HM Digital PH-200 Waterproof pH Meter

Part Number: PH-200

Retail Price per Filter: $119.99
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The HM Digital PH-200 Waterproof pH MeterB is ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs and scientific testing. It combines quality and functionality with durability for a lifetime of customer satisfaction.


  • Measures pH and Temperature
  • Auto-ranging three point calibration with digital fine tuning
  • Includes storage solution in a sponge embedded in a clear cap
  • Waterproof housing (IP-67 rating)
  • Simultaneous temperature display
  • Measurement Range: 0-14 pH
  • Digital automatic calibration (one point), with digital fine tuning
  • Automatic Temperature Compensation (ATC)
  • Auto-off function, data-hold function and low-battery indicator
  • Display: large and easy-to-read LCD screen includes simultaneous temperature reading
  • Replaceable Sensor (model SP-P2)
  • Factory Calibrated: The PH-200 meter is three-point factory calibrated to 4, 7, and 10 pH. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
  • Includes a cap, batteries, lanyard, and pH 7.0 buffer


  • pH Range: 0 - 14
  • Temperature Range: 0-80 °C; 32-176 °F
  • Resolution: 0.01 pH; Temperature resolution is 0.1 °C/F
  • Accuracy: +/- 0.02 pH; Temperature accuracy is +/-2%
  • Calibration: Digital automatic calibration (one point) with digital fine tuning
  • Electrode: Replaceable glass sensor and reference tube electrodes
  • Housing: IP-67 Waterproof (submersible; floats)
  • Power source: 3 x 1.5V button cell batteries (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)