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| Gas Monitoring System / Fixed Gas Detectors |
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| Model
: Nimbus |
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● Infrared Flammable gas detector
● Hydrocarbon 및 CO2 검지
● 4~20mA 와 RS485 output 가능● 10년 이상의 긴 수명
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Function : The detection of hydrocarbon gases C1 to C5 and ethylene in the 0-100% LEL range by means of infrared absorption
Dimentions : 125(l) x 170(w) x 210(h)mm
Construction : LM25 marine grade alloy, polyester powder coated
Optical System : Dual wavelength, dual detector
Optical performance. Correct operation with up to 90% obscuration,. Dirty optics warning above 75% (configurable). Heated optics to avoid condensation.
Operating voltage : 10 to 32V dc (nominal 24V)
Typical output signals : All levels configurable, simultaneous sink and source output.
0mA : fault
2mA : dirty optics
4-20mA : 0-100% LEL
24mA : over range
Status light : Green ; normal function
Yellow ; fault
Red ; detecting gas
22 other conditions indicated by flash rate
Communications : Modbus RS485 serial link
Functional testing : Gas chamber of flow adaptor for gassing
Accuracy : Zero stability < 1% LEL, ±5% of gas reading
Repeatability : ÷2% of gas reading
Response time : < 7 seconds ; T90
< 3 seconds ; instantaneous high levels of gas
Temperature range : -40℃ to +65℃
Humidity range : 0 to 99% RH non-condensing
Approvals : EEx d IIB + Hydrogen T6
Light immunity : Totally immune to all external light, both constant and modulated
General immunity : Totally immune to all catalyst poisons. |
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