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Extech PH220-C pH Meter, Palm pH with Cabled Electrode.
From the Manufacturer
Extech PH220-C pH Meter, Palm pH with Cabled Electrode.
Brock F.
Reviewed in the United States on July 28, 2024
I purchased this for a product that has to be tested at ~170 degrees Fahrenheit and it has sped up production not waiting on the lab. Does need to be calibrated before each use, but well worth the cost. $185 will be recovered with just a couple hours of wait time and having good quality material in the endđđ
Dennis Adcock
Reviewed in the United States on September 20, 2023
it worked for me
Kent
Reviewed in the United States on May 2, 2023
have not used yet but came highly recommended
T. Romano
Reviewed in the United States on October 22, 2023
I was tired of using hard-to-interpret test strips for measuring spa water and the low-end pH electronic meter I purchased seemed inaccurate.I can't make a claim to absolute accuracy of the meter; it has the appearance of accuracy with 2 decimal places. I'm assuming the 3-point calibration and temperature compensation will certainly help accuracy. Since using this meter I've been able to maintain good and clear water quality that was previously problematic.It's important to always store the probe wet in the vessel with storage solution. Calibrate the meter and then regularly check the pH with buffer solutions, 4, 7, and 10 pH; you can determine how often is required by checking it at various intervals. Mine holds calibration well over months.The probe is temperature calibrated, I need to leave the probe in the water for at least 30 seconds before the measurement stabilizes.The original meter unfortunately failed (would not power on) after a little over a year of using about 2x / week. ExTech customer service was very responsive and friendly. ExTech kindly sent me a new meter without any charges after I provided them with my Amazon receipt. Hopefully the new one lasts much longer than the original.
Kevin K.
Reviewed in the United States on January 28, 2022
I wouldnât have trusted ExTech for my high quality pH meter, but I had purchased their light meter and was very impressed by it. Iâve had no problems, but do feel like if I want to trust it for lab-level pH readings I should buy a more expensive meter. Im just pHâing houseplant water so I was aiming for a economical balance and I wouldnât have purchased anything else.I like to have Pelican cases with cut foam for all my tools. This comes in a pretty good cardboard box with foam cut outs, so just take care of the box, hot glue the foam inserts down and youâll have a super adequate case for this meter.Donât forget to also purchase calibration fluid, because while these digital pH meters are way more accurate than pH paper, they require re-calibrating and proper storage of the sensor.
Timothy Duffy
Reviewed in the United States on December 8, 2021
This has been really great. I bought a replacement probe just in case, but have not had to use it.Two things to note: 1) DO NOT pull the probe out of the storage liquid, unscrew the cap. 2) the automatic temperature compensation uses a temperature reference internal to the sensor head. This means the sensor head has to be close to room temperature for it to work (i.e. don't leave it in the cold garage like I did ...). It will report HHH when you plug in the probe if the unit is too cold.Highly recommend this product.
KB
Reviewed in the United States on February 16, 2020
The pH meter that I received was defective upon arrival!. Was NOT able to calibrate pH meter. Therfore was not able to use pH meter properly!!so I had to send back!! After I did research on this particular pH meter the reviews that I read weren't very positive reviews about this particular pH meter!! so i requested a refund so I can purchase a different pH meter instead of replacing with this same pH meter!!
Customer
Reviewed in Canada on March 15, 2019
Good, basic entry pH meter
Turrminator
Reviewed in Canada on October 2, 2019
Easy to setup and use, comes with a convenient probe storage container.
John M
Reviewed in the United States on February 15, 2018
I need to accurately measure pH between 1 and 13 for some lab testing. My other meter was awful. I didn't want to spend many $100s or $1000s on a lab pH meter. After much research I came across the Extech PH220-C pH meter. I'm very impressed. I did a 2-point calibration (pH 4 and 7) and tried to measure 0.1N KOH solution (which is a very accurate pH13 solution) - and it read 13.0!Make sure you order some buffer sachets from elsewhere. This meter only comes with two pouches of pre-made solution.BTW, if you are wondering about the brand, Extech are well-known for their multimeters and other voltage measurement equipment. Since a pH meter is nothing more than a voltmeter, it makes sense that Extech make pH meters.
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