Datasheet
233
EE820
v1.6 / Modification rights reserved
Measured values
Measuring principle dual wavelength non-dispersive infrared technology (NDIR)
Measurement range 0...2 000 / 5 000 / 10 000 ppm
Accuracy at 25 °C
(77 °F) 0...2 000 ppm: < ± (50 ppm +2 % of mv) mv = measured value
and 1 013 mbar
(14.7 psi) 0...5 000 ppm: < ± (50 ppm +3 % of mv)
0...10 000 ppm: < ± (100 ppm +5 % of mv)
Response time t
63
, typ. 300 s (standard)
140 s (fast, with forced air circulation module)
Temperature dependency typ. ± (1 + CO
2
concentration [ppm] / 1 000) ppm/°C (-20...45 °C) (-4...113 °F)
Sample rate approx. 15 s
Output
Analogue
0...2 000 / 5 000 / 10 000 ppm 0-5 / 0-10 V -1mA < I
L
< 1 mA
4-20 mA R
L
< 500 Ohm R
L
= load resistance
Digital Interface RS485 with max. 32 unit load devices on one bus
Protocol Modbus RTU or BACnet MS/TP
General
Supply voltage 24 V AC ±20% 15 - 35 V DC
Current consumption, typ. 15 mA + output current, for standard response time
60 mA + output current, for fast response time
Current peak, max. 350 mA for 0.3 s (analogue output)
150 mA for 0.3 s (RS-485 interface)
Warm up time
1)
< 5 min
Enclosure material Polycarbonate, UL94V-0 approved
Protection class IP54
Electrical connection Screw terminals 2.5 mm² or M12 plug
Electromagnetic compatibility EN61326-1 EN61326-2-3 Industrial Environment
FCC Part 15 ICES-003 ClassB
Working conditions -20...60 °C
(-4...140 °F) 0...100 % RH (non-condensing)
Storage conditions -20...60 °C
(-4...140 °F) 0...95 % RH (non-condensing)
1) for performance according to specification
Technical Data
Dimensions (mm/inch)
Mating M12x1 connector for self assembly
is included in the scope of supply
FOR CONDUIT
INSTALLATION
CABLE GLAND M16x1.5
M12x1 Plug
101mm
3.98“
19mm
0.75“
90
±0.3
mm
3.54
±0.11
“
46mm
1.81“
5mm
0.2“
80.6mm
3.17“