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

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.

Related Products of pH Tester

Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.

pH measurement range 0.0 - 14.00 pH
Shape of electrode Long distance planar pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points
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
pH measurement range pH range: (-1.00) to 15.00 pH
Shape of electrode Long distance planar pH electrode
pH measurement accuracy ± 0.01 pH
Calibration point 1 - 3 points
pH measurement range pH range: (-1.00) to 15.00 pH
Shape of electrode Round glass pH electrode
pH measurement accuracy ± 0.01 pH
Calibration point 1 - 3 points
pH measurement range pH range: (-1.00) to 15.00 pH
Shape of electrode Different electrodes can be connceted via BNC Connector
pH measurement accuracy ± 0.01 pH
Calibration point 1 - 3 points
pH measurement range 0.0 - 14.00 pH
Shape of electrode Flat pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points
pH measurement range pH range: (-1.00) to 15.00 pH
Shape of electrode Long distance planar pH electrode
pH measurement accuracy ± 0.01 pH
Calibration point 1 - 3 points
pH measurement range 0.0 - 14.00 pH
Shape of electrode Round glass pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points
pH measurement range pH range: (-1.00) to 15.00 pH
Shape of electrode Round glass pH electrode
pH measurement accuracy ± 0.01 pH
Calibration point 1 - 3 points

pH Tester

Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.

pH measurement range 0.0 - 14.00 pH
Shape of electrode Round glass pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points
pH measurement range 0.0 - 14.00 pH
Shape of electrode Long distance planar pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points
pH measurement range 0.0 - 14.00 pH
Shape of electrode Flat pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points
Determination range
0 to 35 mg/L, 0 to 70 mg/ L, 0 to 350 mg/L, 0 to 700 mg/L (without dilution)
0 to 4000 mg/ L (need to dilute) (subsection measurement)
Measurement error Less or less than 10 %
Sample container/ bottle quantity 1 to 6
Sample container/ bottle Capacity 1000 ml
Dissolved oxygen range 0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen Calibration points 1 - 2 points
Dissolved oxygen accuracy ± 0.5 mg / L
Dissolved oxygen resolution 0.1 mg / L

pH Meter (Benchtop)

Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.

pH measurement range -1.00 to 15.00 pH
pH accuracy ± 0.01 pH
pH resolution 0.01 pH
Calibration points 1-3 points
Temperature compensation 0 to 100°C, 32°F to 212°F Manual or Automatic
Hold function Manual or automatic endpoint detection
Stability criteria Standard or High-accuracy
Interval readings 10, 30, 60 seconds, 10, 30 minutes or Off
pH measurement range 0.00 to 14.00 pH
pH accuracy ± 0.01 pH
pH resolution 0.01 pH
Calibration points 2 points
Range 0 to 1.0 aw
Resolution 0 to 1.0 aw
Accuracy ± 0.02 aw
Sensor Nonconductive humidity sensor
Measuring range Water activity 0 to 0.980 aw (no condensing )
Temperature range 0 to 50°C
Measurement accuracy ± 0.015 aw
Temperature accuracy ± 0.5°C