SX610 pH Pen Tester/Meter, Suitable for Test Tube pH Testing

SX610 pH Pen Tester, Suitable for Test Tube pH Testing

In stock
  • Easy SINGLE-Button Operation, Smallest Pen-Style design with replaceable probe (good for test tube measurements)
  • AUTO Calibration with auto buffer recognition; Auto Temperature Compensation (ATC) ensures accuracy in variant temperatures (0-60℃)
  • COMPLETE KIT with READY-TO-USE calibration solution, KCl storage solution, and batteries in a portable carrying case
  • Intelligent functions: automatic power-off, low battery alarm, and pH probe invalidation reminder
  • AUTO RECOGNITION and REMINDER of stable values improves consistency, saving you the trouble of guessing when to manually hold measurement

The Apera Instruments SX610 pH Pen Tester is featured with reliable measuring performance with a single-button operation in a slim body. A cost-effective choice for your regular pH testing, including hydroponics, water treatment, education, pools& spas, and etc. The pH probe is replaceable and suitable for test tube measurements, which is especially good for educational use.

Easy Auto Calibration (1 point: 7.00 pH) with buffer recognition and 0 to 60˚C Auto Temperature Compensation (ATC), ±0.1 pH/1.0˚C accuracy with 0 to 14.0 pH measuring range. Intelligent functions: automatic power-off, low battery alarm, pH probe invalidation reminder (remind you to replace the probe for better performance).

The SX610 pH Pen Tester/Meter comes with a complete kit of premixed calibration solutions (7.00 pH), storage solutions (3M KCL), CR2032 lithium batteries all in a portable carrying case. IP57 waterproof and dustproof floats on water, so you don’t have to worry if it falls into the water by accident.

CE-Certified with a 2 year warranty for the meter and 6-months for the probe.

SX610 manual (SX610_Pen_Testerv2.3.pdf, 208 Kb) [Download]

I have had this ph pen for a few months now. I am very pleased to say the least. I have bought a few other ph pens from amazon and none compare to this one. This one is waterproof and if the probe goes bad you can buy a new probe instead of having to buy a whole new pen, great idea. I use this pen for the phing nutrients for my garden
Worth the money
This is for sure a cut above the lower priced ones you can get on ebay (for as little as $10!). It has 1 point calibration, which is the main reason I got it. It requires calibration with at least every 2nd usage, but it's a very quick and easy affair to do so. I find readings tends to vary by 0.1-0.2 pH, especially in liquids that are 'frothy' at all (I use this for fruit preserves production mostly). I usually take 5 or 6 readings and go with the one that turns up the most.
These are sensitive instruments, so they should not be treated roughly. That being said, it's a pretty durable little unit. It fits easily into a short test tube, but not a longer one. The case is awesome and it comes with a small supply of requisite fluids.
All things said, I'm in love with this unit. I think it compares favorably with the more expensive Hanna and Oakton meters I've had in the past. The accuracy seems to be on par with any other meter less than $100.
I am really pleased with this Apera SX610 ph tester. I am using it for a hot tub. It is a much higher quality tester than the cheap Yellow ones all over Amazon. I have used one of those for about two years. So far this SX610 is faster, more accurate, and the reading doesn't drift like the cheap meters. I am pleased with it so far. If it had a back light on the screen I would give it a perfect 5 stars. I definitely recommend this product. It comes in a nice complete kit with extra batteries and Buffer Solution. It is easier and quicker to calibrate than the other since you only use the 7.0 Buffer Solution. I would purchase again.
I wanted the pH tester because I did not trust the test strips you get with pool test kits. My pool test kit says the pH is 7.2 my meter says 7.7, keeping the pH around 7.0 means less chemicals to fight algae. Now I can correctly maintain my pool pH. My only suggestion would be a section in the instructions on how to safely remove the probe, I feel like I may break the unit if I improperly the probe to expose the area to replace batteries
This product, the
SX610 Waterproof pH Pen Tester, ±0.1 pH..., works so nicely that I have purchased a second one for my godmother! I love it and encourage others to try this reader. It really makes measuring ph levels simple. Thanks for such a great product.



SO... I PURCHASED AGAIN: The SX610 Waterproof pH Pen Tester, ±0.1 pH... works so nicely that I have purchased a second one for my godmother; she loves it! She is in her 70's and needs something simple to help improve her diet intake of alkaline foods and water; and, this device works just well for her. She is now able to monitor herself and not rely on waiting until her acid level is so high that she finds out because she is at the hospital. She is now able to keep control of her health. Improvement in her acid levels were seen soon as she had control over knowing the acid levels of her food and water.

I love it and encourage others to try this reader. It really makes measuring ph levels simple. Thanks for such a great product.
This PH pen is fantastic. I have used blue labs, and a slew of cheaper stuff and this is the one I will replace when I need a new one or a second. Keeps calibrated for quite a while and it spot on with numbers. Very recommended.
I am very happy with my ph pen. Item came quickly, packaged well and I really appreciate the case it comes in to keep everything orderly. After using the included calibration solution I set my watering ph the the intended levels and the plants around the house have responded well. After a month, my wife is amazed at the difference in her plants. It's so easy and fun to use Iwish I had more water to
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