Carbon Monoxide Transmitter
Installation Manual
IN-CMD5B1-01-01
May 2, 2017
Page 5
Common Specifications
Measurement . . . . . . . . . . . . . . . . . Electrochemical
Sample Method . . . . . . . . . . . . . . . Diffusion
Measurement Range . . . . . . . . . . . 0-300 ppm
Accuracy . . . . . . . . . . . . . . . . . . . .
5 ppm or
5% of reading (whichever is greater)
0-50
C (32-122
F), 15-90 %RH
Agency Approvals . . . . . . . . . . . . Sensor is UL Recognized for ANSI/UL-2034 and UL-2075, E240671
Operating Conditions . . . . . . . . . . -20-50
C (-4 -122
F), 15-90 %RH, 0.9-1.1 atm
Stability . . . . . . . . . . . . . . . . . . . . . < 5% signal loss/year
Response Time . . . . . . . . . . . . . . . < 35 seconds for 90 % step change
Typical Area Coverage . . . . . . . . . 700 m
2
(7500 ft
2
) or 15 m (50 ft) radius
Wiring Connections . . . . . . . . . . . Screw terminal block (14 to 22 AWG)
Enclosure . . . . . . . . . . . . . . . . . . . 2.8”w x 4.1”h x 1.9”d (71 x 104 x 48 mm)
2-Wire Loop-Powered Model
Power Supply . . . . . . . . . . . . . . . . 24 Vdc ± 20% or 24 Vac ± 10% (non-isolated half-wave rectified)
Consumption . . . . . . . . . . . . . . . . . 20 mA max
Output Signal . . . . . . . . . . . . . . . . 4-20 mA loop-powered
Output Drive Capability . . . . . . . . 550 ohms max @ 24 Vac/dc
3-Wire Relay Model
Power Supply . . . . . . . . . . . . . . . . 24 Vdc ± 20% or 24 Vac ± 10% (non-isolated half-wave rectified)
Consumption . . . . . . . . . . . . . . . . . 50 mA max
Output Signal . . . . . . . . . . . . . . . . 4-20 mA sourcing
Output Drive Capability . . . . . . . . 550 ohms max @ 24 Vac/dc
Relay Contacts . . . . . . . . . . . . . . . Form C contacts (N.O. and N.C.), 5 Amps @ 250 Vac, 5 Amps @ 30 Vdc
Relay Trip Point . . . . . . . . . . . . . . 25, 60 or 150 ppm jumper selectable
Relay Hysteresis . . . . . . . . . . . . . . 3% or 9 ppm
