Supply Of Ng & Chlorine Detectors , Supply Of Items As Per Following Specifications , Flame-Proof , Fixed , Ambient Online Ng ( Ch4 ) Detector , Sensor: Plug In Infrared Type , Sensor Housing: Ss316 , Measuring Range: 0-100% Lel , Supply: 24 Vdc , Current Output: 4-20 Ma Dc , 2 / 3 Wire , Contact Ouptut: 3 Spdt Type Relays For Alarm / Fault Indication , Display: Integral Tricolor Two Or More Line Backlit Lcd Display , Calibration / Configuration: Non-Intrusive ( Non Need To Open Covers ) Menu Driven Without Special Devices Or Software , Repeatability: + / - 2% Fsd Or Better , Response Time: 15 Seconds Or Faster , Area Classification: Zone 2 , Class Iic , T3 , Enclosure: Epoxy Coated Aluminum Alloy , Nema 4X / Ip66 , Cable Glands: 1 / 2 Npt , Ss304 , Double Compression , Approvals: Atex / Ul / Csa / Fm / Tuv , Mounting: Ss , Suitable For 2 Pipe Mounting , Communication: Rs485 , Modbus Rtu , With Calibration Certificate . Acceptable Makes: Draeger , Honeywell , Dettronics , Msa , Bieler + Lang Only . Other Makes Shall Be Rejected , Online Chlorine Detector , Sensor Type: Electrochemical Cell , Power Supply: 12-30 Vdc , 2 Wire , Signal Output: 2 Wire , 4 - 20 Ma Dc , Display: 3 1 / 2 Digit Lcd , Intrinsically Safe , Atex / Ul Certified , Approvals: Exia Iic T4 , Zone 2 / Ul Class I , Groups A , B , C And D , Measuring Range : 0-10 Ppm With Accuracy Of + / -5% Of Range Or Better , Enclosure: Poly Phenylene Sulphite Or Better , Ip65 , Suitable For 2 Stand Pipe Mounting , Acceptable Makes: Draeger , Honeywell , Dettronics , Msa , Bieler + Lang Only . Other Makes Shall Be Rejected .
