BOSEAN BH-4M Portable Gas Detector Gas/oxygen/hydrogen sulfide/carbon oxide
Simultaneously test the combustible gas EX/oxygen O2/hydrogen sulfide H2S/carbon monoxide CO, adopt diffusion sample absorption, 2.0 inch high definition color screen, support sound, light, vibration, display quadruple Alarm mode.
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Introduction
This multi-Gas Detector (hereinafter referred to as the Detector) is an intelligent multi-parameter Detector designed using excellent integrated circuit technology, standard intelligent technical level design technology and proprietary digital-analog hybrid communication technology.
The Detector adopts natural diffusion or pumping sampling method for gas sampling, and the sensitive element adopts a good gas sensor for gas detection. It has good sensitivity and excellent repeatability, and is easy to use and maintain, which greatly meets the needs of industrial site safety detection. To meet the requirements of high reliability of the equipment, the shell is made of high-strength engineering plastics and composite anti-slip rubber, which has high strength and good hand feel. It can be widely used in petroleum, chemical industry, environmental protection, smelting, refining, biochemical agriculture, scientific research, universities and other industries and fields.
The Detector can detect 1 to 4 gas combinations according to user needs. It adopts integrated modules and integrates various detection principles such as electrochemistry, catalysis, semiconductor, thermal conductivity, and optics to provide users with reliable, accurate, and safe gas detection solutions.
Features
Adopting a new GUI design scheme, the interface display is more comprehensive and the operation is more user-friendly.
Natural diffusion or pump suction gas detection methods can be selected to detect 1 to 4 gas types at the same time.
It adopts a micro vacuum sampling pump with stable flow, long life and low noise.
It adopts 2.0-inch high-definition color screen and 120-degree wide Viewing Angle.
Button operation mode is easy and intuitive to operate. Supports a variety of extended functions to meet users' different product applications
Product Features
Four alarm modes: sound, light, vibration and display.
Supports switching between real-time data display and real-time curve display mode of gas concentration.
Supports multi-point calibration, up to 5 points.
Multiple data storage methods, alarm storage, manual storage.
Supports switching between Chinese and English, and other languages ââcan be customized.
Large capacity (2800mAh) rechargeable battery for longer use.
The USB interface adopts Type-C interface, so there is no need to worry about forward and reverse plugging.
Support TWA, STEL alarm function
follow standards
GB12358-2006 "General technical requirements for ambient gas detection and alarm devices in workplaces"
GB3836.1-2010 "Explosive environments Part 1: General requirements for equipment"
GB3836.4-2010 "Explosive atmospheres Part 4: Equipment protected by intrinsically safe "i""
GB15322.3-2019 "Combustible Gas Detectors Part 3: Portable combustible Gas Detectors for industrial and commercial purposes"
JJG693-2011 "Calibration Regulations for Combustible Gas Detection and Alarm Devices"
JJG365-2008 "Calibration Regulations for Electrochemical Oxygen Analyzers"
JJG695-2019 "Calibration Regulations for Hydrogen Sulfide Gas Detector"
JJG915-2008 "Calibration Regulations for Carbon Monoxide Detection Alarms"
Bosean BH-4M Gas DetectorSpecifications
| LIST | VALUE |
|---|---|
| Response time | Pump suction T90 < 30s, natural diffusion T90 < 60s |
| Operating Environment | Temperature -10 ℃~ 50C; Humidity < 95% RH (no condensation) |
| Operating Voltage | DC3.7V (Battery Capacity 2500mAh) |
| Display mode | 2.0 inch color display, resolution 320 * 240 |
| Alarm mode | Sound and light vibration display quadruple alarm, TWA/STEL alarm |
| Sampling method | Pump suction, natural diffusion |
| Gas detection | 1~ 4 types of Gas detection |
| data communication | Support USB connection to the upper computer to view data |
| Charger | Type-C charging interface, 5V/1A standard charger |
| standby time | >8h |
| Charging time | <5h |
| Sensors Life | 2 years |
| size | Pump suction type 160 * 69 * 75mm; natural diffusion type 150 * 69 * 55mm |
| Weight | Pump suction Weight is about 372.5g; natural diffusion Weight is about 335g |
| Oxygen O2 range | (0-30)%VOL |
| Oxygen O2 Low Alarm Point | 19.5%VOL |
| Oxygen O2 high alarm point | 23.5%VOL |
| Oxygen O2 resolution | 0.1%VOL |
| Carbon oxide CO range | (0-1000)ppm |
| Carbon oxide CO low alarm point | 50ppm |
| Carbon oxide CO high alarm point | 150ppm |
| CO resolution | 1ppm |
| Hydrogen sulfide H2S range | (0-100)ppm |
| Hydrogen sulfide H2S low alarm point | 10ppm |
| Hydrogen sulfide H2S high alarm point | 35ppm |
| Hydrogen sulfide H2S resolution | 1ppm |
Bosean BH-4M Gas Detector Packing list
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.


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