E2608-NH3-E
Rev 27.07.2022
Specifications
Sensor type
Electrochemical cell
Sampling method
Diffusion
Typical detection
ranges
0...100 ppm
0...300 ppm
0...1000 ppm
Maximum overload
200 ppm
500 ppm
1500 ppm
Resolution / digital unit
1 ppm
Response time T90
< 75s
Alarm setpoints
(set / release)
LOW: 25 / 20 ppm
HIGH: 35 /28 ppm
Determined by the user within 5-95% of the
detection range
Sensor lifetime
> 2 years
Calibration interval
6 months
Signal update
Every 1 second
Power supply
12...36 VDC (default),
24 VAC or 230 VAC as options
Power consumption
< 2 VA
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
Analog outputs
2 × 4-20 mA / 0-10 V, user settable
Outputs assignment
OUT1: Gas; OUT2: Gas
Output scale width
> 10 × resolution
Recommended: 20-100% of the detection range
Relay outputs
2 × SPST, max 5 A, 30 VDC / 250 VAC
Cable connections
Screwless spring-loaded terminals
Enclosure
Grey ABS, wall mount, protection class IP65
Dimensions
H87 × W82 × 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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