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Your cart is empty. Apera Instruments TDS20 Pocket TDS Tester Kit is built for professional TDS measurement of general water soliutions, including tap water, agriculture, aquaculture, pools& spas, education, environmental monitoring, etc.
Range: 0-100.0 ppm, 0-1000 ppm, 0-10.0 ppt (10,000 ppm), Accuracy: ±1% F.S. 1-2 points auto. calibration, 0 to 50˚C auto. temp. compensation.
The BPB (Brush-Resistant Platinum Black) sensor adopts Apera's special processing technology, which minimizes electrode polarization, expands measuring range, and increases firmness of the electrode, hence ensuring a much higher accuracy and consistency in a wide-range TDS measurement than traditional stainless steel electrodes, and is easy to clean.
The large LCD screen has ppm/temp. value dual display and indications of completed calibrations and stable readings.
Practical functions to make your TDS testing easier and more reliable: 2-point auto calibration, 0 to 50˚C auto. temp. compensation. Customizable TDS factor from 0.4 to 1.0. Self-diagnosis with out-of-range and low battery warning.
Complete kit: TDS20 meter, 2 bottles of calibration solutions, AAA batteries, and a lanyard all in a portable carrying case. IP67 water-resistant. Up to 1000 hours of use powered by 4 AAA batteries. Low power alarm and auto. power off in 8 min if no operation.
The product is CE and RoHS certified, and is manufactured under an ISO 9001:2015 certified quality system.
Curt L.
2025-09-06 18:27:47
I ordered this TDS Pocket Tester because I was so impressed with the Apera PH meter.They seems to be high quality and built with lasting materials. It not your ordinary cheap light weight plastic PH meter. It is a little pricey, but this one will last! You will also get awesome Accuracy: ±1% F.S.Calibration is easy and exactly the same as you would do for the PH meter. In fact, both PH and TDS calibration is on the same page, same buttons and all. This make it very easy to remember how to calibrate without different manuals.I really like / appreciate the case, calibration and 2 calibration solutions are stored in a really nice strong case. Keeping everything together and ready to use is Key!!I have just started using the TDS meter and getting use to liquid nutrients. This is the reason I purchased the meter. From what I see so far it it a great TDS meter.I have nothing to compare to but just the impressive quality tells me I should be good with with one!
John
2025-08-22 11:44:43
This is a professional quality TDS meter. Highly accurate readings every time.
Drew K
2025-08-13 16:59:08
It does what it says it does with a high degree of accuracy and I found it very easy and fast to use after calibration.
Andrew H. Nguyen
2025-08-07 18:11:33
The kit came with Quality Certificate card, tested at 84 mS/cm, 1413 mS/cm & 12.88mS/cm, with SKU, serial number & country of origin.The instruction is easy to follow (the font is too small though, they do include laminated instruction card and you can download the instruction PDF from the factory).The kit came with 2 bottle of calibrating solution, which I use every time when measuring my APEC R.O. system (probably overkill). The tool came factory calibrated and instruction states use one solution (1413 mS/cm) to calibrate is good enough.Important tip to prolong the life of the calibrating solution is avoiding contamination. Simply rinse & dry the probe tip before and after every measuring/calibrating session help. The manufacture suggest replace the calibrating solution after 5-10 times of calibration to keep its accuracy
Russell Petty
2025-08-01 11:03:45
i calibrated it with the regents and calibrated fine, however it wont give me a reading whentrying to test, nothing ,maybe needs better instructions.
Customer
2025-07-18 15:01:46
Well designed for a $60 instrument. Instructions seriously lacking with regard to clarity. Turn it on by quickly pressing top button. Quickly...... I also have the pH version and it is equally well designed.
Celeste Gaelle King
2025-06-29 12:11:01
Works good at first but ends up dying quite quickly
Mr. S.
2025-06-22 18:04:13
This TDS meter comes with everything you need to get started.. does what it's suppose to do.. all good so far
Denizen
2025-06-11 11:56:27
I love the ph meter and am glad to now have TDS meter. I had no idea just how hard my tap water. Super super useful. I may very well add an EC meter to my little Apera collection next.
Steve.L
2025-05-22 18:08:52
As title
dap
2025-04-21 19:26:28
Mesure simple et rapide, contrôle et étalonnage aisé sans devoir jouer du tournevis grâce a la reconnaissance digitale et les solutions d'étalonnage livrées dans le coffret.
Marroyo
2025-03-09 11:49:30
No vienen instrucciones en español
カスタマー
2025-02-19 12:38:06
TSDメーターを2本æŒã£ã¦ã„ã¾ã™ãŒã€æ¸¬å®šçµæžœã®å·®ã«ã²ã‚‰ããŒã‚ã‚ŠéŽãŽã‚‹ã®ã§ã€ã“ã®å•†å“を購入ã—ã¾ã—ãŸã€‚購入ã™ã‚‹ã«å½“ãŸã£ã¦ã¯ã€pHメーター（PH-20）をæŒã£ã¦ã„ã¦ç²¾åº¦ã‚‚良ã‹ã£ãŸã®ã¨ã€è‡ªåˆ†ã§æ ¡æ£å‡ºæ¥ã‚‹ç‚¹ã‚’考慮ã—ã¦æ±ºã‚ã¾ã—ãŸã€‚購入ã—ãŸã°ã‹ã‚Šãªã®ã§è€ä¹…性ã¯åˆ†ã‹ã‚Šã¾ã›ã‚“ãŒã€æ¸¬å®šçµæžœã¯æº€è¶³ã„ãã‚‚ã®ã§ã—ãŸã€‚æ ¡æ£ã®æ‰‹é †ã‚‚ã€ã‚¯ã‚¤ãƒƒã‚¯ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã«å›³è§£ã§èª¬æ˜ŽãŒã‚り分ã‹ã‚Šã‚„ã™ã‹ã£ãŸã§ã™ã€‚
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