Technical Data
22
Technical Data
General Details
Functional Principle Compensated Infrared Absorption
Standard operating range 0 – 100 %LEL
Standard sensitivity 0.16 mA/%LEL
Standard gas categories methane, propane, ethylene
Output signal 4 to 20 mA
Power supply 10 to 30 V DC
Switch-on current (2 ms) ≤0.5 A
Power consumption ≤2W
Connecting thread M25x1.5 or 3/4" NPT
Material stainless steel SS 316
Weight approx. 550 g
Dimensions see "Dimensions" on page 25
Terminal box of complete set:
Cable gland M20x1.5 brass, nickel-plated for cable with Ø 7-12 mm (order no. 68 11 160 and 68
11 270) or 3/4"‘ NPT thread (order no. 68 11 180).
Permissible conductor cross-sections: 1.0 to 2.5 mm
2
(Order No. 68 11 160) or
0.5 to 4.0 mm
2
(Order No. 68 11 270) or
0.2 to 4.0 mm
2
(Order No. 68 11 180)
Environmental operating ranges –40 to 65 °C
700 to 1300 hPa
0 to 100 % rel. hum.
Environmental storage ranges –40 to 70 °C
700 to 1300 hPa
0 to 100 % rel. hum., non-condensing
IP rating IP 66, IP 67, NEMA 4X&7
CE marking devices and protection systems for intended use in potentially explosive
atmospheres (directive 2014/34/EU);
electromagnetic compatibility (directive 2014/30/EU)
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