BH-90A Portable Ozone Detector

The BH-90A Portable Ozone Detector can make continuous detection of ozone gas. This high-quality sensor makes detection from natural diffusion, and has great sensitivity. The simple display makes the BH-90A incredibly easy to operate and the shell uses high strength material and anti-slip rubber, creating a detector that is water-proof, dust-proof, and even explosion-proof.


The BH-90A is an excellent option when it comes to reliable and economical portable Ozone sensors. This sensor is capable of continually detecting for Ozone and rapidly giving you an easy-to-understand reading on the LED display screen. The BH-90A detects ozone from 0-1 ppm, meaning that although it may not be the most suitable option for personal, more small-scale use, it is a great option when Ozone detection is needed on a larger scope. 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, anti-dust, and even anti-explosion. 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 Ozone Detector is a great fit everyone.


Key Features:

  • Adjustable low and high alarm level                 
  • Adjustable calibrating level
  • Low battery indication
  • Self-adjustment function
  • Visual and audible alarm with vibration
  • Password management to avoid wrong operation
  • Explosive proof housing


≦ 5% Full Scale

Response time



LCD indicates the time and state Indication of alarm, fault and low voltage with LED, sound, vibration

Operating Environment

Operating temperature -40℃~70℃ (for combustible gas)

Operating temperature: -20℃~50℃ (for toxic gas)


<95%RH non-condensing   

Operating voltage

DC3.7V Li battery 1500mAh

Working time

≧8h continuously 

Charging time


Sensor life

2 years

Protection category



about 130g (including battery but without accessories)





Model Range L-Alarm H-Alarm
O3 0-20ppm 5ppm 10ppm
More Information
Manufacturer Bosean
Call For Price No
Gas Ozone (O3)
Range 0-20 ppm
Resolution 0.0
Response Time T<30s
Sampling Method Fan
Alarms Low : 5ppm - High : 10ppm
Field Replaceable Battery Yes
Warranty 1 Year
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