E2618-LEL
Rev 08.12.2020
Specifications
9
Detected gases
Acetylene, Butane, Hydrogen, Methane, Propane, etc
Sampling method
Diffusion
Sensor type
Metal oxide semiconductor
Catalytic (pellistor)
Typical detection range
0...100% LEL
0...100% LEL
Resolution / digital unit
0.1% LEL
1% LEL
Response time T90
ca. 60 s
8 s
Sensor lifetime
> 5 years
> 2 years
Calibration interval
12 months
3...6 months
Operating conditions
-30...+70 °C
-20 to +60°C
<95% RH non-condensing, 0,9...1,1 atm, Explosion-safe indoor areas,
Normal ambient oxygen level
Avoid strong mechanical shock, vibrations, or EMI
Avoid exposure to corrosive gases or silicone-containing products
NOTE! Transmitter with a catalytic type sensor is not suitable for acetylene
detection
Signal update
Every 1 second
Power supply options
11...30 VDC or 24 VAC
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 2 gas; OUT2 2 gas
Output scale width
> 10 × resolution
Recommended: 20-100% of the detection range
Cable connections
Screwless spring-loaded terminals
Enclosure
Grey ABS, wall mount, protection class IP65
Dimensions
H82 × W80 × 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
