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  • Hanna Instruments HI 2550 pH/ORP/EC/TDS/NaCl Benchtop Meter
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Hanna Instruments HI 2550 pH/ORP/EC/TDS/NaCl Benchtop Meter

1 customer review

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 2550
Number of Items 1
Measurement Type pH , Temperature
Style Name Benchtop
UNSPSC Code 42181904

The HI 2550 is a microprocessor-based, pH, Oxidation Reduction Potential ... Read full product description


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Product Features

  • Up to five-point pH calibration using seven standard and two custom buffers
  • Manual or Automatic Temperature Compensation eliminates need for extra calculations
  • Stores up to 200 manually logged points and 500 lot logging points
  • USB connection for PC interface
  • LCD screen displays primary and temperature readings simultaneously

Product Details

User Manual [633kb PDF]
  • Shipping Weight: 6.8 pounds
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00451B9IC
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Best Sellers Rank: #47,168 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

The HI 2550 is a microprocessor-based, pH, Oxidation Reduction Potential (ORP), Conductivity (EC), TDC, NaCl, and temperature bench meter that includes a relative mV feature. The meter is most suitable for lab use. Conductivity and TDS features auto-ranging, which automatically selects the scale with the highest resolution. The meter features Manual or Automatic Temperature Compensation. The temperature coefficient is user selectable and temperature compensation can be disabled to measure actual conductivity. Up to five-point pH calibration can be performed using seven standard (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) and two custom buffers, and a calibration reminder can be set to alert the user when too much time has elapsed since the last pH calibration. The meter’s memory can store 200 manually logged points and 500 lot logging points. A USB connection enables PC interface and a Good Laboratory Practice (GLP) feature provides data consistency.

Range is -2.0 to 16.0; -2.00 to 16.00 ; -2.000 to 16.000 pH + or - 0.01; 0.002 pH at 20 degrees C, with resolutions 0.1; 0.01; 0.001 pH. ORP range is 999.9; 2000 mV + or – 0.2; 1 mV at 20 degrees C, with resolutions 0.1 mV (+ or – 1000.0 mV); 1 mV (+ or – 2000 mV). Temperature range is -20.0 to 120.0 degrees C (pH, EC range) + or – 0.4 degrees C (excluding probe error) at 20 degrees C), with a resolution of 0.1 degrees C. Input impedance is 1E12 Ohm and the device operates on a 12 VDC adapter. Dimensions are 235 x 222 x 109 mm/9.2” x 8.7” x 4.3’’ (H x W x D), and weighs 1.3 kg (2.9 lbs.).

Multiparameter meters are used to make a number of measurements, ranging from pH to Conductivity, and are used by researchers, manufacturers, and individuals for many different purposes.

Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) 9001 standards.

What’s in the Box?

  • HI 1131B Glass-body Combination pH Electrode with 1 m Cable
  • HI 76310 Conductivity/TDS Probe
  • HI 7662 Temperature Probe
  • HI 76404N Electrode Holder
  • pH 4.01 and 7.01 Buffer Solutions (20 mL each)
  • HI 7071 Electrolyte Solution
  • 12 VDC Power Adapter
  • Instructions


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After a year or more, never had a problem with this equipment, versatile, accurate and reliable
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Want to discover more products? Check out these pages to see more: hanna ph/ec meter, hanna ph/orp, ec ph orp meter