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  • Hanna Instruments HI 8424 Waterproof Portable pH Meter, with ATC and HOLD Feature
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Hanna Instruments HI 8424 Waterproof Portable pH Meter, with ATC and HOLD Feature

2 customer reviews

List Price: $293.00
Price: $282.60 & FREE Shipping. Details
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Specifications for this item
Brand Name Hanna Instruments
Part Number HI 8424
Number of Items 1
Inside Depth 6.5  inches
Item Weight 6.24 ounces
Measurement Type pH , Oxidation Reduction Potential (ORP) , Temperature , mV
Range -2 to 16 pH
Size With ATC and HOLD Feature
Style Name Portable
UNSPSC Code 41115603
Volume Precision 0.01 pH

The Hanna Instruments HI 8424 Waterproof pH Meter w/Automatic Calibration and Temperature Comp... Read full product description



Product Features

  • Microprocessor-based meter for increased speed and accuracy
  • Automatic calibration with three memorized buffer solutions for ease of use
  • Automatic or manual temperature compensation depending on probe used
  • Auto-off function and Battery Error Prevention System (BEPS) to prolong battery life and prevent false readings
  • Waterproof casing for indoor and outdoor use

Product Details

User Manual [678kb PDF]
  • Product Dimensions: 50 x 50 x 50 inches ; 6.2 ounces
  • Shipping Weight: 1.6 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B002NX0VWE
  • Item model number: HI8424
  • Average Customer Review: 3.0 out of 5 stars  See all reviews (2 customer reviews)
  • Amazon Best Sellers Rank: #159,513 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Frequently Bought Together

Hanna Instruments HI 8424 Waterproof Portable pH Meter, with ATC and HOLD Feature + Hanna Instruments HI 70300M Storage Solution for pH/ORP Electrodes, 230mL Bottle
Price for both: $298.59

Buy the selected items together

Product Description

The Hanna Instruments HI 8424 Waterproof pH Meter w/Automatic Calibration and Temperature Compensation is a microprocessor-based pH, mV and temperature tester.

The HI 8424 features a large LCD screen for readability, and automatic or manual temperature compensation depending on probe used. Calibration is automatic using three memorized buffer values (pH 4.01, 7.01, and 10.01). The meter includes a pH electrode and temperature probe, but ORP probes must be purchased separately. The meter operates on one 9V battery which can be recharged by laying the device on the HI 710040 battery charger (purchases separately) for about 14 hours. The meter features an auto-off function after 20 minutes (which can be disabled), and the Battery Error Prevention System (BEPS) which turns the meter off if the battery is low enough to take false readings.

pH range is -2.00 to 16.00 pH (+ or – 0.01), with resolution 0.01 pH. The HI 8424 tester measures temperatures of -20.0 to 120.0 degrees C (-4.0 to 248.0 degrees F) with accuracy + or - 0.4 degrees C/+ or - 0.8 degrees F, RH max 100%. Temperature effects are automatically compensated for from -20 to 120°C (-4 to 248 degrees F), or manually calculated without the temperature probe. Oxidation Reduction Potential (ORP) measurements have a range of + or - 699.9mV and + or - 1999mV (accuracy + or - 0.2 mV; + or - 1 mV) with a resolution of 0.1 mV and an automatic switch to 1mV resolution when readings reach + or - 699.9mV. The device has an input impedance of 1012 Ohm.

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 located 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 assure the quality of their products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.

What’s in the Box?

  • HI 1230B double junction pH electrode, with a gel filled PEI (PolyEther-Imide) body, BNC connector, and a 1m (3.3') cable
  • HI 7662 temperature probe
  • Calibration and cleaning solution
  • One 9V battery (approximately five years use)
  • Protective case and instructions
  • ORP electrodes must be purchased separately


Customer Questions & Answers

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Most Helpful Customer Reviews

By ARMANDO CAMPOS on July 26, 2013
Verified Purchase
The purchase of this meter has been a disappointment. It has been inconsistent in its measurements and unreliable in it's performance. We may have a faulty sensor and cant find the part to replace it. We have had to buy another pH meter of another brand. Frustrating!
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Verified Purchase
I recommend it to anybody you need it. This piece of equipment works exactly as presented online.

You can try it too.
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