Meridian Brochureเครื่องตรวจจับแก๊สแบบติดตั้ง
รองรับเซ็นเซอร์ตรวจจับแก๊สติดไฟและเป็นพิษได้ ออกแบบมาเพื่อให้ใช้งานง่ายและบำรุงรักษาสะดวก
ด้วยการรับรองระดับโลก SIL2 จาก TUV-Rheinland
คุณสมบัติที่สำคัญ
| Sensor Types | Combustible: Catalytic bead, Infrared sensors Electrochemical: Standard and Scott Rock Solid sensors Solid State: Metal Oxide Semiconductor sensor *Please find sensor details in Additional Information tab* |
| Weight | Aluminum enclosure: 3 kg Stainless steel enclosure: 5 kg |
| Enclosure | Copper-free aluminum, 316 stainless steel NEMA 4X, IP66 Protection |
| Communication | 4–20 mA, MODBUS; Optional HART, Wireless HART, ISA100.11A protocols available |
| Maximum 4–20 loop load, OHMS (@24 VDC) | 680 Ohms current source 680 Ohms current sink |
| Operating Voltage 3/4 wire | 10-30 VDC (24 VDC nominal) |
| Power Consumption | 2.2 - 3.2 Watts based on sensor configuration |
| Alarms | 3 programmable alarms with set and reset (adjustable deadband); 1 fail safe system fault |
| Relays | 4 Form C relays, rated 5 Amp at 30 VDC/240 VAC, resistive loads |
| Display | Graphical LCD display visible in bright sunlight. |
| Operating Temperature | -40°C to 75°C |
| Humidity | 5–95% RH (non condensing) |
| Global Approvals | IECEx, cCSAus, ATEX, INMETRO, EURASIAN CUSTOMS UNION, CHINA EX, CCCF, RCM, FCC, INDUSTRY CANADA, CE, ANATEL, MARINE DIRECTIVE SHIP'S WHEEL, ABS, SIL-2 (Third Party Certification by TUV-Rheinland) |
| Area Classification | Class I Div. 1 Group ABCD, Class II Div. 1 Group EFG, Class III Equipment Group I/II, Zone 0/20 & Zone 1/21, IIC |
| Combustible Gas List | Acetaldehyde / Acetone / Acetylene / Ammonia / Benzene / Butadiene / Butane / Butanol / Butyl Acetate / Chlorobenzene / Cyclohexane / Decane / Diethyl Ether / Ethane / Ethanol / Ethyl Acetate / Ethylbenzene / Ethylene / Ethylene Oxide / Heptane / Hexane / Hydrogen / Isobutane / Isobutylene / Isopentane / Isopropanol / Methane / Methanol / Methyl Chloride / Methylene Chloride / Methyl Ethyl Ketone (MEK) / Octane / Octamethyl / Trisiloxane / Pentane / Propane / Propylene / Propylene Oxide / Styrene / Tetrahydrofuran / Toluene / Vinyl Chloride / Xylene |
|---|---|
| Toxic Gas List | Ammonia / Arsine / Boron Trichloride / Boron Trifluoride / Bromine / Carbon Dioxide / Carbon Monoxide / Chlorine / Chlorine Dioxide / Diborane / Ethylene Oxide / Fluorine / Germane / Hydrogen / Hydrogen Bromide / Hydrogen Chloride / Hydrogen Cyanide / Hydrogen Fluoride / Hydrogen Sulfide / Methanol / Methyl Mercaptan / Methyl Iodide / Monomethyl / Hydrazine (MMH) / Nitric Oxide / Nitrogen Dioxide / Oxygen / Ozone / Phosphine / Silane / Silicon Tetrafluoride / Sulfur Dioxide / Tetraethoxysilane (TEOS) / Tungsten Hexafluoride |
