Portable Digital PH Meter PH Test Pen Meter Water Quality Tester Accuracy 0.1pH RTH-572757

Price:
$6.19

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Product Features:

  • PH meter calibration:
  • 1. Pack a 6.86 calibration powder with 250ML of water and shake gently. Put the pen down to check the pH of the solution. If 6.8 is displayed, the pen is accurate.
  • 2. If the display deviates from 6.8, adjust the correction potentiometer (small hole behind) with a small screwdriver until the displayed value matches the ph value of the standard buffer solution at ambient temperature. Do not leave the water when correcting the pen!
  • Precautions:
  • The pH meter must be recalibrated under the following conditions:
  • Used (or placed) for a long time after calibration;
  • The electrodes are used frequently;
  • Measurement accuracy requirements are relatively high.

Product Specifications:

  • Measuring range: 0.0-14.0PH
  • Resolution: 0.1 pH
  • Accuracy plusmn: 0.1pH
  • Power supply 3 x 1.5v (AG-13 button battery)
  • Operating environment: 0~50℃ RH<95%
  • Size: 152 x 29 x 5 mm
  • Weight 50g
  • Suitable for fresh water and sea water

Package Contents:

  • 1 x pH meter
  • 2 x bag cushion powder
  • 1 x Instruction manual

PH meter calibration: 1. Pack a 6.86 calibration powder with 250ML of water and shake gently. Put the pen down to check the pH of the solution. If 6.8 is displayed, the pen is accurate. 2. If the display deviates from 6.8, adjust the correction potentiomet