• Waterproof Enclosure
  • Easy to Install
  • Easy to Use
  • 4-20mA and 0-1 DC Outputs
  • Optional Relay Output
  • Australian Made

All miniCHEM units are easy to install. The enclosure is waterproof to IP65, so a separate cabinet is not required. All controls can be accessed via the hinged, clear cover. The large LCD display is easy to read, even from a distance.

The miniCHEM series is designed for maximum flexibility. Current and voltage outputs are provided as standard. A relay output is optionally available. The front panel alarm lamp provides clear visual indication when the control limit has been exceeded. 

The miniCHEM series is the best value for money range of process monitors available today. They are ideal for industry, swimming pools, reverse osmosis, aquaculture, and general process monitoring and control.

For a total solution to your control requirements, TPS also offers a peristaltic pump, easyFLOW-VS. The miniCHEM series is proudly designed and manufactured in Australia. The TPS Quality System has been certified in accordance with AS/NZS ISO9001 standards. You can always be assured of the best quality, service and value for money.

0 to 14.00 pH

0.01 pH

+/-0.01 pH

+/-0.01 pH

+/-0.01 pH

Ambient Drift
<0.01 pH per 10oC change

Long Term Drift
<0.1% per year

Temperature Compensation
Automatic, 0 to 100 oC

Asymmetry Range
+/-1 pH

Slope Range
80 to 110%

Input Impedance
>3 x 1012 Ohms

Common Mode Rejection

Polycarbonate, waterproof to IP65

12.5mm LCD

4 to 20 mA (500 Ohms max load)
0 to 1 V DC (0 to 10 V DC optional)
Contacts : One optional relay with changeover contacts. Rated to 240V, 1 Amp

Galvanic isolation of sensor input
Current and voltage outputs are not isolated 

220/240 V AC, 50/60Hz 
12V DC power optional.

172 x 160 x 71mm

Instrument only : Approx 800g 
Full Kit : Approx 1.5kg

Instrument Operating Environment
Temperature : 0 to 45 oC
Humidity : 0 to 95% R.H.


Kit Without Probes:

  • MiniChem-P
  • Instruction Manual


Kit With Probes:

  • MiniChem-P
  • Instruction Manual
  • Your Choice of pH Probe (Standard, Premium, Threaded)
  • ATC Probe
  • 200ml pH 7 Buffer
  • 200ml pH 4 Buffer