Range : pH -4.0 to 20.0 pH; -4.00 to 20.00 pH
mV : ±699.9; ±2000 mV
ISE : 0.001 to 19990 ppm
Temperature : -20.0 to 120.0°C (-4.0 to 248.0°F)
Resolution pH : 0.1 pH; 0.01 pH
mV : 0.1 mV (±699.9 mV); 1 mV (±2000)
ISE : 0.001 ppm (0.001 to 1.999); 0.01 ppm (2.00 to 19.99); 0.1 ppm (20.0 to 199.9); 1 ppm (200 to 1999); 10 ppm (2000 to 19990)
Temperature : 0.1°C (0.1°F)
Accuracy : (@20°C/68ºF) pH ±0.1 pH; ±0.01 pH
mV : ±0.2 mV (±699.9 mV); ±1 mV (±2000 mV)
ISE : ±0.5% f.s.
Temperature : ±0.2°C (±0.4°F) excluding probe error
pH Calibration : up to five point calibration with seven standard buffers available (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and 5 custom buffers
ISE Calibration : up to five point calibration with six standard buffers available (0.1, 1, 10, 100, 1000, 10000 ppm)
Slope/Offset Calibration : ±1 pH/from 80 to 110%
Rel. mV Offset Range : ±2000 mV
Temperature Compensation : manual or automatic from –20.0 to 120.0 ºC (–4.0 to 248.0 ºF)
pH Electrode : HI 1230B PEI body pH electrode with BNC connector and 1 m (3.3’) cable (included)
Temperature Probe : HI 7662 stainless steel temperature probe with 1 m (3.3’) cable (included)
Logging log on demand, 500 samples
PC Connection : opto-isolated USB with optional HI 92000 software
Input Impedance : 1012 Ohms
Power supply : 1.5V AAA (3) / approximately 200 hours of continuous use without backlight (50 hours with backlight). User selectable auto-off (5, 10, 20, 60 minutes or can be disabled)
Environment : 0 to 50°C (32 to 122°F); RH max 100%
Dimensions / Weight : 185 x 72 x 36 mm (7.3 x 2.8 x 1.4”) / 300 g (10.6 oz.)