E2227
Rev 17.05.2021
Specifications
Sensor type
Digital combined RH and T sensor
Measurement range
0...95 % RH
-20...+70 °C
Resolution
0,01 %RH
0,01 °C
Accuracy
±2,5 % RH / ±0,5 °C
±1,8 % RH / ±0,3 °C on request
Self-diagnostics
Full functionality check at start-up
Warm-up time
≤ 1 s
Response time
<15 seconds
Power supply
11...30 VDC, nominal 24 VDC
Power consumption
< 1,5 VA
Analog outputs
2 × 4-20 mA / 0-10 V, user settable, freely
configurable scales
Load resistance
RL < (Us - 2 V) / 22 mA for 4-20 mA
RL > 250 kOhm for 0-10 V mode
RS485 fieldbus interface
Up to 256 units on bus (1/8 unit load)
no galvanic isolation
Modbus RTU protocol support
Cable connections
Screwless spring loaded terminals
Enclosure
White ABS, wall mount, ventilation slots, protection class IP20
Dimensions
H71 × W71 × D27 mm
Weight
<100 g
Operating environment
Residential, business and industrial, indoor spaces
Operating conditions
20...+70 °C, 0...95% RH non-condensing,
no aggressive gases
CE marking
According to 2014/30/EU:
EN 61000-6-3:2020, EN 61326-1:2013(EMC, emissions)
EN 61000-6-1:2019, EN 61000-6-2:2019(EMC, Immunity)
3
