RKI Instruments Pioneer 4W - Manual (Page 75)

Pioneer Hydrogen Transmitter Technical Notice
Although this Pioneer manual insert was written for the combustible gas LEL transmitter, the
operational instructions are the same for the hydrogen transmitter with the exception of the
sensor wiring and the following specifications:
- Model: Pioneer hydrogen transmitter, 65-2440RK
- Gas: Hydrogen
- Measuring range: 0 - 2000 ppm
- Alarm points: Alarm 1 200 ppm
Alarm 2 500 ppm
Alarm 3 1000 ppm
- Calibration gas: 1000 ppm Hydrogen
- Sensor: 61-0160RK
- Transmitter: 57-1071RK
Please see the attached wiring diagram for the sensor wiring. The wiring from the transmitter
to the Pioneer controller is the same as shown in the following insert.