GENEQ > Environment > pH Meters

Versatile Instrument for Water Conditioning
Model HI9812

HI 9812 is an easy to use portable instrument for field measurement of pH, conductivity and TDS in water conditioning applications. This powerful instrument reduces your necessary tool set for field water quality analysis. HI 9812 measures pH from 0 to 14 with 0.1 resolution. This meter also checks conductivity and TDS in the lower 0 to 1990 ranges ideal for the water conditioning field.

Calibration has been simplified to one point for both pH and conductivity/TDS modes. HI 9812 is equipped with Automatic Temperature Compensation to remove the effects of temperature on your conductivity and TDS measurements. In addition, the BEPS (Battery Error Preventive System) will alert the user when low batteries could affect the readings. This portable meter uses 4-in-1 replaceable HI 1285 probe. No probe changes are required when switching your measured parameter between pH, conductivity and TDS. The specially engineered pH electrode also features a fiber junction and gel electrolyte for faster response and reduced contamination.

FEATURES
Multiparameter Probe
The HI 1285 allows easy parameter changes with the push of a button.
Simplify Your Measurements
With the HI 9812 it is no longer necessary to constantly change instruments, probes or test kits for your routine measurements.
ATC
The built-in temperature sensor allows all conductivity and TDS measurements to be compensated against the effects of temperature.

SPECIFICATIONS
HI9812
Range (pH) 0.0 to 14.0 pH
Range (EC) 0 to 1990 µS/cm (µmho/cm)
Range (TDS) 0 to 1990 mg/L (ppm)
Resolution (pH) 0.1pH
Resolution (EC) 10µS/cm
Resolution (TDS) 10mg/L
Accuracy (pH)
(@20°C/68°F)
±0.2 pH
Accuracy (EC)
(@20°C/68°F)
±2% F.S
Accuracy (TDS)
(@20°C/68°F)
±2% F.S.
Typical EMC Deviation (pH) ±0.1 pH
Typical EMC Deviation (EC) ±2% F.S.
Typical EMC Deviation (TDS) ±2% F.S.
Calibration Manual 1 point through trimmer for all parameters
Temp. compensation Automatic from 0 to 50°C (50 to 122°F) with ß of 2% per °C (conductivity/TDS only)
Probe HI1285 pH/conductivity/TDS probe with Din connector and 1m (3.3') cable (included)
Battery type / life 1 x 9V/150 hours approx. continuous use
Environment 0 to 50°C (32 to 122°F); RH 95%
Dimensions 185 x 82 x 45mm (7.3 x 3.2 x 1.8")
Weight 520g (1.1 lb)

CAT. NO. DESCRIPTION
HI9812 Supplied complete with HI 1285 probe with 1 m (3.3’) cable, pH 7 buffer (20 mL), 1413 µS/cm and 1382 ppm calibration solutions (20 mL each), 9V battery and instruction manual.
HI 1285 4-in-1 pH/EC/TDS/°C probe
HI 710001 Soft carrying case
HI 721312 Rugged carrying case
HI 710009 Blue rubber boot
HI 710010 Orange rubber boot
HI 70300L Storage solution, 460 mL
HI 7061L Cleaning solution, 460 mL
HI 77100P pH 7 and 1413 µS/cm calibration solutions (20 mL, 10 pcs each)
HI 77300P pH 7 and 1382 ppm calibration solutions (20 mL, 10 pcs each)
HI 77400P Cal. kit (pH 4 & 7, 20 mL, 5 pcs each)