Instruction Manual
Instruction Manual

C66 Waterproof Conductivity Tester with replaceable electrode (high range)

The C66 is a conductivity IP65 waterproof tester, specifically designed for the hydroponics and Agricultural markets, with automatic temperature compensation and 1 point manual calibration. The tester has a range of 0.00 to 10.00 mS/cm.

The C66 has a replaceable electrode and is supplied in a casing with calibration solution sachets (M10031) and screwdriver for calibration. The modular design allows easy electrode and battery replacement.


Calibration, Maintenance & Cleaning Solutions
Choose from our wide selection of calibration, maintenance and cleaning solutions.

Range 0.00 to 10.00 mS/cm
Resolution 0.01 mS/cm
Accuracy ±2% Full Scale
Typical EMC Deviation ±2% Full Scale
Temperature Compensation automatic from 5 to 50°C, with ß=2%/°C
Calibration manual, at 1 point through trimmer
Probe MA73076 (replaceable)
Environment 0 to 50°C / 32 to 122°F; max RH 100%
Battery Type 3 x 1.5V (included)
Battery Life approx. 250 hours of continuous use
Dimensions 165 x 30 x 30 mm
Weight 80 g


MA73076 Replaceable Conductivity probe, HR
M10030B 12880 µS/cm calibration
solution, 20 ml (25 pcs)
M10031B 1413 µS/cm calibration
solution, 20 ml (25 pcs)
C66 is supplied complete with protective cap, 20 mL 1413 µS/cm sachet of calibration solution, carton box, calibration screwdriver, batteries and instructions.