Combo pH/Conductivity/TDS Tester (High Range)

pH Measurement
Range
0.00 to 14.00 pH
Resolution
0.01 pH
Accuracy (@25 °C / 77 °F)
±0.05 pH
Calibration
Automatic, 1 or 2-point calibration
Standard buffer sets:
pH 4.01 / 7.01 / 10.01
pH 4.01 / 6.86 / 9.18
Temperature Compensation
Automatic

Electrical Conductivity (EC)
Range
0.00 to 20.00 mS/cm
Resolution
0.01 mS/cm
Accuracy
±2% F.S.

Total Dissolved Solids (TDS)
Range
0.00 to 10.00 g/L (ppt)
Resolution
0.01 g/L (ppt)
Accuracy
±2% F.S.
Calibration
Automatic, 1-point calibration
Calibration points: 12.88 mS/cm or 6.44 g/L (ppt)
EC to TDS Conversion Factor
0.45 to 1.00

Temperature Measurement
Range
-5.0 to 60.0 °C
23.0 to 140.0 °F
Resolution
0.1 °C / 0.1 °F
Accuracy
±0.5 °C / ±1 °F
Temperature Correction Coefficient
Automatic, adjustable γ from 0.0 to 2.4% / °C

General Specifications
pH Electrode
HI73127 replaceable pH electrode (included)
Automatic Shut-Off
Auto-off after 8 minutes of non-use
Battery Type / Life
1.5 V batteries (4 pcs.)
Approx. 100 hours of continuous use
Operating Environment
0 to 50 °C (32 to 122 °F)
Max. 100% RH
Dimensions
163 × 40 × 26 mm
(6.4 × 1.6 × 1.0 in.)
Weight
100 g (3.5 oz.)