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Analog pH/mV/°C Meter with HI1217D Electrode


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The HI8314 is a portable pH/mV meter designed to be accurate, reliable and easy to use. The HI8314 uses the HI1217D pre-amplified pH electrode with built-in internal temperature sensor.

Save on calibration solutions when you bundle!

  • Automatic Temperature Compensation (ATC)
  • Two-point Calibration
  • Compact, heavy-duty, and waterproof protected casing


Manual calibration is performed at one or two points by adjusting the trimmers on the front panel. Capable of measuring pH/mV and °C, this meter are great for field work, providing one meter for multiple uses. This instrument is ideal for applications that require a custom calibration point. Manual calibration can be extremely useful in order to achieve better accuracy.

This meter can also be used for ORP measurements with the optional probes below: HI3618D or HI4619D


pH Range 0.00 to 14.00 pH
pH Resolution 0.01 pH
pH Accuracy (@25ºC/77ºF) ±0.01 pH
pH Calibration manual, two-point, via trimmers
pH Temperature Compensation automatic, 0 to 70°C (32 to 158 °F)
pH Input impedence 1012 Ohm


mV Range ±1999 mV
mV Resolution 1 mV
mV Accuracy (@25ºC/77ºF) ±1 mV

Meter Temperature

Temperature Range 0.0 to 100.0°C
Temperature Resolution 0.1°C
Temperature Accuracy ±0.4°C

General Meter

pH Electrode HI1217D PEI body, preamplified pH electrode with internal temperature sensor, DIN connector and 1 m cable (included)
Slope/Offset Calibration from 80 to 110%/±1 pH
Battery Type / Life 9V / approximately 100 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.)
Ordering Information HI8314 is supplied with HI 1217D pH electrode, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700601 electrode cleaning solution sachets (2), calibration screwdriver, battery, protective case and instructions.