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The completely waterproof, floating pHep4 Pocket pH Tester features an easy-to-read LCD display and a rugged replaceable pH electrode cartridge. Features automatic temperature compensation for more reliable readings and automatic shutoff after 8 minutes of nonuse. The Tester will provide over 350 hours of battery life and is supplied with a protective cap, four 1.5V batteries and instructions. Purchase Calibration Kit separately and keep on hand to maintain the accuracy of your meter.
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Technical Details
- pH Range: 0.0 to 14.0, Accuracy: +/-0.1 pH- Temperature Range: 0.0 to 60.0°C/32.0 to 140.0°F
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By Dnhill
I've been using this model pH meter for water quality checks in a water distribution system for years with few problems other than periodic electrode replacement. It is handy, rugged and dependable.
By B. Tarbuck
We have really low pH in our house. It's around 6.5 which is low enough to help eat the copper pipe and stain the fixtures blue.
So we installed a system that injects soda ash into the well water thereby increasing the pH to something higher that will allow our poor copper pipes to survive a while longer.
That's all fine and dandy to do, but you need a way to test the pH.
I found this online and pulled the proverbial trigger. I work at a water / wastewater utility and we don't really use too many Hanna field instruments but we have a bunch of pH analyzers of different stripes. Unfortunately, people would notice if I unbolted a process analyzer from the wall and installed it in my basement.
One of our lab people had some pH 4, 7 and 10 calibration solution made up. I bought a bunch of the required 357 batteries and turned on the Hanna. Ok so, I tried to turn it on. The power button on the left took a great deal of force to activate as if the button had sunken into the unit. Once on however, I calibrated it using a 2 point calibration and resampled the stock calibration solutions. It was close enough for field work.
Annoyances: power button seems sketchy for a new device; little teeny batteries at the top of the unit require a little teeny screwdriver to get to; little teeny screws likely to get dropped / lost; requires 357 button batteries which are not common; would likely be hard to use in the field unless you had the foresight to bring more batteries and the appropriate screwdriver to field replace the batteries
Pluses: calibrated quickly and appears to be accurate enough to use for field reports; have not had the folks at our lab test it against bench or process analyzers to see how it fares against higher priced equipment
Summary: get a tiny screwdriver, tiny batteries, hope the buttons don't fail, cheap and easy way to field measure pH with a decent accuracy / repeatability
By Rat8bug (Michigan)
After reading reviews on many PH meters, I settled on this one. Well, for the price, I suppose its OK. I got this meter to check the status of my personal PH levels as I change my diet to 70/30 alkaline/acidic mix. This meter was calibrated right out of the box, but I did confirm it with the calibration kit. What I was disturbed about was the weak LCD display, and the controls required excessive effort to negotiate. On the latter point, I suppose this was done to make the item waterproof. If this were an everyday use item, I would probably rate this item even lower.
By I. Helfand (Vermont)
This is a quality device and needs regular maintenance.
Buy the calibrating solution and use it!
The company is very customer friendly and use them if you need help.
I couldn't find a better one.
By M. Kross
have had it for almost 6 months now and it works oh so perfect and i have yet to re calibrate it. because the readings are on perfect and consistent . my first ph tester but i would definitely buy this brand again. water and idiot proof . i Use it for bringing down the acidity of miami water for my fish and my plants
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