EC range : 0.00 to 29.99 μS/cm; 30.0 to 299.9 μS/cm; 300 to 2999 μS/cm; 3.00 to 29.99 mS/cm; 30.0 to 200.0 mS/cm; up to 500.0 mS/cm absolute EC**
EC resolution : 0.01 μS/cm; 0.1 μS/cm; 1 μS/cm; 0.01 mS/cm; 0.1 mS/cm
EC accuracy (@25°C/77°F) : ±1% of reading (±0.5 μS or 1 digit, whichever is greater)
Calibration : single cell factor calibration; six standards available: 84 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 118.8 mS/cm, one point offset: 0.00 μS/cm
Temperature coefficient : 0.00 to 6.00%/°C (for EC and TDS only), default value is 1.90%/°C
TDS range : 0.00 to 14.99 mg/L (ppm); 15.0 to 149.9 mg/L (ppm); 150 to 1499 mg/L (ppm); 1.50 to 14.99 g/L; 15.0 to 100.0 g/L; up to 400.0 g/L absolute TDS using 0.80 conversion factor**
TDS resolution : 0.01 mg/L (ppm); 0.1 mg/L (ppm); 1 (ppm); 0.01 g/L; 0.1 g/L
TDS accuracy (@25°C/77°F) : ±1% of reading (±0.03 ppm or 1 digit, whichever is greater)
Calibration : through EC calibration
TDS factor : 0.40 to 0.80 (default value is 0.50)
SAL range : 0.0 to 400.0 % NaCl; 2.00 to 42.00 PSU; 0.0 to 80.0 g/L
SAL resolution : 0.1 % NaCl; 0.01 PSU; 0.01 g/L
SAL accuracy (@25°C/77°F) : ±1% of reading
Calibration : PSU and g/L through EC calibration; % NaCl — one-point with HI7037 sea water standard
Temperature range : -20.0 to 120.0°C; -4.0 to 248.0°F
Temperature resolution : 0.1°C; 0.1°F
Temperature accuracy : ±0.5°C; ±0.9°F
Connectivity : 1 USB port for storage; 1 micro USB port for charging and PC connectivity
Environment : 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Power supply : 5 VDC adapter (included)
Dimensions : 202 x 140 x 12 mm (7.9” x 5.5” x 0.5”)
Weight : 250 g (8.82 oz.)