GH-702 Portable 5 in 1 Multi Gas Detector-Zhengzhou Kesa Electronics Co., Ltd.

GH-702 Portable 5 in 1 Multi Gas Detector

The Kosa GH-702 five in one gas detector is a multi gas detector that can simultaneously detect up to 5 gases. It is compact, portable, powerful, and easy to operate; GH-702 adopts a free diffusion sampling and gas detection method, and can be optionally equipped with a miniature silent sampling pump that can be flexibly changed to an inhalation detection method; Adopting an LCD screen display, it intuitively displays information such as gas concentration, range, alarm status, etc. The clear and simple button operation makes the operation more concise and easy to understand; GH-702 has stable performance, high sensitivity sensors, high accuracy, accurate measurement, strong interchangeability, and high reliability; The shell is sturdy, durable, anti slip (with adhesive design), waterproof, dustproof, and explosion-proof, making it a safe gas leak alarm detector that meets the requirements of explosion-proof places;

Application：

Petrochemical, industrial production, smelting and forging, power, communication, coal mining, tunnel engineering, environmental monitoring, sewage treatment, biopharmaceuticals, home environmental protection, animal husbandry, greenhouse cultivation, warehousing and logistics, brewing and fermentation, agricultural production fire protection, gas, building construction, municipal enterprises, school laboratories, scientific research centers.

Online inquiry +86 0371-66616601

Product Introduction
Applicable gas
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Product Introduction

Functional Features
The Xhosa GH-702 handheld five-in-one gas detector has powerful functions and can meet various detection functions requirements on the inspection site;
With calibration function and zero point calibration function, it makes gas monitoring more accurate and reliable;
With temperature and pressure compensation, it can perfectly achieve compensation for gas concentration under different temperature and pressure environments;
Two-level sound, light, and vibration alarms, and the alarm point can be set by itself;
Large-capacity lithium polymer rechargeable battery ensures ultra-long standby time;
Switch between free diffusion and pump suction mode;
Use original imported high-precision and high-sensitivity sensors;
Data storage function, which can store 999+ pieces of alarm information;
It can display gas types and multiple gas concentration units (PPM, %VOL, %LEL);
Flexible combination configuration of multiple gases to meet various measurement requirements;
Technical Specifications

Detection principle	Catalytic combustion principle, electrochemistry, NDIR infrared, PID photoion
Sampling method	Pump-suction/free diffusion
Quantity range	See the Applicable Gas Form
Resolution	1%LEL、0.1%VOL、1PPM、0.1PPM
Data storage	Can store tens of thousands of data, and high-speed data transmission of USB interface
Response time	≤10S
Recovery time	≤10S
Repeatability	≤±1%
Linear Error	≤±1%
Zero point drift	≤±1% (FS/year)
Display technology	LCD dot matrix display
Operating temperature	-40℃～70℃
Working humidity	0-95%RH
Explosion-proof level	ExiaⅡCT4
Protection level	IP66
Alarm method	Sound, light, vibration
Working hours	100 hours (off the pump)
Power supply method	Lithium-ion battery
size	2057532mm
weight	300g.

Applicable gas

Gas type	Chemical formula	Range	Alarm value	toxicity	Sensor Type
Ammonia	NH3	0-100 PPM	25 PPM / 50 PPM	Low poison	Electrochemistry sensor
Chlorine	Cl2	0-50.0 PPM	10PPM / 20 PPM	Stimulate
hydrogen	H2	0-1000 PPM	50 PPM / 100 PPM
formaldehyde	CH2O	0-100 PPM	25 PPM / 50 PPM
oxygen	O2	0-30.0%vol	18.5%vol/23.5%vol
Hydrogen sulfide	H2s	0-100 PPM	10 PPM / 20 PPM	nerve
Hydrogen chloride	HCl	0-30.0 PPM	5.0 PPM / 10.0 PPM
Hydrogen cyanide	HCN	0-50.0 PPM	5.0 PPM / 10.0 PPM	Very poisonous
Hydrogen Phosphide	PH3	0-20.0 PPM	3.0 PPM / 5.0 PPM
Hydrogen fluoride	HF	0-10.0 PPM	3.0 PPM / 5.0 PPM
Nitrogen monoxide	NO	0-250 PPM	25 PPM / 50 PPM
Carbon monoxide	CO	0-500 PPM	35 PPM / 70 PPM
Sulfur dioxide	So2	0-20.0 PPM	2.0 PPM / 4.0 PPM
Chlorine dioxide	ClO2	0-50.0 PPM	3.0 PPM / 5.0 PPM
Nitrogen dioxide	NO2	0-20.0 PPM	3.0 PPM / 5.0 PPM
Ethylene oxide	C2H4O	0-100 PPM	10 PPM / 20 PPM	medium
ozone	O3	0-10.0 PPM	3.0 PPM / 5.0 PPM	Stimulate
Methane	CH4	0-100%LEL	25%LEL / 50%LEL		Catalytic combustion sensor
Propane	C3H8	0-100%LEL	25%LEL / 50%LEL
hydrogen	H2	0-100%LEL	25%LEL / 50%LEL
Ammonia	NH3	0-100%LEL	25%LEL / 50%LEL
Ethane	Ch3ch3	0-100%LEL	25%LEL / 50%LEL
Ethylene	C2H4	0-100%LEL	25%LEL / 50%LEL
Butane	C4H10	0-100%LEL	25%LEL / 50%LEL
Butene	C4h8	0-100%LEL	25%LEL / 50%LEL
Toluene	C7H8	0-100%LEL	25%LEL / 50%LEL	Low poison
Methanol	CH4O	0-100%LEL	25%LEL / 50%LEL
Ethanol	C2H6O	0-100%LEL	25%LEL / 50%LEL
Aceraldehyde	C3h4o	0-100%LEL	25%LEL / 50%LEL
Dimethylamine	C2H7N	0-100%LEL	25%LEL / 50%LEL
Vinyl chloride	C2H3Cl	0-100%LEL	25%LEL / 50%LEL
Trimethylamine	C3H9N	0-100%LEL	25%LEL / 50%LEL
Hydrogen bromide	CH3BR	0-100%LEL	25%LEL / 50%LEL
Ethylene oxide	C2H4O	0-100%LEL	25%LEL / 50%LEL
Paraxylene	C8H10	0-100%LEL	25%LEL / 50%LEL
carbon dioxide	CO2	0-10.0%vol	1.0%vol / 3.0%vol		Infrared sensor
carbon dioxide	CO2	0-5000ppm	800 PPM / 1500 PPM		Infrared sensor
Methane	CH4	0-5.0%vol	1.0%vol / 3.0%vol		PID sensor
Methane	CH4	0-100%vol	5%vol / 10%vol
Volatile organic compounds	VOCs	0-300ppm	50 PPM / 100 PPM

Appendix 1: In addition, gasoline, diesel, natural gas, formaldehyde, liquefied gas and other gases can be made.
Appendix 2: Due to the large number of gases, it is impossible to write them out one by one. If there is a gas you need to detect that is not displayed, please call the company for consultation.

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