Crowcon Smart 3G-D2 Fixed Gas Detector Crowcon
Non-Intrusive Calibration :
▪ Accurate, easy adjustment via Hall-effect switches
▪ Non-intrusive field calibration via magnetic pen
▪ Suitable for all industrial environments
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WITH CATALYTIC SENSOR
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WITH ELECTROCHEMICAL SENSOR
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WITH INFRARED SENSOR
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INTRINSICALLY SAFE DETECTOR
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SIZE
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H145 x W187 x D108 mm (5.7 x 7.4 x 4.25ins)
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H138 x W200 x D119 mm (5.4 x 7.9 x 4.7ins)
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WEIGHT
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1.9kg
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2.7kg
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ENCLOSURE MATERIAL
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Aluminium pressure die-casting with epoxy paint chromating and chemically resistant
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INGRESS PROTECTION
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IP65
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CONNECTION
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3 x 3/4” NPT
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POWER
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12-24 Vdc
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DISPLAY
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7-segment display, 5 status LEDs and 4 intelligent LED
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ELECTRICAL OUTPUT
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Analogue 4-20 mA output; 3 relay board; serial RS485 output (optional)
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Analogue 4-20 mA output; 1 or 3 relay boards (optional); serial RS485 output (optional)
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OPERATING TEMPERATURE
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-40 / +60°C
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-30 / +55°C
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-40 / +60°C
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-20 / +50°C
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HUMIDITY
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20 / 90% RH @40°C
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15 / 90% RH non-condensing
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20 / 90% RH @40°C
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15 / 90% RH non-condensing
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RESPONSE TIME
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t90 < 60 s ; t50 < 20 s
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t90 < 60 s ; t50 < 20 s
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PERFORMANCE
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Tested following EN 60079-29-1 standard
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Tested following EN 60079-29-1 standard
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FUNCTIONAL SAFETY
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SIL2 hardware and SIL3 software
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APPROVALS
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EMC, ATEX, IECEx
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| SENSOR TYPE | |
| Acetic Acid (CH3COOH) | Catalytic sensor |
| Acetone (C3H6O) | Catalytic sensor / Infrared sensor |
| Acetylene (C2H2) | Catalytic sensor |
| Ammonia (NH3) | Catalytic sensor / Electrochemical sensor |
| Benzene (C6H6) | Catalytic sensor |
| Butadiene (C4H6) | Infrared sensor |
| Butane (C4H10) | Catalytic sensor / Infrared sensor |
| Carbon Monoxide (CO) | Catalytic sensor / Electrochemical sensor |
| Chlorine (CL2) | Electrochemical sensor (intrinsically safe detector) |
| Cyclohexane (C6H12) | Catalytic sensor / Infrared sensor |
| Cyclopentane (C5H10) | Catalytic sensor |
| Dimethyl ether (C2H6O) | Infrared sensor |
| Ethane (C2H6) | Catalytic sensor / Infrared sensor |
| Ethanol (C2H6O) | Catalytic sensor / Infrared sensor |
| Ethyl Acetate (C4H8O2) | Catalytic sensor / Infrared sensor |
| Ethyl Ether ((C2H5)2O) | Catalytic sensor |
| Ethylene (C2H4) | Catalytic sensor |
| Ethylene Oxide (C2H4O) | Catalytic sensor |
| Heptane (C7H16) | Catalytic sensor / Infrared sensor |
| Hexane (C6H14) | Catalytic sensor / Infrared sensor |
| Hydrogen (H2) | Catalytic sensor / Electrochemical sensor |
| Hydrogen Cyanide (HCN) | Electrochemical sensor (intrinsically safe detector) |
| Hydrogen Sulphide (H2S) | Electrochemical sensor |
| ISO Butane (C4H10) | Catalytic sensor / Infrared sensor |
| ISO Butyl Alcohol ((CH3)2CHCH2OH) | Catalytic sensor |
| ISO Pentane (C5H12) | Catalytic sensor |
| ISO Propyl Alcohol (C3H8O) | Catalytic sensor / Infrared sensor |
| Isobutylene (C4H8) | Infrared sensor |
| JP8 | Catalytic sensor |
| LPG | Catalytic sensor / Infrared sensor |
| Methane (CH4) | Catalytic sensor / Infrared sensor |
| Methanol (CH3OH) | Catalytic sensor |
| Methyl Ethyl Ketone (MEK) | Catalytic sensor |
| Nitric Oxide (NO) | Electrochemical sensor |
| Nitrogen Dioxide (NO2) | Electrochemical sensor (intrinsically safe detector) |
| Nonane (C9H20) | Catalytic sensor |
| Oxygen (O2) | Electrochemical sensor |
| Pentane (C5H12) | Catalytic sensor / Infrared sensor |
| Petrol Vapours | Catalytic sensor / Infrared sensor |
| Propane (C3H8) | Catalytic sensor / Infrared sensor |
| Propyl alcohol (C3H8O) | Catalytic sensor |
| Propylene (C3H6) | Catalytic sensor / Infrared sensor |
| Styrene (C8H8) | Catalytic sensor |
| Sulphur Dioxide (SO2) | Electrochemical sensor (intrinsically safe detector) |
| Toluene (C7H8) | Catalytic sensor |
| Tri-Methylbenzene (C9H12) | Catalytic sensor |
| Vinyl Acetate (C4H6O2) | Catalytic sensor |
| Xylene (C8H10) | Catalytic sensor |
| SENSOR TYPE | |
| R152a | Infrared sensor |
| R454B | Infrared sensor |
| R32 | Infrared sensor |
| R134a | Infrared sensor |
| SF6 | Infrared sensor |
| R125 | Infrared sensor |
| R1234yf | Infrared sensor |
| R1234ze | Infrared sensor |
| R404A | Infrared sensor |
| R407A | Infrared sensor |
| R407F | Infrared sensor |
| R449A | Infrared sensor |
| R507A | Infrared sensor |
| R410A | Infrared sensor |
| R417A | Infrared sensor |
| R448 | Infrared sensor |
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