BH-90 Portable Ozone Detector

The BH-90 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-90 incredibly easy to operate and the shell uses high strength material and anti-slip rubber, creating a detector that is water-proof and dust-proof.

This sensor has a range of 0-10ppm and a resolution of 0.1ppm.


The BH-90 Portable Ozone Detector is the perfect fit for discovering ozone leaks in a variety of applications. Although this detector’s 0-10 ppm (and resolution of 0.1ppm) measuring may not be the most suitable product for use on a personal level, it is a great fit for Ozone detection on a larger scale (whether that be with pipelines, mining tunnels, power plants, etc.). The BH-90 brings peace of mind by ensuring that your employees or fellow co-workers are not going to be in danger while on the job. The rugged anti-slip rubber makes the BH-90 a dust-proof and slip-proof detector that you know will last the 2-year lifespan it promises. With an easy-to-read display screen, and a simple four button layout, this portable detector was designed to bring you maximized simplicity and absolute usability. If you’re looking for an economically savvy Ozone detector that won’t quit on you, the BH-90 Portable Ozone Detector is a great fit. The BH-90 comes with a cord and wall-port for easy charging.


Your Bosean sensor will need to be sent back to us to be calibrated. Please click here to see more information on our calibration services, as well as our calibration pricing. Contact Us Today to get your sensor calibrated. *Please Note: There may be additional costs depending on replacement sensor pricing.


Key Features:

  • Adjustable low and high alarm level 
  • Low battery indication
  • Self-adjustment function
  • Visual and audible alarm with vibration


  ≦ 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

  DC3.6V Li battery 1200mAh

 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 0-10ppm 5ppm 10ppm


Downloadable Content:

User Manual

More Information
Manufacturer Bosean
Call For Price No
Gas Ozone (O3)
Range 0-20 or 0-1 ppm
Sensor Range 0-1 ppm, 0-20 ppm
Resolution 0.1 ppm
Audible Alarm Yes
Calibration Replace sensor after failure
Sensor Life 2 Years
Sensor Features Cost Effective, Dust Proof, Three Alarm Methods, Built-In Flashlight
Response Time T<30s
Sampling Method Fan
Alarms Low: 5 ppm - High: 10 ppm
Field Replaceable Battery Yes
Warranty 1 Year
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