Description
BH-90A Portable Single Gas Detector for H2
The BH-90A is an excellent option when it comes to reliable and economical portable gas sensors. This sensor is capable of continually detecting multiple gases and rapidly giving you an easy-to-understand reading on the LED display screen. The BH-90A detects a wide range from Ozone’s 0-20 ppm to Carbon Monoxide’s 0-1000 ppm, meaning that although it may not be the most suitable option for personal, more small-scale use, it is a great option when gas detection is needed on a larger scope. The BH-90A comes with the H-Alarm and L-Alarm set at 5ppm and 10ppm, however, these alarm levels are customizable. Whether it be for pipelines, mining shafts or power plants, you can go to work with enhanced piece of mind that you and your co-workers are safe because of the BH-90A’s reliability. Adopting a sturdy and anti-slip casing, the BH-90A promises to be anti-slip and anti-dust. The ruggedness and durability this product offers ensure that it will last until the completion of it’s 2-year life-span. A reliable product that won’t break the bank, the BH-90A Portable Gas Detector is a great fit everyone. To charge the BH-90A, simply plug it into the charging cord that comes with the sensor.
The BH-90A differs from the BH-90 mainly by their battery size, the BH-90A has a slightly larger battery which allows for longer use. The BH-90A also has the option for password management to avoid wrong operation (the BH-90 does not offer this feature).
FEATURES
● Advanced MCU for Low-Power Consumption
● LCD display
● Self-Test Function
● Adjustable alarms
● Two Instant Alarm Points
● Audio, Visual LED and Vibratory Indicators
● Password Protection
● Strong, Durable Rubber Casing Provides Anti-Slip Handle ability
● Available for CO, H2, O2,Combustible gas H2, NH3, SO2, CL2 and formaldehyde etc.
● Rechargeable
● ATEX certificate
SPECIFICATIONS :-
Range: H2: 0-100%LEL
Alarm Point: H2: 25 and 50%LEL instant
Method of Detection: Diffusion
Sensor: H2 Electro-chemical
Display: LCD Temperature: -20℃~50℃
Humidity: 5 to 95% RH, non-condensing
Power: 3.7VDC rechargeable lithium battery
Operating time: Approx.8 hours for LEL unit Approximately 24 hours for CO, H2 and O2 units, Continuous, non- alarm conditions
Charge Time: Approximately 4-6 hours
Dimensions: 100mm*60mm*30mm Sound: 85 dB at 1m
Weight: 130g Ingress
Protection: IP65
Specifications
| Gas Type | H₂ |
|---|---|
| Measuring range | 0-100 ppm |
| Output signal | 4-20 mA |
| Measurement Range | 0–25% Vol |
| Alarm type | Audible+Visual |
| Sampling Method | Pump suction |
| Power supply | Battery |
| Display Type | LCD |
| Ingress rating | IP65 |
| Detector type | Handheld |
| Sensor type | Electrochemical |
| Response time | T90 <10 s |
| Certifications | CE |
| Minimum order quantity | 1 Piece |





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