Milwaukee Conductivity & TDS
Handheld Testers

Model	C65	C66	EC59
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Range	0 to 1999 µS/cm	0.00 to 10.00 mS/cm	EC: 3999 µS/cm TDS: 2000 ppm Temp: 0.0 to 60.0°C
Resolution	1 µS/cm	1 µS/cm	EC: 1 µS/cm TDS: 1 ppm Temp: 0.1°C/0.1°F
Accuracy	±2% Full Scale	±2% Full Scale	EC: ±2% Full Scale TDS: ±2% Full Scale Temp: ±0.5°C/±1°F
Typical EMC Deviation	±2% Full Scale	±2% Full Scale	EC: 2% Full Scale TDS: 2% Full Scale Temp: ±0.5°C/±1°F
Temperature Compensation	Automatic from 5 to 50°C with β=2%/°C	Automatic from 5 to 50°C with β=2%/°C	Automatic, with β=0.0 to 2.4%/°C
Calibration	Manual, at 1 point through trimmer	Manual, at 1 point through trimmer	Automatic, 1 point
Probe	MA73075	MA73076	Mi59P

Model	EC60	T75	T76
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Range	EC: 20.00 mS/cm TDS: 10.00 ppt Temp: 0.0 to 60.0°C	0 to 1999 ppm (mg/L)	0 to 9990 ppm (mg/L)
Resolution	EC: 0.01 mS/cm TDS: 0.01 ppt Temp: 0.1°C/0.1°F	1 ppm (mg/L)	10 ppm (mg/L)
Accuracy	EC: 2% Full Scale TDS: 2% Full Scale Temp: ±0.5°C/±1°F	±2% Full Scale	±2% Full Scale
Typical EMC Deviation	EC: 2% Full Scale TDS: 2% Full Scale Temp: ±0.5°C/±1°F	±2% Full Scale	±2% Full Scale
Temperature Compensation	automatic, with β=0.0 to 2.4%/°C	automatic from 5 to 50°C with β=2%/°C	automatic from 5 to 50°C with β=2%/°C
Calibration	automatic, 1 point	manual, at 1 point through trimmer	manual, at 1 point through trimmer
Probe	Mi59P	MA73075	MA73076