E2658-H2S
Rev 12.03.2021
Specifications
Sensor type
Electrochemical cell
Sampling method
Diffusion
Typical detection range
0...100 ppm
0...2000 ppm
Maximum overload
500 ppm
4000 ppm
Resolution / digital unit
0.1 ppm
2 ppm
Response time T90
< 30 s
< 25 s
Operating temperature
-30...+50 °C
-40...+50 °C
Sensor lifetime
> 2 years
Calibration interval
6 months
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
Outputs assignment
OUT1 2 gas; OUT2 2 gas
Output scale width
> 10 × resolution
Recommended: 20-100% of the detection range
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 die-cast aluminum, wall mount, IP66
Cable glands
M25 for SWA cable or steel conduit Ø10...17 mm
Dimensions
H80 × W125 × D57 / H80 × W175 × D80 mm
Protection
Flameproof, ATEX: II 2 GD, Ex ed IIC T4 Gb
ATEX Approvals
Enclosure:
ATEX / IECEx
DEMKO 13 ATEX 1327771U
II 2 G Ex c IIC Gb
II 2 D Ex tb IIIC Db IP66
Glands:
ATEX / IECEx
II2G Ex e II IP68
IBExU08ATEX 1063 X Ex II 1D Ex tD A20 IP 6x Ex
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