HANNA HI9813-61 Portable pH/EC/TDS/Temperature Meter with CAL Check™ (0~14.0pH, 0~4.00mS/cm, 0~1999 mg/L, 0~60.0°C)

pH Range: 0.0 to 14.0 pH

pH Resolution: 0.01 pH

pH Accuracy: ±0.1 pH

pH Calibration: manual, 1-point through offset trimmer

EC Range: 0.00 to 4.00 mS/cm

EC Resolution: 0.01 mS/cm

EC Accuracy: ±2% F.S.

EC Calibration: manual, 1-point through slope trimmer

TDS Range: 0 to 1999 ppm (mg/L)

TDS Resolution: 1 ppm (mg/L)

TDS Accuracy: ±2% F.S.

TDS Calibration: manual, 1-point through slope trimmer

EC/TDS Temperature Compensation: automatic from 0 to 50°C (32 to 122°F)

Temperature Correction Coefficient: β=2%/°C typical

EC to TDS Conversion Factor: variable based on reading from 0.56 to 0.72 according to the TDS 442 curve for natural water

Temperature Range: 0.0 to 60.0°C / 32.0 to 140.0°F

Temperature Resolution: 0.1°C

Temperature Accuracy: ±0.5°C /±1°F

Multi-parameter Probe: HI 1285-6 combination, amplified pH/EC/TDS/temperature probe with Cal-Check feature, built-in temperature sensor, 8-pin DIN connector and 1 m (3.3') cable

Battery Type/Life: 9V / approximately 150 hours of continuous use

Environment: 0 to 50°C (32 to 122°F); RH max 100%

Dimensions: 145 x 80 x 36 mm (5.7 x 3.1 x 1.4”)

Weight: 230 g (8.1 oz)