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Hanna Instruments HI 4522-01 Dual Channel pH/ORP/ISE/Resistivity/Salinity/Temperature Benchtop Meter, with Color LCD, 115V

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Specifications for this item
Number of Items
Inside Depth
6.3  inches
Measurement Type
pH , Electrical Conductivity
Part Number
HI 4522-01
Item Weight
1.8 pounds
Size Name
Dual Channel
Brand Name
Hanna Instruments
Style Name

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Key Features

  • Five-point calibration with eight memorized buffers for ease of use, and increased accuracy
  • Automatic or manual temperature compensation for preferred level of control
  • Features Cal-Check function to ensure proper calibration
  • Logs 10 lots with up to 5000 samples per lot, until data can be downloaded
  • USB connection for downloading data to Windows

Package Details

Shipping Weight: 6.45 pounds
Package Size: 13.2 x 10.1 x 5 inches

Product Description

The HI 4522 is a dual-channel pH, electro-conductivity (EC), resistivity, Total Dissolved Solids (TDS), salinity, ion selective electrode (ISE), temperature and oxidation reduction potential (ORP) bench meter with a 240 by 320 dot-matrix backlit color screen.

The meter features Hanna’s Cal-Check function to ensure proper calibration, an out of range warning system, and calibration at up to five points, with eight memorized buffer solutions (pH 1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45 pH) and five custom buffers. The meter can log up to 10 lots with 5000 samples per lot, and has a USB connection for downloading data to Windows. Temperature compensation is manual or automatic temperature, and all features are available in English, Italian, French, or Spanish.

pH range is -2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH (+ or - 0.1 pH; + or - 0.01 pH; + or - 0.002 pH) and temperature range is - 0.0 to 120.0 degrees C. The meter can also be used with ORP, salinity, TDS, ISE and resistivity probes (purchased separately). The HI 4522 is similar to the 4521 but includes the ISE measuring function. Dimensions are 159 x 230 x 93 mm (6.3 x 9.1 x 3.7"), with weight 800 g (1.8 lbs).

pH testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists.

Hanna Instruments manufactures a wide variety of analytical instrumentation, including pH meters, multi-parameter meters, electrodes, chemical reagents and buffer solutions. Founded in 1978, Hanna is headquartered in Woonsocket, RI, with subsidiaries in 32 countries. Hanna Instruments holds many firsts in the field of analytical instrumentation, including the world’s first pH electrode with a built-in temperature sensor, electronic pocket-sized pH tester, and replaceable electrode pH pocket tester. To ensure the quality of its products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.

What’s in the Box?

  • 4-ring EC probe
  • Glass body pH electrode
  • Temperature probe
  • pH 4 and 7 buffer solutions (20 mL each)
  • Electrode refilling solution
  • 12VDC power adapter
  • Instruction manual

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