E+E EE82 Specifications
EE82
EE82 is optimized for harsh climate control applications such as life
stock barns or storage of fruit and vegetables. The robust enclosure
has been tailored for best protection of the CO2 sensing cell. The air
diffuses first through the filter on the front cover into the instrument
enclosure and then through a second membrane filter into the CO2
sensing cell. As there is no flow through the sensing cell, this is very
well protected against pollution.
The CO2 measurement is based on the Non-Dispersive Infrared
(NDIR) technology. A patented auto-calibration procedure compensates for the aging of the infrared source and leads to outstanding
long-term stability.
CO2 Switch for harsh environment
EE82 is available with measuring ranges of 0...2000, 0…5000 or
EE82
0…10000ppm. The switch threshold and hysteresis can be set with
potentiometers on the printed circuit board.
The EE82 with snap-in mounting flange and M12 electrical connector allows for easiest installation, replacement or removal of the device during site cleaning and sterilizing operation.
Typical Applications Features
fruit and vegetable storage
life stock barns
easy installation
compact housing
auto-calibration
Technical Data
Measured values
Measuring principle Non-Dispersive Infrared Technology (NDIR)
Sensing element E+E Dual Source Infrared System
Measuring range 0...2000 / 5000 / 10000ppm
Accuracy at 25°C
and 1013mbar 0...5000ppm: < ± (50ppm +3% of measuring value)
0...10000ppm: < ± (100ppm +5% of measuring value)
Response time
Temperature dependence typ. 2ppm CO
Long term stability typ. 20ppm / year
Sample rate approx. 15s
Switch Output
Max. switching voltage 50V AC / 60V DC
Max. switching load 0.7A at 50V AC 1A at 24V DC
Min. switching load 1mA at 5V DC
Contact material Ag+Au clad
General
Supply voltage 24V AC ±20% 15 - 35V DC
Current consumption typ. 10mA
max. 0.5A for 0.3s
Warm up time
Housing / protection class PC / IP54
Electrical connection M12 plug
Electromagnetic compatibility EN61326-1 FCC Part 15
EN61326-2-3 ICES-003 ClassB
Working temperature and conditions -20...60°C
Storage temperature and conditions -20...60°C
1) warm up time for performance according specification
(77°F) 0...2000ppm: < ± (50ppm +2% of measuring value)
τ
< 195s
63
1)
< 5 min
2/°C
(-4...140°F) 0...100% RH (non-condensing)
(-4...140°F) 0...95% RH (non-condensing)
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EE82
EE82
Dimensions (mm) Connection Diagram
80
(3.15”)
80 (3.15”)
snap-in
51 (2”)
relay status
ON
OFF
Hysteresis [% of WR]
switching off
25% of WR
Level [% of WR]
on
switching
1000500
2000
ppm
mounting flange
NO = normally open
NC = normally closed
WR = working range
Ordering Guide Order Example
MEASURING RANGE MODEL
0...2000ppm
0...5000ppm
0...10000ppm
(2) CO2 Switch (CS)
(5)
(10)
EE82-
Measuring range: 0...5000ppm
Model: CO2 Switch
EE82-5CS
EE82
v1.8 / Modification rights reserved
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