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pH Range: 0.00 to 14.00 pH
pH Resolution: 0.01 pH
pH Accuracy: ±0.1 pH
pH Calibration: automatic, at one or two points using standard buffers (pH 4.01, 7.01,10.01); one point calibration using quick calibration solution
Conductivity Range: 0.00 to 6.00 mS/cm
Conductivity Resolution: 0.01 mS/cm
Conductivity Accuracy: ±2% F.S.
TDS Range: 0 to 3000 ppm (500 CF); 0 to 3999 ppm (700 CF)
TDS Resolution: 10 ppm (mg/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 set at 1.9%/°C
EC/TDS Calibration: automatic, one-point at 1.41 mS/cm or 5.00 mS/cm; one point calibration using quick calibration solution
TDS Conversion Factor: 0.5 (500 ppm) or 0.7 (700 ppm)
Battery Type/Life : 1.5V (4) / approx. 100 hours of continuous use, auto-off after 8 minutes of non-use
Auto-off: after 8 minutes, 60 minutes, disabled
Environment: 0 to 50°C (32 to 122°F); RH max 100%
Dimensions: 163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’)
Weight: 100 g (3.5 oz.)
Ordering Information: HI98131 is supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries (4), instructions and quality certificate.
