What is the proper procedure to calibrate the pH sensor on a Sigma 950?

Document ID

Document ID TE8114

Version

Version 1.0

Status

Status Published

Published Date

Published Date 07/24/2017
Question
What is the proper procedure to calibrate the pH sensor on a Sigma 950?
Summary
Calibration of the pH sensor on a sigma 950.
Answer
  1. From the Main Menu select Options, Advanced Options, Calibration, pH. 
  2. Place the pH probe into the first buffer solution. Press any key to continue the calibration.
  3. Enter the temperature of the first buffer solution using the keypad. Press Accept to continue.
  4. Press Change Choice to select the first buffer solution (4,7,10 pH) then press Accept to continue.
  5. Remove the probe from the first buffer solution, rinse it under distilled water and place it into the second buffer solution (4,7,10 pH - it must be different form the first buffer solution). Press any key to continue.
  6. Press Change Choice to select the pH for the second solution, then press Accept to continue.
  7. The probe is now calibrated.

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