Detcon 1000_CO2 - Manual (Page 9)

Model 1000 CO2
Model 1000 CO2 Instruction Manual Rev. 2.2 Page 5 of 28
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24VDC OUT
2.1A 18-36 VDC IN
Flow Fault (optional)
Pump/Scrubber
Power Supply/
Terminal PCB
Sensor (side view) Sensor
Right Left
Figure 8 Explosion proof enclosures
A 24 VDC power supply and termination PCB for the power, relay contacts, 4-20mA output, and or RS485
signal, are located in the explosion proof enclosure located in the upper right of the unit. The pump, activated
carbon scrubber, and optional low flow fault assembly are located in the explosion proof enclosure located in
the upper right of the unit. Declassify the work area before removing covers.
2.0 Specifications
Sensor Type
Solid-state metal oxide diffusion/adsorption (TP-624C H
2
S Sensor)
Non-Dispersive Infrared (IR-640/IR-642 CO
2
Sensor)
Measurement Range
0.3% up to 5% (IR-640 CO
2
Sensor)
10% up to 100% (IR-642 CO
2
Sensor)
Accuracy/Repeatability
± 5% Full Scale (IR-640/IR-642/IR642 CO
2
Sensor)
Response/Clearing Time
T50<30 seconds, T80<60 seconds (IR-640/IR-642 CO
2
Sensor)
Operating Temperature
-4°F to +167°F: -20°C to +75°C
Outputs
Linear 4-20mA DC; RS-485 Modbus™; 3 relays (alarm 1, alarm 2, and fault), Contacts rated 5 amps
Sensor Life/Warranty
Sensor: 5-year conditional warranty. Transmitter: 2-year warranty (IR-640/IR-642 CO
2
Sensor)
Input Voltage
110/220VAC;
22.5-28VDC
Power Consumption
225 mA max (5.4 watts)
Electrical Classification