E2408DF
Rev 27.05.2021
Specifications
Sensing method
Thermal microflow
Detection range options
E2408DF-50 -50...+50 Pa
E2408DF-500 -500...+500 Pa
Resolution
0,025% of the range
Gas flow through sensor
< 0,2 ml / minute / Pa
Zero point accuracy
± 0,2 Pa, stability < 0,1 Pa / year
Span accuracy
±1,5% of reading at +23°C, 1000 hPa
Temperature effect
< 0,5% of reading per 10°C
Atmospheric pressure effect
< 0,1 % of reading per hPa
Analog outputs
2 × 4-20 mA or 0-10 V, user settable
Digital interface
RS485, Modbus RTU protocol
Load resistance
RL < (Us - 3 V) / 22 mA for 4-20 mA
RL > 100 kOhm for 0-10 V mode:
Operating conditions
-20...+70 °C, <99 %RH, without
Aggressive gases or oil, residential or business spaces
Power supply
11...30 VDC
90...265 VAC
With integrated mains supply module
Power consumption
< 2 VA
Electromagnetic compatibility
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)
Enclosure
Light beige ABS 82×85×55 mm, IP65
Relays
2 × SPST, max 5 A, 30 VDC / 250 VAC
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