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  • Hanna Instruments HI 4521 pH/Conductivity (USP) Benchtop Meter, with Color LCD
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Hanna Instruments HI 4521 pH/Conductivity (USP) Benchtop Meter, with Color LCD


Currently unavailable.
We don't know when or if this item will be back in stock.

Specifications for this item
Brand Name Hanna Instruments
Part Number HI 4521-01
Number of Items 1
Inside Depth 6.3  inches
Item Weight 1.8 pounds
Measurement Type pH , Electrical Conductivity , Oxidation Reduction Potential (ORP) , Dissolved Oxygen (DO) , Total Dissolved Solids (TDS)
Range -2 to 20 pH
Size pH/Conductivity (USP)
Style Name Benchtop
UNSPSC Code 41115603

The HI 4521 is a dual-channel pH, electro-conductivity (EC), resistivity, Total Dissolved Soli... Read full product description



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Product 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

Product Details

User Manual [1.36mb PDF]

Product Description

The HI 4521 is a dual-channel pH, electro-conductivity (EC), resistivity, Total Dissolved Solids (TDS), salinity, temperature and oxidation reduction potential (ORP) bench meter with a 240 x 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 and temperature range is - 0.0 to 120.0 degrees C. The meter can also be used with ORP, salinity, TDS and resistivity probes (purchases separately). 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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Want to discover more products? Check out these pages to see more: hanna instruments ph 10.01, hanna calibration buffer solution 4, ph 3.01 buffer solutions, hanna alkalinity meter

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