The Testomat® PRO CA self clean process meter automatically determines and monitors the calcium hardness in water by titration. It will provide you with a lot of new functions additionally to the approved functions of the Testomat series which are: integrated SD card, firmware update and Import and export of settings via SD card, automatic programmable self-cleaning of the measuring chamber and many more.


  • cooling tower monitoring
  • boiler houses
  • food industry
  • and many more

Measuring range

0 to 33 °dH / 0 to 587 ppm CaCO3 calcium hardness

Technical Data

Power supply: multi voltage power supply unit 100-240 VAC +/- 10%, 50/60 Hz
Power consumption: max. 230 V / 4A ; without external load: 230 V / 1A
Durability relay: DC: 8A at 30V or 0.28A at 250V; AC: 8A at 415V
Protection class: I
Degree of protection: IP 44
Ambient temperature: 10–40 °C, 50 – 104°F
Dimensions (B x H x T): 480 x 480 x 280 mm
Weight: approx. 12.0 kg
Menu languages: German, English, French, Dutch (others upon request)

Mains water supply

Operating pressure:
1 to 8 bar (15 to 116 psi) or
0,3 to 1 bar (5 to 15 psi), after removing of the valve body out of the regulator/filter housing
Water inlet: Opaque hose with 6 mm external diameter/4 mm internal diameter
Water outlet: Hose with 12 mm internal diameter
Water temperature: 10 to 40 °C; 50 to 104°F

Here you will find available reagents for the Testomat® PRO CA self clean.
Select accessories in the product search to find e.g. pumps, filters and service sets for the Testomat® PRO CA self clean.