Hanna Instruments HI 222 - Manual (Page 5)

5
HI222 SPECIFICATIONS
Range -2.00 to 16.00 pH
±699.9 mV / ±2000 mV
-20.0 to 120.0 °C
Resolution 0.01 pH
0.1 mV / 1 mV
0.1 °C
Accuracy ±0.01 pH
(@20°C/68°F) ±0.2 mV / ±1 mV
±0.5 °C
pH Calibration 1 or 2-point, automatic,
with 7 memorized pH buffer values
(1.68, 3.00, 6.86, 7.01, 9.18, 10.01, 12.45)
Temperature Compensation Automatic or manual, from -20 to 120°C
pH Electrode HI 1048P glass-body, single junction,
(included) refillable, BNC + pin
Temperature probe HI 7669/2W stainless steel probe
(included)
Input impedance 10 12
Ω
Computer Interface RS232, optoisolated
Logging 100 points
Environment 0 to 50°C (32 to 122°F)
max. 95% RH non-condensing
Power supply 12 VDC adapter (included)
Dimensions 240x182x74 mm (9.4x7.1x2.9")
Weight 1.1 kg (2.5 lb.);
kit with holder: 2.5 kg (5.5 lb.)