HI 9812-5

Portable pH/EC/TDS/Temperature Meter high range EC & TDS
HI 9812-5 is a pH/EC/TDS waterproof meter designed for simplicity in taking pH, µS/cm, ppm (mg/L) and temperature measurements. The HI 9812-5 is ideal for hydroponics, greenhouses, farming and ground water applications.

Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperature changes. The temperature coefficient is fixed
at 2%/°C.

No probe changes are required when switching your measured parameter between pH, conductivity and TDS. These multiparameter meters reduce the number of instruments required for daily water quality analysis.

The specially engineered HI 1285-5 pH/EC/TDS and temperature probe utilizes a fiber junction and gel electrolyte which provide a fast response and reduced contamination. This combination makes the HI 1285-5 particularly designed to withstand harsh environments such as fertilizer solutions.

Specifications
Range pH 0.0 to 14.0 pH
EC 0 to 1990 µS/cm
TDS 0 to 1990 ppm
Temperature 0 to 60°C
Resolution pH 0.1 pH
EC 10 µS/cm
TDS 10 mg/L
Temperature 0°C
Accuracy pH ±0.1 pH
EC ±2% F.S.
TDS ±2% F.S.
Temperature ±1°C
TDS Conversion Factor 0.5 ppm = 1 µS/cm
Calibration manual at 1 point (all parameters except temperature)
Temperature Compensation Automatic, 0 to 50°C with ß = 2%/°C (EC/TDS only)
Probe HI 1285-5 polypropylene body, pre-amplified multiparameter probe with internal temperature sensor, 8-pin DIN connector and 1 m (3.3’) cable (included)
Battery Type / Life 9V / approximately 150 hours of continuous use
Environment 0 to 50°C (32 to 122°F); RH max 100%
Dimensions 145 x 80 x 36 mm (5.7 x 3.1 x 1.4”)
Weight 230 g (8.1 oz.)

Accessories
Solutions
HI 70300L Electrode Storage Solution
1 x 500 mL bottle
HI 7061L General Purpose Cleaning Solution
1 x 500 mL bottle
HI 7004L 4.01 pH Buffer Solution
1 x 500 mL bottle
HI 7006L 6.86 pH Buffer Solution
1 x 500 mL bottle
HI 7007L 7.01 pH Buffer Solution
1 x 500 mL bottle
HI 7009L 9.18 pH Buffer Solution
1 x 500 mL bottle
HI 7010L 10.01 pH Buffer Solution
1 x 500 mL bottle
HI 7031L 1413 µS/cm EC Solution, 500 mL Bottle
HI 7032L 1382 mg/L (ppm) TDS Bottle, 500 mL Bottle
Accessories
HI 710007 Shockproof Rubber Boot
Ergo Style Casing, Blue
HI 710008 Shockproof Rubber Boot
Ergo Style Casing, Orange
Probes
HI 1285-5 Preamplified pH and EC Probe