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pH
pH Range 0.0 to 14.0 pH
pH Resolution 0.1 pH
pH Accuracy ±0.1 pH
pH Calibration Automatic, 1 or 2 point with auto-buffer recognition
EC/TDS
EC Range 0 to 3999 µS/cm
EC Resolution 1 µS/cm
EC Accuracy ±2% F.S.
EC Calibration Automatic, 1 point at 1413 µS/cm
TDS Range 0 to 2000
TDS Resolution 1 ppm
TDS Accuracy ±2% F.S.
TDS Calibration Automatic, 1 point at 1382 ppm
EC/TDS Temperature Compensation Automatic, with β adjustable from 0.0 to 2.4%/ºC
EC to TDS Conversion Factor Adjustable from 0.45 to 1.00 (CONV)
Meter Temperature
Temperature Range 0.0 to 60.0°C / 32.0 to 122.0°F
Temperature Resolution 0.1°C / 0.1°F
General Meter
pH Electrode HI 1293D pH electrode (included)
EC/TDS Probe HI 7630 conductivity probe (fixed)
Power Supply 12 VDC adapter (included)
Environment 0 to 50ºC (32 to 122ºF); RH max 95% non-condensing
Dimensions 160 x 105 x 31 mm (6.2x4.1x1.2’’)
Weight 190 g (6.7 oz.)
Ordering Information HI991404 is supplied with HI1293D pH electrode,
HI7630 fixed EC probe, pH 4 sachet (20 mL) (1), pH 7 buffer sachet (20 mL) (1),
1413 µS/cm calibration solution (20 mL) (1), HI700661 cleaning solution sachet (2),
12 VDC power adapter and instruction manual.
