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Customer Support: (800) 842-6629

Benchtop pH/mV Meter with Manual Calibration and Recorder Output - HI22091

The HI22091 is a basic, affordable pH/mV benchtop meter with analog output designed for simplicity of use. Manual calibration can easily be performed to 1 or 2 points with the help from the meter’s built-in solution holders. The meter has a large, easy-to-read LCD that displays pH or mV readings that are manually compensated for temperature variations. The HI22091 is supplied with the HI1332B PEI plastic body, double junction, gel filled pH electrode.

  • Large, Clear Display
  • Analog Output
  • Built-In Solution Holders


The HI22091 is a basic affordable pH/mV benchtop meter. Operation is simplified to calibration, mode selection (pH, mV, or temperature), and connection to a recording device via analog output. The pH calibration is made simple through the easy-to-operate front panel knobs for offset and slope adjustment. A front knob is also provided to manually set temperature compensation of the pH reading.

The HI22091 has an input for a BNC electrode. The BNC connector is a universal connector that is commonly available and allows the user to select from a wide variety of pH or ORP electrodes for their particular application.

Features at-a-glance

Analog Output – The HI22091 benchtop meter features an analog output that allows connection between the meter and a recording device.

Simple User Interface – Operation is simple with limited features that only require the use of several front panel knobs. Readings are easy to view on the large, clear display.

One or Two-Point Calibration – Manual calibration can be performed at 1 or 2 points on the HI22091. This simple feature allows demonstration of the concepts of offset and slope. The HI22091 can be calibrated to any value within the measurement range of 0.00 to 14.00 pH.

HI1332B pH Electrode – The HI22091 is supplied with the HI1332B plastic PEI body, double junction pH electrode with an indicating sensor made of General Purpose (GP) glass. The durable body and GP glass design allows the HI1332B to be used in a wide variety of applications, from chemical samples to field use and quality control.

Temperature Compensation – Manual temperature compensation provides the ability to demonstrate the effect of temperature on pH measurements. Manual correction for temperature with the HI22091 is simple to use and allows for temperature corrections ranging from 0 to 100℃ based on the sample being tested.

Built-In Solution Holders – The HI22091 benchtop meter features solution holders built directly into the casing. This convenient feature saves valuable benchtop space and maintains solution bottles in an upright position, avoiding any potential spills.

Additional information

Weight 2.47 kg


pH Accuracy

±0.01 pH

pH Calibration

manual, one or two-point

pH Range

0.00 to 14.00

pH Resolution

0.01 pH


SKU HI22091-01
Name Benchtop pH/mV Meter with Manual Calibration and Recorder Output – HI22091
pH Range 0.00 to 14.00
pH Resolution 0.01 pH
pH Accuracy ±0.01 pH
pH Calibration manual, one or two-point
pH Temperature Compensation manual from 0 to 100°C (32 to 212°F)
pH Input impedence 10¹² Ohms
mV Range ±1999 mV
mV Resolution 1 mV
mV Accuracy ±1 mV
pH Electrode HI1332B PEI body pH electrode with BNC connector and 1 m (3.3’) cable (included)
Analog Output 0 to 5 V according with: 0 to 14 pH or -1999 to +1999 mV; temperature always 0
Power Supply 12 VDC adapter (included)
Environment 0 to 50°C (32 to 122°F), RH max 95% non-condensing
Dimensions 235 x 222 x 109 mm (9.2 x 8.7 x 4.3”)
Weight 1.3 kg (2.9 lbs.)

Ordering Info

HI22091 is supplied with HI1332B pH electrode, 12 VDC adapter, and instruction manual. *CALibration and Recorder Output – HI22091