sensors atex sensors - explosion proof enclosures controllers warning devices
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Sensors
ATEX Sensors - Explosion Proof
Enclosures
Controllers
Warning Devices
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Gas Sensors/Transmitters:•Plug-in sensor and PCB (easy service)•Short circuit and reverse polarity protection•For CO, NO2 monitoring in car-parks•For Ex-Hydrocarbon (flammables gases) in 0-100% LELOther gases: Cl2, H2S, NH3, SO2 and others•24 VAC/DC•0-20mA output, 4-20mA, 0-10VDC 2-10 VDC•RS485, MODBUS, LON, BACnet (with Gateway)
Housing Options:Stainless Steel (vandal proof)IP-65 with splash guardsMetalIP 65 (standard – as pictured)ATEX Hazardous Area Certified (Ex-Proof)
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CO SensorsThree different models stocked by Siemens.
• AT-02-1110 (0-300PPM, 4-20mA)• ADT-03-1110 (0-300PPM, multi-output)• ADT-03-1110-LED (0-150PPM, multi-output, 3x LEDs, metal enclosure)
NO2 Sensor• ADT-53-1130(0-25PPM, multi-output)
NO Sensor• ADT-53-1129 (0-25PPM, multi-output)
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Freon Sensors• AT-42-20xx (0-2000PPM, 4-20mA)• AT-42-20xx (0-300PPM, 4-20mA) – special order• ADT-D3-20xx (0-2000PPM, multi-output, Infra-red cell)
NH3 Sensor• ADT-53-1120 (0-300/1000PPM, multi-output, -10oC - +40oC)• ADT-63-1125 (0-300/1000PPM, multi-output, -40oC - +10oC)
CO2 Sensor• ADT-D3-1164 (0-50,000PPM, multi-output, Infra-red cell)
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O2 Sensor• ADT-93-1195 (0-25%VOL, multi-output)
Ex Sensor• ADT-23-34xx (0-100%LEL, multi-output)• Calibrated for all Explosive gases, Methane, Propane,Ethylene, Benzene etc)
ATEX Sensors (Explosion proof)• Available for Zone 1 & Zone 2• For all gases (O2, Methane, Ethylene, CO, CO2, H2S, CL2, NO, NO2 etc)•With or without LC Display
•For monitoring in ambient air, ground water contamination / soil contamination to meet EPA guidelines•For Oil/Gas, Petro-chemicals, Dangerous goods, Laboratories, Mining, Tunnels
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Hazardous Area Installations:
America: Div 1, Zone 0 (Cont. hazard), Zone 1 (Intermittent Hazard), Div 2 or Zone 2 (Hazard under abnormal conditions)
CENELEC (Europe): Zone 0 (continuous), Zone 1 (Intermittent), Zone 2 (abnormal conditions)
Australia: Follows both (depends on the consultants – but mainly European)
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Plastic IP65 (standard)
For low cost, buildings
Stainless Steel
(Vandal proof)
For corrosive places
IP 65 with splash guard
For out-doors, water splash
Duct Mount For Ducts
Heater For freezing temp.
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• IP 65 ABS housing, Averaging, Mean-Value calculations• Option of 1 hour emergency back up with batteries, integral buzzer, integral A-V Alarm•Fully Modular to build from 4 upto 24 Channel System
– Clear hinged door with option of lock– password protected– LON Gateway– MODBUS Gateway– BACnet Gateway
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PolyGard® Gas Controller MGC 03MGC03-02-02 -2 Measuring Point - 2 Alarm
relay
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Stand Alone Gas Alarms (Car parks, LPG, Natural Gas, O2, CO2 and many other gases)
•Integral Gas Sensors (Remote Gas Sensors)Gases: CO, NH3, Explosive, NO2, CO2 (for DCV)
•Integral display
•4-20 mA Ouput
•Integral Relays
•Stand alone operation for fan logic control or alarms
•For small car parks, garages, labs, uni, schools (Single channel controller)
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PolyGard® Gas Controller MGC 04MGC04-04-04 -4 Measuring Point - 4 Alarm
relay
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MGC_04_08_088 Measuring Point -- 8 Alarm relay
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MGC_04_16_16 -16 Measuring Point - 16 Alarm relay
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MGC_04_24_24 -24 Measuring Point -- 16 Alarm relay
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MLD-95A 24VDC Combo siren/strobe
Lo Alarm: Flasher (Red)
Hi-Alarm: Siren (105dB)
Text Legend Type, flashing, also audio
240 VAC, 24 VDC
E2S combination A-V Alarm, 24 VDC
Lo-Alarm: Flasher (Red)
Hi-Alarm: Audio (95 dB)
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Australian Exposure Standards for Atmospheric Contaminants in the Occupational Environment NOHSC: 3008 (1995) has set some TWA standards which are followed by various OH&S Statutory Bodies as well as referred by Standards (AS 1668.2 etc) – some typical TWA (for others refer to USA-ACGIH, OSHA, NIOSH)
NH3: TWA – 25 ppm, STEL – 35 ppmCO2: TWA – 5000 ppm, STEL – 30000 ppmCO: TWA – 30 ppm, STEL- 200 ppmH2S: TWA – 10 ppm, STEL- 15 ppmNO2: TWA – 3 ppm, STEL – 5 ppmNO (Nitric Oxide): TWA - 25 ppmN2O3 (Nitrous Oxide): TWA - 25 PPM (hospitals)Cl2 (Chlorine): TWA – 1 ppmO2 (Oxygen): 19 % Vol (minimum), Air has 20.9 % O2O3 (Ozone): TWA – 0.1 ppm