E2648-ETO
Rev 11.05.2021
Specifications
Sensor type
Electrochemical cell
Sampling method
Diffusion
Typical detection range
0...20 ppm
0...100 ppm
Maximum overload
100 ppm
200 ppm
Resolution / digital unit
0.1 ppm
1 ppm
Response time T90
< 120 s
<150s
Sensor lifetime
> 2 years
Calibration interval
6 months
Signal update
Every 1 second
Load resistance
R
L
< (Us - 2 V) / 22 mA for 4-20 mA
R
L
> 250 kOhm for 0-10 V mode
Digital interface
RS485, Modbus RTU protocol
No galvanic isolation
Power supply
11...30 VDC (default),
24 VAC or 90...265 VAC as options
Power consumption
< 2 VA
Analog outputs
2 × 4-20 mA / 0-10 V, user settable
Outputs assignment
OUT1 gas; OUT2 gas
Outputs scale width
> 10 × resolution
Recommended: 20-100% of the detection range
Cable connections
Screwless spring-loaded terminals
Enclosure
Die-cast aluminum, wall mount, protection class IP66
Dimensions
H120 × W125 × D57 mm
CE marking
According to 2014/30/EU and 2014/35/EU, EN 50491-4-1:2012
EN 61000-6-3:2020, EN 61326-1:2013(EMC, emissions)
EN 61000-6-1:2019, EN 61000-6-2:2019(EMC, Immunity)
EN 60079-29-1:2016, EN 60079-29-2:2015 and EN 60079-29-3:2014
Operating conditions
-20...+50 °C, 15...90% RH non-condensing, 0,9...1,1 atm
Explosion-safe areas, non-aggressive atmosphere
NOTE! The sensor may exhibit sensitivity to carbon monoxide, toluene
and other organic compounds
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