Gas detection alarm transmitter
Product model:JN20
Product overview
Imported sensors and chips, advanced signal acquisition technology, fast response time, high detection accuracy, automatic zero correction, temperature compensation and range switching function; The surface is sprayed with special technology, with exquisite and small appearance, waterproof and corrosion resistance, and the service life can reach 5 years.
Technical parameter
Model | JN20 1- 2 |
Detection gas | Combustible gas and toxic gas/VOCs |
Detection principle | Catalytic combustion, fluorescence quenching / electrochemistry / infrared |
Explosion proof grade | ExdIICT6Gb |
Degree of protection | IP66 |
Response time | T90〈30S |
Signal output | 4-20mA、RS485、HART agreement |
Switching value output | 2 groups |
Rated voltage | DC24V |
Operation mode | infrared remote control |
Other functions | Anti interference, anti isolation, anti lightning, tool free disassembly and maintenance, one key calibration / calibration, hot plug sensor replacement, 24V anti reverse connection and upper cover locking function. |
Application area
Leakage detection of combustible gas and toxic gas in petroleum and chemical industry
Leakage detection of combustible gas and toxic gas in pharmaceutical and pesticide industries
Concentration detection in coating and spraying industry (c7h8, C8H10)
Laboratory combustible gas and toxic gas leakage detection
Fumigation gas detection in tobacco industry
Gas leakage detection of logistics, food industry and cold storage (NH3)
Underground parking lot (CO) gas concentration detection
Detection of toxic gas concentration in water treatment industry (H2S, Cl2, CO)
Leakage detection of combustible gas and toxic gas in iron and steel, coking, gas making and chemical fertilizer industries
Detection of (SF6, O2) gas leakage in high voltage switchgear of power plant and transmission and Transformation Substation
System composition
Product features
Operation mode
Infrared remote control, cover free debugging and setting
Shell process
The shell is sprayed with anti-corrosion coating and mold opening process, with protection grade of IP66, dustproof, waterproof and anti-corrosion
Anti reverse connection function
Avoid instrument damage caused by reverse connection of positive and negative electrodes
Applicable to explosion-proof area
Intrinsically safe and explosion-proof composite instrument, which can meet the severe use area
signal acquisition
16 bit ADC digital to analog conversion to meet micro oxygen data acquisition with higher accuracy. Signal output: 4-20mA, RS485 and HART protocol signal output are optional
Easy maintenance
One click calibration / calibration, tool free disassembly and maintenance, hot plug and replacement of sensor components
Intelligent display
Self luminous OLED display, wide viewing range from multiple angles
Application case
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Company profile
System
Online monitoring system for oxygen content of centrifuge
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Contact
Leyu town (Lefeng Road) Industrial Park, Zhangjiagang City, Jiangsu Province
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