DP-35 O3 Ozone Gas Detector





The DP-35 O3 is a group of modern small portable gas detectors designed to measure ozone concentrations, in particular when disinfecting and disinsectioning premises.

The DP-35 O3 can be configured additionally to four different gaseous substances using electrochemical, pelistor or infrared sensors depending on the customer’s needs.


Detection of hazardous levels of ozone concentration in the air during and after disinfection and disinfestation, in industrial facilities, municipal facilities, public institutions and other ozone premises.


  • simple operation with two buttons
  • up to 4 substances simultaneously on the screen
  • modern USB-C connector


  • diffusion measurement
  • flow through measurement with hand pump (optional)


  • acoustic alarm
  • display text alarm
  • visual alarm with RGB backlight
  • RGB LED side light alarm
  • vibrating alarm


  • two alarm thresholds for each substance
  • presentation of measuring units
  • calculation of short-term exposure limits STEL exposure for an average of 15 min
  • calculation of time-weighted average exposure for an average of 8h
  • fast charging in 5h
  • long working time over 20h


  • light aluminum housing
  • resistant to work in difficult conditions
  • clip for belt or pocket
  • pendant-leash (optional)


  • bag or carrying case
  • Car charger
  • flash memory for results and threats events

Technical specification:

display graphics with RGB backlighting
visualisation simultaneous presentation of all results
minimum response time 15 seconds
Power supply lithium-ion batteries, rechargeable
battery life >>20h
full charge time 5h
dimensions 60 x 110 x 35 mm
weight < up to 300 g depending on version
working conditions temperature -20°C – +50°C
humidity 5–95 %RH
housing black, aluminum
protection class IP65
DIN EN 60529

Field of use

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Industry sector

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