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- Range
+ pH: 0.0 to 14.0 pH
+ EC: 0 to 3999 µS/cm
+ TDS: 0 to 2000 mg/L (ppm)
+ Temperature: 0.0 to 60.0°C / 32.0 to 122.0°F
- Resolution
+ pH: 0.1 pH
+ EC: 1 µS/cm
+ TDS: 1 mg/L (ppm)
+ Temperature: 0.1°C (0.1°F)
- Accuracy @ 20°C
+ pH: ±0.1 pH
+ EC/TDS: ±2% F.S.
+ Temperature: ±0.5°C (±1°F)
- Temperature Compensation
+ pH: automatic
+ EC/TDS: automatic with ß adjustable from 0.0 to 2.4%/°C
- Calibration
+ pH: automatic, one or two points with auto-buffer recognition
+ EC/TDS: automatic, one point at 1413 µS/cm or 1382 ppm
TDS Factor: adjustable from 0.45 to 1.00
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Power Supply: 12 VDC adapter (included)
Dimensions/Weight: 160 x 105 x 31 mm (6.3 x 4.1 x 1.2) / 190 g
- Probes
+ pH: HI 1293D PEI body, pre-amplified pH electrode with 1/2” NPT pipe thread, DIN connector and 2 m cable
+ EC/TDS: HI 7630 conductivity probe with 1/2” NPT pipe thread and 2 m cable(fixed)
Order Information: HI 991404-02 (230V) is supplied with HI 1293D pH electrode, HI 7630 EC probe (fixed), HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, HI 70031 1413 µS/cm calibration solution sachet, 12 VDC adapter and instructions.
