Hanna HI-8734 Multi-range TDS Meter

Range   0.0 to 199.9 mg/L (ppm); 0 to 1999 mg/L (ppm); 0.00 to 19.99 g/L (ppt) Resolution   0.1 mg/L (ppm); 1 mg/L (ppm); 0.01 g/L (ppt) Accuracy   ±1% F.S. (excluding probe error) Calibration   manual, 1 point Temperature Compensation   manual, 0 to 50°C (32 to 122°F) with ß=2%/°C Probe   HI 76301D with 1 m (3.3') cable (included) Battery Type / Life   1 x 9V / approx. 100 hours of continuous use Environment   0 to 50°C (32 to 122°F); RH max 100% Dimensions   164 x 76 x 45 mm (6.4 x 3.0 x 1.8") Weight   250 g (8.8 oz.)
temperature control