PHTK-91 Digital 0~14 pH Temperature Meter ATC Hydroponics Water Quality Aquariums Tester, Laboratory

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Applications: Pools Aquariums Laboratories Aquaculture Car Washes Water Testing Wastewater treatment and many more applications Features: CE Marking Replaceable pH electrode Automatic & Ma...
$36.90 USD
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  • Pools
  • Aquariums
  • Laboratories
  • Aquaculture
  • Car Washes
  • Water Testing
  • Wastewater treatment and many more applications


  1. CE Marking
  2. Replaceable pH electrode
  3. Automatic & Manual Calibration
  4. Easy 3 points Calibration
  5. Measure Temperature & pH values simultaneously
  6. Automatic Temperature Compensation (ATC)
  7. Selectable °C and °F
  8. Patented design
  9. Measures alkaline solution
  10. Data Hold function
  11. Auto power off with disable feature
  12. Easy read to 45°angle shape
  13. Portable design with pocket clip
  14. Low battery, Over Range, Calibration and Measuring indicators


  • Waterproof Grading: IP66 100% splashproof & dustproof
  • Measuring Range: 0~14PH
  • Resolution : 0.01pH
  • Accuracy : ±0.05pH
  • Temperature compensation: 0~50°C
  • Temperature compensation accuracy: ±0.3°C
  • Operating temperature: 0~50°C(32~122°F)
  • Storage temperature: 0~50°C
  • Operating humidity: 0~80%RH
  • Auto power off: 20 minutes idle (with disable feature)
  • Input impedance: 10Ω (ohm)
  • Power Supply: 2 x CR2032 Button Batteries
  • Size : 149 x 37 x 42mm

Set Includes:
  • 1 x pH Meter 
  • 3 x pH powder : pH 4.01  7.00  10.01 
  • 2 x CR2032 Button Cell Battery 
  • 1 x Carrying Pouch 
  • 1 x English Operation Manual
  • Standard Packaging Box

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund in the same payment form used at the time of purchase within four weeks of giving your package to the return shipper. This time period includes the transit time for us to receive your return from the shipper, the time it takes us to process your return once we receive it, and the time it takes for the refund to be credited to your account.

For more information, please refer to our Return, Refund & Warranty Policy or contact us.

Shipping Policy

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

For more information, please refer to our Shipping Policy.

Warranty Policy

Most of our items come with 1 year warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.

The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.

For more information, please refer to our Warranty Policy.

1-Year Warranty
30-Day Returns
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