Overview
QIWEI PHS-3C is a Benchtop microcomputer pH meter with a measurement ph value accuracy of 0.01pH and a temperature accuracy of +/- 1 ° C. The instrument uses touch button operation, supports manual temperature compensation and automatic identification of calibrated solutions, and is suitable for laboratory precision measurement of solution acidity (ph value) and Electrode potential (mV).
Features
Measurement accuracy up to 0.01pH
2. Measurement accuracy +/- 1 ℃
3. Touch the button to operate
4. Manual temperature compensation function
5. Automatic identification of calibrated solutions
6. Built-in smart chip supports one-point, two-point or three-point Automatic calibration
7. Can measure ph value and mV value
Principle
PHS-3C pH meter detects the concentration of hydrogen ions in the solution through pH composite Electrode, converts chemical signals into electrical signals, and displays the ph value on the LCD screen after processing by the internal circuit of the instrument. The built-in smart chip of the instrument can automatically identify the calibrated solution and ensure the measurement accuracy through manual temperature compensation.
Applications
Laboratory precision measurement of solution acidity (ph value) and Electrode potential (mV)
Steps
1. Preparation before use: Connect Power Adapter, install Electrode, warm up for 5 minutes
2. pH meter calibration: use 4.00, 6.86, 9.18 standard buffer solution to calibrate and slope calibrate
3. measurement solution pH value: adjust the temperature value, after washing Electrode immersion in the measured solution reading
4. measurement mV value: switch to mV file, connect ORP Electrode or Ion Electrode measurement
Notice
• Electrode plugs should be kept clean and drying before use to avoid contamination
• Standard buffer solution should be accurate and reliable to ensure accurate measurement results
• The closer the temperature of the measured solution is to the temperature of the calibrated solution, the higher the Measuring accuracy
• pH Electrode should be selected when aging for a long time
• The pH Electrode used for the first time needs to be calibrated at three points
