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pH Range: 0.00 to 14.00 pH
pH Resolution: 0.01 pH
pH Accuracy: ±0.01 pH
pH Calibration: automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
Conductivity Range: 0.00 to 20.00 mS/cm
Conductivity Resolution: 0.01 mS/cm
Conductivity Accuracy: ±2% F.S.
TDS Range: 0.00 to 10.00 ppt (g/L)
TDS Resolution: 0.01 ppt (g/L)
TDS Accuracy: ±2% F.S.
Temperature Range: 0.0 to 60.0°C / 32.0 to 140.0°F
Temperature Resolution: 0.1°C / 0.1°F
Temperature Accuracy: ±0.5°C /±1°F
Temperature Compensation: pH: automatic; EC/TDS: automatic with β adjustable from 0.0 to 2.4% / °C
EC/TDS Calibration: automatic, one-point at: 6.44 ppt (CONV=0.5), 9.02 ppt (CONV=0.7), or 12880 µS/cm
TDS Conversion Factor: 0.45 to 1.00
Electrode/Probe: HI1288 PVC body, pre-amplified multiparameter probe with internal temperature sensor, DIN connector and 1m cable
Battery Type/Life: 1.5V (3) AAA / approximately 500 hours of continuous use; auto-off after 8 minutes of non-use
Environment: 0 to 50°C (32 to 122°F); RH max 100%
Dimensions: 152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight: 205 g (7.2 oz.)
Ordering Information: HI991301 is supplied with HI1288 multiparameter probe, HI70004 pH 4.01 buffet sachet, HI70007 pH 7.01 buffer sachet, HI70030 12880 µS/cm calibration solution sachet, HI70038 6.44 g/L (ppt) calibration solution sachet, HI700661 electrode cleaning solution sachet, batteries, instructions and rugged carrying case.
Option:
- HI7010L pH 10.01 Calibration Solution (500 mL)
- HI7004L pH 4.01 Calibration Solution (500 mL)
- HI710024 Shockproof Rubber Boot (Blue)
- HI7061L General Purpose Cleaning Solution (500 mL)
- HI7032L 1382 mg/L (ppm) TDS Calibration Solution (500mL Bottle)
- HI7030L 12880 µS/cm Conductivity Standard (500mL Bottle)
- HI7007L pH 7.01 Calibration Solution (500 mL)
- HI70300L Electrode Storage Solution (500 mL)
- HI70442L 1500 mg/L (ppm) TDS Calibration Solution (500 mL Bottle)
- HI7031L 1413 µS/cm Conductivity Standard (500mL Bottle)
