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Apera Instruments PH20 Value pH Meter
Apera Instruments PH20 Value pH Meter
438.00 Grams
Calculated at checkout
Apera Instruments PH20 Value pH Meter
Apera Instruments PH20 Value pH Meter Case
Apera Instruments PH20 Value pH Meter Probe
Apera Instruments PH20 Value pH Meter Batteries
Apera Instruments PH20 Value pH Meter In use image
Apera Instruments PH20 Value pH Meter Specification
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Product Description


Simply the most reliable pocket pH tester with the best value for all kinds of regular pH testing, such as hydroponics, pools and spas, water treatment, beer brewing, wine making, etc.


Up to 3 points of Auto calibration and 0 to 50˚C Auto temperature compensation (ATC), ±0.1 pH Accuracy with 0 to 14.0 pH measuring range; Auto recognition and indication of stable values improves repeatability, saving you the trouble of guessing when to manually hold measurement.


With an Ultra clear 180˚ viewing angle screen, it supports dual display of Temp./pH value and indications of completed calibrations (where L/M/H indicate 3 points of calibrations) and stable readings (with a smiley face).


Comes with a complete Kit of premixed calibration solutions (4.00 and 7.00), 4 AAA batteries and a lanyard all in a portable carrying case.


Smart Self-diagnosis, warning of out-of-range measurement and incorrect calibrations.


IP67 waterproof and dustproof, floats on water so you don't have to worry if dropped in water by accident.


Up to 2000 hours' continuous operation powered by AAA batteries (with low power warning and Auto power off in 8 min if no operation).


The meter is CE certified (6 months for the probe).


Apera designs and manufactures scientific analytical instruments like meters and sensors for pH, conductivity, turbidity and dissolved oxygen for over 25 years and meets ISO 9001:2008 Standards.


NOTES: The instrument will NOT give accurate or stable readings for distilled or deionized water's pH testing. This is because distilled and deionized water do not have enough ions present for the electrode to function properly. To measure distilled or deionized water’s pH, users need to use a specialized pH electrode.


Do NOT store the probe in distilled water or deionized water because they will cause damage to the glass membrane of the pH probe. Only use distilled water for cleaning the pH probe.


Technical Specifications:

  • Accuracy: ±0.1 pH, ±0.5˚C.
  • Range: 0 to 14.0 pH.
  • Temperature Range: 0 to 50˚C (ATC).
  • 1-3 point Auto Calibration with auto buffer recognition.
  • up to 2000 hours of operation powered by AAA batteries.
  • Smart Self-Diagnosis.
  • Easy Auto calibration with Buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0C)
  • Complete Kit with ready-to-use calibration solutions, batteries, and a lanyard in a portable carrying case
  • Auto recognition of stable values improves consistency so you don't have to guess when to manually hold measurement
  • An ultra-clear 180 viewing angle screen with dual display of Temp./pH and indications of completed calibrations and stable readings
  • 2000 hours' continuous operation, powered by AAA batteries

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What is Reverse Osmosis?

Reverse osmosis (RO) is a filtration method that removes many types of large molecules and ions from solutions by applying pressure to the solution when it is on one side of a selective membrane. The result is that the solute is retained on the pressurized side of the membrane and the pure solvent is allowed to pass to the other side.

Reverse osmosis is most commonly known for its use in drinking water purification from seawater, removing the salt and other substances from the water molecules.

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