RKI Instruments RM-5000 Series Indicator/Alarm Unit - Manual (Page 28)

4 How to Use 4-5. How to wire
RM-5000 - 28 -
OX-5001, OX-5002
NOTE
To construct an intrinsically safe explosion-proof system by connecting the indicator/alarm unit to a gas
detector head with an intrinsically safe explosion-proof structure, connect the dedicated Zener Barrier
between them. Read also the operating manual of the gas detector head.
GH-5001
OX-5001
Gas detector head
12
+ -
11
14
13
GH-5001
Gas detector head
12
4 5 AC AC
11
14
13
3
Power supply
for pump
100 VAC
Detector head signal
OX-5001: Sensor direct signal
OX-5002: Current signal (4 - 20 mA DC)