E2660-CO-CO2
Rev 19.07.2021
Specifications
Sampling method
Diffusion
Detected gas
CO
CO
2
Sensor type
Electrochemical cell
Optical (NDIR)
Typical detection range
0...300 ppm
0...1000 ppm
0...10 000 ppm
Resolution / digital unit
1 ppm
1 ppm
Response time T90
< 30s
Up to 3 minutes
Sensor lifetime
> 10 years
~ 10 years
Calibration interval
12 months
up to 5 years
Outputs assignment
OUT1: CO
OUT2: CO2
Outputs scale width
> 10 × resolution
Recommended: 20-100% of the detection range
For CO: down to 5-100% of the range is allowed
Operating temperature
-20...+50 °C
0...+50 °C
Operating conditions
15...90 %RH non condensing; pressure 0,9...1,1 atm
non-ATEX-rated areas, non-aggressive atmosphere
Cross-sensitivity
hydrogen, acetylene
None
Signal update
Every 1 second
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
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
Cable connections
Screwless spring-loaded terminals
Enclosure
Grey ABS, wall mount, protection class IP65
Dimensions
H90 × W145× D55 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
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