The digital dissolved ozone controller DOZ-3000 is a panel mount unit that provides accurate measurements of dissolved ozone in aqueous solutions . Two options are available 0 to 2 ppm or 0-20 ppm.



In stock (can be backordered)



 The DOZ3000  Dissolved Ozone Controller  is a panel mount  controller that measures dissolved ozone levels in aqueous solutions. Two ranges are available 0-2 ppm , as well as 0-20 ppm .

The unit includes a flow cell , as well as  a dissolved ozone probe. We also provide a wall mount option , which is the DOZ-6000 unit

Dissolved Ozone Controller with automated temperature compensation.

Quick Overview – DOZ -3000 Dissolved Ozone Controller.


1.  Three electrode method without membrane , accurate measurement and is  similar to the DPD method.

2.  IP65 rated, dustproof and waterproof.

3.  Simple operation, fast calibration.

4.  4~20mA isolated current output for external control of ozone generator.

5.  Designed to be used in rugged industrial applications.

6.  Dual password protection: prevents unauthorised access.

7.  Two way relay switch control,  allowing for relevant parameters to be set.

8.   Optional RS485 Modbus Protocol – please specify when ordering.

9.   Users can set their own cleaning frequency and time.

10. Switching power supply 85~260VAC or 12~36VDC

11.CE Certification




Model DOZ-3000
Dissolved Ozone Measuring rate 0.000-2.000mg/L or0.00-20.00mg/L
Resolution 0.001mg/L or 0.01mg/L
Temperature Measuring Accuracy 1%±1 LSD
Measuring rate -10.00~110.0ºC
Resolution 0.1ºC
Measuring Accuracy ±0.3ºC
Temperature input 22KΩ/PT1000
Signal output Temperature compensation automatic
Output range 4~20MA (adjustable)
Current accuracy 1%F.S.
Data interface Output loading <500Ω
On off control RS485 RS485 Modbus protocol
Other parameters Control method 2SPST relay
Load capacity 2.5A 230VAC
Cleaning/alarm relay optional
Working power supply 85~260VAC or 13~36 VDC
Working temperature 0~60ºC
Working humidity <90%
Levels of protection IP65
Method of installation Panel-mounted
Outline dimension(mm) 108*108*156
Cut size 94.5*94.5mm
Weight 0.6kg

Additional information

Weight 2 kg
Dimensions 10 x 10 x 30