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Pocket pH tester LPPT-A21

Pocket pH tester LPPT-A21

Pocket pH tester LPPT-A20 comes with 0.0 to 15.00 pH range. Its has flat shape pH electrode. It is suitable for measuring pH of liquids and semi-solid substance. This pH tester series comes with 1 - 3 points push button calibration system to automatically identify pH buffer. Its built–in system menu can customize calibration points, pH buffer standard, data hold function, shutdown and four other functional parameters as per requirement.



pH measurement range pH range: (-1.00) to 15.00 pH
Shape of electrode Flat pH electrode
pH measurement accuracy ± 0.01 pH
Calibration point 1 - 3 points
Calibration solution USA (pH 4.0/7.00/10.01), NIST (pH 4.01/6.86/9.18)
Temperature compensation range 0 °C to 60 °C, Automatic
Data hold function Manual or Automatic
Connector 6 pin
Shutdown mode Manual or automatic ( 8 minutes without key operations)
Dimension (length × diameter) 185 × 40 mm
Weight 100 g
Power type 2 × 1.5 V AAA batteries
Battery life About 200 hours


  • pH measurement range: 0.0 - 15.00 pH
  • Flat pH electrode
  • LCD screen display to show the readings
  • 1 - 3 points push button calibration to automatically identify pH buffer
  • Auto hold function freezes stable, final readings for better viewing and recording
  • Automatic power off helps to reduce battery power consumption
  • Replaceable electrodes, cost effective maintenance
  • Alarm icon to indicate low battery


Pocket pH tester is suitable for measuring pH of water, waste water, potable water and other liquids and semi-solid substance like gel, agar in enviornmetal monitoring, agriculture, food & beverage industry.

Standard Accessories

pH electrode
pH buffer solutions (pH 4.01/7.00/10.01)
Carrying case
AAA Batteries

Optional Accessories

Flat shape pH electrode
pH standard buffer USA (pH 4.01/7.00/10.01), NIST (pH 4.01/6.86/9.18)

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