E2658-NH3-S
Rev 29.06.2021
EN 61000-6-3:2020, EN 61326-1:2013 (EMC, Emissions)
EN 61000-6-1:2019, EN 61000-6-2:2019, EN 61326-2-1:2013 (EMC,
Immunity)
EN 60079-0:2018, EN 60079-1:2014, EN 60079-31:2014,
EN 60079-29-1:2016, EN 60079-29-2:2015, EN 60079-29-3:2014
Operating conditions
-40...+50 °C; <95% RH non-condensing, 0,9...1,1 atm;
Explosion-safe zones and ATEX Zones 2 and 22
Normal ambient oxygen level
Avoid strong mechanical shock, vibrations or EMI
Avoid exposure to corrosive gases or volatile silicon-containing
compounds
NOTE! the sensor may exhibit sensitivity to hydrogen sulfide.
Relay option
Output relays
2 × SPST relays (closing contact),
250 VAC / 30 VDC, 5 A max
Default alarm setpoints
(set/release)
RE1 (LOW): set 25 ppm; release 20 ppm
RE2 (HIGH): set 35 ppm; release 28 ppm
5
