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Portable pH EC TDS Temperature Meter with CAL Check HI9813-6

Last Updated
21 Sep 2021
Country Origin
United States
Minimum Order
1 unit
General Lab

Specification of Portable pH EC TDS Temperature Meter with CAL Check HI9813-6

The HI9813-6 features the Hanna Instruments CAL Check that will allow the user to know when the probe needs to be calibrated or replaced. The meter operation is simplified with dedicated buttons for measurement modes to be displayed on the LCD and knobs for single point calibration of pH and EC. A variable TDS conversion factor ensures that your results are right the first time.

  • 3 in 1 probe with pH, EC, TDS & temperature sensors.

  • CAL Check™ ensures the accuracy of the meter.

  • Great for hydroponics, aquariums, pools, & ponds.

eatures at-a-glance

Water Resistant

CAL Check™

Variable EC to TDS conversion factor

  • Factor automatically adjusts from 0.56 to 0.78 based on actual EC readings

  • Factor based on 442 curve for natural water

Automatic Temperature Compensation

  • All readings are compensated for variations in temperature

Low Battery Indicator



pH Range0.0 to 14.0 pH
pH Resolution0.1 pH
pH Accuracy±0.1 pH
pH Calibrationmanual, one point
Conductivity Range0.00 to 4.00 mS/cm
Conductivity Resolution0.01 mS/cm
Conductivity Accuracy±2% F.S.
TDS Range0 to 1999 ppm (mg/L)
TDS Resolution1 ppm (mg/L)
TDS Accuracy±2% F.S.
Temperature Range0.0 to 60.0°C / 32.0 to 140.0°F
Temperature Resolution0.1°C
Temperature Accuracy±0.5°C /±1°F
Temperature Compensationautomatic from 0 to 50°C (32 to 122°F) with β=2%/°C typical
EC/TDS Calibrationmanual one-point
TDS Conversion FactorVariable based on reading from 0.56 to 0.72 according to the TDS 442 curve for natural water
Electrode/ProbeHI1285-5 polypropylene body, pre-amplified multiparameter probe with internal temperature sensor, DIN connector and 1m cable
Battery Type/Life9V / approximately 150 hours of continuous use
Environment0 to 50°C (32 to 122°F); RH max 100%
Dimensions145 x 80 x 36 mm (5.7 x 3.1 x 1.4”)
Weight230 g (8.1 oz)
Ordering InformationHI9813-6 is supplied with HI1285-6 pH/EC/TDS/°C probe with Cal-CheckTM, HI70007 pH 7.01 buffer solution sachet (1), HI70442 1500 ppm calibration solution sachet (1), HI70031 1413 µS/cm calibration solution sachet (1), HI700661 electrode cleaning solution sachets (2), HI50021 calibration check solution sachets (2), 9V battery, instructions and rugged carrying case.


PH Meter

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