Friday, November 25, 2011

BestSeller Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester On Sale!

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Category: Misc.
Brand: Hanna Instruments
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Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester Review


Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester Review by Dr Salam

The order came in time they mentioned and it works well. But I have not yet have any negative ORP to measure. When measure ORP the digit goes very slow and not fixed any point and with the time passes machine get off, so can't have a consistent reading.


Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester Review by akasurreal (Highlands Ranch, CO United States)

I have never bought a pH meter before, but after looking around settled on this one. It works great and does exactly what I needed. I bought it for measuring urine and saliva pH. I took the advice of others and did make sure to buy the 4.01 and 7.01 Buffer solutions for calibrating.


Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester Review by Edward Paquette (Canton, North Carolina, US)

Hi, This is the second instrument I have purchased and I found out that unless the PH electrode is kept wet failure is imminent. I don't know how long you will be able to keep the instrument HI98121 shelf but if too long you might receive all of them back. The one I received today was so dry the sponge was stuck to the bulb!
Edward PaquetteHanna Instruments HI 98121 pH/ORP/Temperature Tester

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Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester:: Description


The HI 98121 pH/ORP/Temperature Tester is a waterproof combination pocket pH, Oxidation Reduction Potential (ORP), and temperature tester with a replaceable electrode and a non-clogging, replenishable fiber junction.

The meter features a large LCD screen for readability, an ergonomically designed waterproof casing, and automatic temperature compensation to eliminate the need for additional calculations. It has a replaceable electrode and renewable reference junction, which helps prolong the life of the tester.

The HI 98121 tester functions in temperatures of -5.0 to 60.0 degrees C/23.0 to 140.0 degrees F (+ or - 0.1 degrees C / 0.1 degrees F), and has a range of -2.00 to 16.00 pH (+ or - 0.05) with a resolution of 0.01 pH. The meter can be calibrated at one or two points for pH with auto-buffer recognition, and against five memorized buffer values. For ORP (Oxidation Reduction Potential) readings, the tester has a range of + or - 1000mV (+ or - 2) with a resolution of 1mV and automatic factory set calibration. Dimensions are 163 x 40 x 26 mm (6.4 x 1.6 x 1.0"), with weight 100 g (3.5 oz.).

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 a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a 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?

  • Protective cap
  • Calibration screwdriver
  • Four 1.5V batteries
  • Instructions



Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester:: Item specifics


  • Automatic Temperature Compensation (ATC) eliminates need for extra calculations
  • Large LCD screen for readability
  • One- or two-point manual pH calibration for obtaining results across a wide range
  • Non-clogging fiber junction and replaceable electrode to prolong life of meter
  • Waterproof and floats if dropped in water
  • Item Dimensions: 6 x 2 x 1 inches; 0 pounds
  • Brand: Hanna Instruments
  • Product Type: Misc.
...Read more...


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