BOSEAN BH-90M-CH2O formaldehyde Gas Detector
Range 0-20ppm, resolution 1/0.1 ppm, unit ppm, suitable for gas formaldehyde, its advanced large-scale integrated circuit technology, in line with international intelligent technical standards, gas detection through natural diffusion, with good sensitivity and repeability.
Bosean
BH-90M-CH2O
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Introduction
BH-90M series Gas Detector stands out in the industry with its good performance and reliable technology. It adopts industrial-grade sensors and micro-control technology, has fast response, high-precision measurement capabilities, and excellent stability and repeatability, and is praised as the industry's advanced level. The designers drew design inspiration from the pebbles and designed the main body of the product to be as rounded as possible, avoiding the appearance of edges and corners, making it small and durable in appearance. The shell is made of high-strength engineering plastics and covered with composite anti-slip rubber, which not only has high strength and good feel, but also has the characteristics of waterproof, dustproof and explosion-proof.
Its advanced large-scale integrated circuit technology is in line with international intelligent technology standards. Gas detection by natural diffusion with very good sensitivity and repeatability. It is very convenient to use and maintain, which greatly meets the needs of high reliability of equipment for industrial site safety monitoring. The shell is also made of high-strength engineering plastics, covered with composite anti-slip rubber, which ensures the strength and feel of the product, and has multiple protection functions such as waterproof, dustproof and explosion-proof.
Scope of application
BH-90M series Gas Detector has been widely used in petroleum, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agriculture and other industries. Its application in explosion-proof, toxic gas leakage rescue, underground pipelines, mines, metallurgy, power plants, chemical industry, tunnels, tunnels and other places effectively prevents the occurrence of poisoning accidents and ensures the life safety of staff and the integrity of production equipment.
Meets standards
GB3836.1—2010 "Explosive atmospheres – Part 1: General requirements for equipment"
GB3836.4—2010 "Explosive atmospheres – Part 4: Equipment protected by intrinsically safe type "i"
GB12358—2006 "General Technical Requirements for Workplace Ambient Gas Detection and Alarm Instruments"
GB15322.3—2019 Combustible Gas Detectors Part 3: Portable Combustible Gas Detectors for Industrial and Commercial Use
JJG693—2011 "V.R. for Combustible Gas Detection Alarms"
JJG365—2008
JJG695—2019 "V.R. for Hydrogen Sulfide Gas Detectors"
JJG915—2008 "V.R. for Carbon Monoxide Detection Alarms"
Serial models
| The gas to be measured | Measuring range | Selectable measuring ranges | resolution | Alarm point |
| Combustible EX | 0-100%lel | 0-100%vol (infrared) | 1%lel/1%vol | Low: 20 High: 50 |
| Oxygen O2 | 0-30%vol | 0-30%vol | 0.1%vol | Low: 19.5% High: 23.5% vol |
| Hydrogen sulfide H2S | 0-100ppm | 0-50/200/1000ppm | 0.1/1ppm | Low: 10 High: 20 ppm |
| Carbon monoxide CO | 0-1000ppm | 0-500/2000/5000ppm | 1ppm | Low: 50 High: 150 ppm |
| Carbon dioxide CO2 | 0-5000ppm | 0-1%/5%/10%vol (infrared) | 1ppm/0.1%vol | Low: 1000 High: 2000 |
| Nitric oxide NO | 0-250ppm | 0-500/1000ppm | 1ppm | Low: 50 High: 150 ppm |
| NO2 nitrogen dioxide | 0-20ppm | 0-50/1000ppm | 0.1ppm | Low: 5 High: 10 ppm |
| Sulfur dioxide SO2 | 0-20ppm | 0-50/1000ppm | 0.1/1ppm | Low: 5 High: 10 ppm |
| Chlorine CL2 | 0-20ppm | 0-100/1000ppm | 0.1ppm | Low: 5 High: 10 ppm |
| Hydrogen H2 | 0-1000ppm | 0-5000ppm | 1ppm | Low: 50 High: 150 ppm |
| Ammonia NH3 | 0-100ppm | 0-50/500/1000ppm | 0.1/1ppm | Low: 20 High: 50 ppm |
| Phosphine PH3 | 0-20ppm | 0-20/1000ppm | 0.1ppm | Low: 5 High: 10 ppm |
| Hydrogen chloride HCl | 0-20ppm | 0-20/500/1000ppm | 0.001/0.1ppm | Low: 5 High: 10 ppm |
| Chlorine dioxide CLO2 | 0-50ppm | 0-10/100ppm | 0.1ppm | Low: 5 High: 10 ppm |
| Hydrogen cyanide HCN | 0-50ppm | 0-100ppm | 0.1/0.01ppm | Low: 10 High: 20 ppm |
| Epoxyacetylene C2H4C | 0-100ppm | 0-100ppm | 1/0.1ppm | Low: 20 High: 50 ppm |
| Ozone O3 | 0-10ppm | 0-20/100ppm | 0.1ppm | Low: 2 High: 5 ppm |
| Formaldehyde CH2O | 0-20ppm | 0-50/100ppm | 1/0.1ppm | Low: 5 High: 10 ppm |
| Hydrogen fluoride HF | 0-100ppm | 0-1/10/50/100ppm | 0.01/0.1ppm | Low: 2 High: 5 ppm |
| Xylene/toluene | 0-20ppm | 0-1/10/50/100ppm | 0.01/0.1ppm | Low: 5 High: 10 ppm |
Bosean BH-90M-CH2O Gas DetectorSpecifications
| LIST | VALUE |
|---|---|
| range | 0-20ppm |
| Resolution | 1/0.1ppm |
| unit | ppm |
| applicable gas | Formaldehyde |
| alarm point | It can be set manually, and the default alarm points for different gases are different. |
| Response time | T90<60s |
| Instruction method | LCD Real-time Data Display, System Status Light Emitting Diode, Sound, Vibration Indication Alarm and Low Battery Prompt |
| Operating Environment | Temperature -10~55 ℃; Humidity < 95% RH No condensation |
| Working Voltage | DC3.7V (lithium battery) |
| Explosion-proof sign | ExibIICT4Gb |
| Charging time | 4~6h |
| Operating Time | Continuous use of not less than 8h |
| Sensors Life | 2 years (depending on the environment) |
| size | 114 * 60 * 43Mm (without portable accessories) |
| Weight | ≤ 172G (without portable accessories) |
Bosean BH-90M-CH2O 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.
