HM Digital® Waterproof pH Meter

HM Digital® Waterproof pH Meter

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List Price: $9995
Now: $7995
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HM Digital Waterproof pH Meter

The PH-200 is a professional grade pH/Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, and agriculture.


  • Waterproof housing (IP-67 rating)
  • Digital automatic calibration (one point), with digital fine tuning
  • Automatic Temperature Compensation (ATC)
  • Auto-off function, data-hold function and low-battery indicator
  • Easy-to-read LCD screen with simultaneous temperature display
  • Replaceable Sensor (model SP-P2)
  • Factory Calibrated: The PH-200 meter is three-point checked and factory calibrated to pH 7.0.
  • Includes a translucent cap, 2 Triple A (AAA) batteries, lanyard, and pH 7.0 buffer (sachet)



  • Aquaculture
  • Aquarium
  • Drinking Water
  • Food & Beverage
  • Hydroponics
  • Pool/Spa
  • Water Treatment


HM Digital Waterproof pH Meter

pH Range: 0 – 14

Temperature Range: 0-55 °C; 32-130 °F

Resolution: 0.01 pH; Temperature resolution is 0.1 °C/F

Accuracy: +/- 0.1 pH; Temperature accuracy is +/-1%

Minimum EC/TDS: 5 uS/10 ppm

Electrode: Replaceable glass sensor and reference tube electrodes

Housing: IP-67 Waterproof (submersible; floats)

Power source: 2 x Triple A (AAA) included

Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)

Weight: 96.4 g (3.4 oz)


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