(Modification rights reserved)
TECHNICAL DATA
For communication with EE871 via E2 interface please see the support literature at www.epluse.com/ee240.
E2 INTERFACE
Measurands
CO
2
Measurement principle
Dual wavelength (non-dispersive infrared technology) NDIR
Measuring range
0...2 000 ppm:
< ± (50 ppm + 2 % from the measured value)
Accuracy at 25 °C
0...5 000 ppm:
< ± (50 ppm + 3 % from the measured value)
and 1 013 mbar
1)
(77 °F...14,69 psi)
0...10 000 ppm:
< ± (100 ppm + 5 % from the measured value)
Response time t
63
105 s with measured data averaging (smooth output)
60 s without measured data averaging
Temperature dependency
0...2 000 ppm:
(-20...45 °C)
(-4...113 °F)
0...5 000 ppm:
typ. ± (1 + CO
2
concentration [ppm] / 1 000) ppm/°C
0...10 000 ppm:
Transmission interval
Adjustable from 1 s to 1 h
by the EE242 base station
General
Digital interface
E2
(details: www.epluse.com)
Power supply class III
2)
4.75 - 7.5 V DC
Average current consumption
3)
120 µA
(at 1 h transmission interval)...
4.3 mA
(at 15 sec. transmission interval)
Current peak, max.
350 mA for 0.05 s
Enclosure / protection rating
Polycarbonate (PC) / enclosure IP65
Filter cap
PTFE
Electrical connection
Connector M12x1
Cable length, max.
10 m
(32.8 ft)
Electromagnetic compatibility
EN 61326-1
(Industrial enviroment)
EN 61326-2-3
Operating conditions
-40...60 °C
(-40...140 °F)
0...100 %RH (non-condensing) 85...110 kPa
(12.33...15.95 psi)
Storage conditions
-40...60 °C
(-40...140 °F)
0...100 %RH (non-condensing) 70...110 kPa
(10.15...15.95 psi)
1) For averaging output
2) USA & Canada class 2 supply required, max. supply voltage 30 V DC
3) The average current consumption depends on the measurement interval
For outdoor applications EE871 must be used with the radiation shield order no. HA010507, which protects the device
against rain, snow, ice, and solar radiation.
OPERATION OUTDOORS
94
44
174
Ø105
122
W
20
Ø5
