensor.
9. Screw the knurled lock nut attached the cable onto to the male connector attached to the sensor, tighten
finger tight plus ¼ turn.
10. Replace the front cover of the transmitter and ensure that the gasket is replaced as well to maintain CE
approval and NEMA 4 rating.
11. Tighten the four (4) screws to secure the front cover.
12. Connect the gas lines, vent line first, as previously described.
13. Proceed to calibration.
Remote Oxygen Sensor:
Applications requiring the sensor to be located remotely from the electronics dictate the
separate packaging and shipment of the electronics enclosure, oxygen sensor and sensor flow
housing. The appropriate length of cable to connect the sensor to the electronics is supplied
and connected to the electronics. To install the remote sensor:
1. Locate the sensor flow housing and note the through holes in the flanged sections.
2. Identify the spot for installation.
3. Using two (2) 6/32 screws of the appropriate type and length secure the sensor flow
housing to a flat surface, the position illustrated at the right is recommended for optimum
performance.
4. Remove the oxygen sensor from the bag.
5. Screw the oxygen sensor into the sensor flow housing, equipped with elbows and tubing,
finger tighten plus one half (1/2) turn to ensure a good seal from the o-ring affixed to the
sensor.
6. Remove the shorting device (looped wire) from the receptacle located at the rear of the
sensor. Minimize the time the sensor is exposed to ambient air.
7. Assure the keyway registration of the female plug on the cable and male receptacle on the sensor match up.
8. Push the female plug (including the knurled lock nut) molded to the cable into the male receptacle attached to
the new sensor.
9. Screw the knurled lock nut attached the cable onto to the male connector attached to the sensor, tighten
finger tight plus ¼ turn.
10. Connect the 1/8” diameter gas lines, vent line first, as previously described.
11. Proceed to calibration.