ZRN-Q402 combustible gas detectors

ZRN-Q402 combustible gas detectors
 

Product description:

ZRN-Q402 combustible gas detectors Our products are widely used in, among steel and other metal fabrication, chlorine plant, acetylene plant, refrigeration plant, chemical plant, gas station area, boiler room, the hotel kitchen operations require fire and explosion of anti-virus sites.

ZRN-Q402 Combustible Gas Detector , Using high-performance catalytic combustion, electrochemical gas sensor as the detection element, high sensitivity, fast response time, the product is a die-cast aluminum forming shell, explosion proof, easy installation.
ZRN-Q402 Combustible Gas Detector Can be detected: combustible gas categories: natural gas (methane), liquefied petroleum gas (isobutane, propane), gas (hydrogen), acetylene, pentane, alkynes, alkenes, alcohols, acetone, toluene, light oil and other liquids steam toxic gas categories: carbon monoxide, hydrogen sulfide, ammonia, chlorine, oxygen, phosphine, sulfur dioxide, hydrogen chloride, chlorine dioxide and a variety of toxic gases.
feature of product:
• Detection principle: catalytic combustion / electrochemical
• Sampling methods: natural diffusion
• Explosion levels: EXdⅡCT6
• Humidity: (98% RH
• Power source: DC24V 50mA
• Output: three-wire 0 / 4-20mA
• Weight: about 1000g
• Dimensions: I * b * h, mm: 150 * 150 * 60
• Install gong pattern: G 1/2 • Use cables:) 1.5mm2 x 3

meets the EMC standard 89/336 / EEC (depending on the type of sensor to detect different gases, respectively)
Output signal: standard Current: 4 ~ 20mA, standard RS485 interface, low limit alarm relay output (alarm: 1 ~ 25% LEL), high alarm relay output (alarm point 50% LEL), relay contact capacity: DC30V / 1A ※ measurable gases: natural gas, liquefied petroleum gas, CH4 (methane), C2H6 (ethane), C3H8 (propane), C4H10 (butane), C5H12 (pentane), C6H14 (hexane) C7H16 (heptane), C8H18 (octane), H2 (hydrogen), C2H4 (ethylene), CH4O (methanol), C2H5O (ethanol), C3H8O2 (propylene glycol), (CH3) 2CO (acetone), C4H8O (meth acetone ), C6H12O (methyl ketone), C6H12 (cyclohexane), (C2H5) 2O (diethyl ether), C4H8O2 (ethyl acetate), C7H8 (toluene), C8H10 (xylene), C2H2 (acetylene), etc.