Zhengzhou Kesa Electronics Co., Ltd.

China Manufacturer with main products: Gas Detector, Thickness Meter, Gas Monitor, Ultrasonic Thickness Gauge, portable gas detector, fixed gas detector, combustible gas detector,...

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fixed gas transmitter with LED display and sound light alarm

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Product Details

Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

Fixed online gas detector KB-501SG employs advanced Catalytic Combustion or Electrochemical sensor and microcontroller, and SMD technology. It has good repeatability,high resistance to humidity-temperature jamming, long working life and easy operation.

Gas detector KB-501SG can translate the target gas concentration signals into digital signals for display. Three-wire system 4~20mA electric current signals output, with long-distance transmission and good anti-interference capacity. In addition, it has two-stage alarm function with acoustic and visual signals.

KB501SG is applied to gas safety inspection and alert for industrial working place, such as Petroleum Refinery, Chemical Plants, LPG stations, Boiler Rooms, Gas Stations, Paint Spray Booths, etc.

Features

1. Cast aluminium housing;
2. Advanced Catalytic Combustion or Electrochemical sensor;
3. Intrinsically safety circuit design;
4. High brightness LED digital display, clear and direct;
5. Timely alert with acoustic and light alarm signals;
6. Three-wire system 4~20mA standard signals output and long distance transmission;
7. Possible to connect to DCS system directly;
8. The probe has such advantages as: high sensitivity, quick-response capacity, long working life and short polarization time.
9. With a manual controller (optional units) used for adjustment of parameter;
10. Function of infrared remote control operation (remote-control is optional units).

Technical Specifications of KB-501SG Combustible/Toxic/O2 Gas detector
Detectable Gas 1. Combustible/Flammable/Explosive gas
Detecting Range 0~100% LEL
Alarm Threshold Low: 25% LEL / High: 50% LEL
Detectable Gas 2. Oxygen (O2)
Detecting Range 0~30VOL%
Alarm Threshold (Two-stage) Low: 18.5% VOL High: 23.5% VOL
Detectable Gas 3. Toxic/Poisonous/Hazardous gas (CO, H2S, etc.)
Detecting Range Refer to the gas parameter list
Alarm Threshold Refer to the gas parameter list
Sensor Type Catalytic Combustion sensor(Combustible gas); Electrochemical sensor(Toxic and Oxygen)
Working Environment Temperature: -20~55°C; Humidity: ≤95% RH (non-condensing)"
Working Voltage 16~30V DC
Working Current ≤170mA(Combustible gas); ≤50mA(Toxic and Oxygen)
Power Consumption <3W(Combustible gas); <1 W(Toxic and Oxygen)
Display High brightness LED digital display
Output Signals Three-wire system 4~20mA standard signals output
Alarm Output Two-way electrical relay tip output (30V 2A)
Alarm Signal Acoustic and light signals alert
Installation Means Wall mounted
Transmission Distance ≤1000m
Explosion-proof Type Explosion insulating
Explosion-proof Index Ex d IIC T6
Protection Grade IP65
Remark: The detecting range and alarm threshold value can be adjusted according to customer's request.

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