Evikon E2658-CO, Руководство пользователя

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E2658-CO Rev 06.04.2021
Specifications
Sensor type Electrochemical cell
Sampling method Diffusion
Detection range 0...300 ppm 0...1000 ppm
Maximum overload 2000 ppm
Resolution / digital unit 1 ppm
Response time T90 < 30 s
Repeatability < ± 5%
Sensor lifetime > 10 years
Calibration interval 12 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 d 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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