Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ Accuracy ±0.1 pH

HN1131

This item has been discontinued.

Hanna Instruments

When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible for non-technical and technical personnel alike to measure pH on the spot, accurately and inexpensively throughout a variety of industries. Since its introduction, over 1 million pHeps have gone to satisfied customers around the world.

We at HANNA instruments have always valued the comments and suggestions coming from our customers. For this series, we have included all of the features you have asked for and more! The pHep 4 and pHep 5 include features such as a dual-level LCD, battery level indicator, replaceable pH electrode cartridge, instability indicator, automatic shut-off and automatic calibration all in a floating, waterproof casing.


Product Manuals & Documentation

Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ Accuracy ±0.1 pH

Owner's Manual available for download in Adobe PDF file format

Manufacturer Info

Hanna Instruments USA Aquarium Supplies
Hanna Instruments is a leading manufacturer of analytical aquarium instrumentation. They were founded in 1978 and are headquartered in Woonsocket, Rhode Island. When Hanna introduced pH Electronic Paper in 1986 it literally revolutionized the world of testing by allowing millions of people in various industries to test for pH in a simple, accurate and affordable way. Hanna employees are constantly challenging themselves to improve on existing technology and to invent new testing techniques with the common goal to simplify analytical testing. This applies not only to instrumentation, but also to sensors development, reagents and chemicals. Hanna also believes in controlling the quality of their products from inception to delivery so they manufacture everything themselves, from meters and electrodes to chemical reagents and buffer solutions.


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12 Reviewers (100%) would recommend this

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“Works Good”
5.0

It's a good way to read PH. I can't stand trying to read the colors and maybe off. the blues all look the same. This meter was expensive, but what in this hobby is not. If you want a good instrument, Then this is the one.

  • 1
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“Good Product”
5.0

The Hanna PH tester is extremely easy to use and is very accurate. You just need to remember you will need to also order at least one calabration PH solution (7.01 or 4.01) or both for a more accurate calabration, an electrode cleaning solution, and an electrode storage solution to keep the PH senso...Read More

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“Don't forget the fluids”
5.0

The meter works great, but you really need to purchase the probe cleaning solution (HI 7061) and the storage solution ( HI 70300), as well as calibration solutions. I think they should include small starter packets of these they way many companies do. The meter does require frequent calibration, a...Read More

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“Easy To Use!”
5.0

I have been using the chemical test kits to measure Ph for the last few months but the colors are difficult to judge. I decided to purchase the 0.01 unit. The measuring device is very easy to use although a bit expensive when you include the buffer solutions, cleaning solutions and storage solutio...Read More

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“Order solutions as well”
4.0

This tester is very easy to use, but the calibration instructions take a long, frustrating period of time to figure out. Once you get it, it makes sense thereafter, but the instructions could certainly be made more clear. It's extremely important to order cleaning, storage, and calibration soluti...Read More

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“works great”
4.0

This product works great, but it is very hard to figure out from the directions given how to calibrate it. The directions are not very clear and too abbreviated. That is my only complaint. Also it tells you you have to buy certain solution to store it in and they don't give you any, not even a pa...Read More

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“PH”
5.0

Works Great!!!

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