What is the calibration procedure for the SP 510 Hardness Analyzer?

Document ID

Document ID TE9425

Version

Version 2.0

Status

Status Published

Published Date

Published Date 03/06/2019
Question
What is the calibration procedure for the SP 510 Hardness Analyzer?
Summary
SP510 Calibration
Answer
The SP 510 is calibrated with a two point calibration where the sample is first made hard, then soft. Calibrations should be performed after reagent installation or when an optical system component is replaced.
 
1. Remove the plug from the top port of the colorimeter.
2. Push HARD CAL .The hard cal LED will be on continuously.
3. When the hard cal LED flashes, add two drops of Magnesium Standard Solution (Product # 102233) into the colorimeter.
4. When the LED stops flashing and is on continuously, wait for the cycle to complete. At the end of the cycle, the LED sets to off to show a successful calibration. If the calibration is successful move on to step 6.
5. HARD CAL failure: When the LED starts to flash, push HARD CAL to confirm a hard cal failure. You will need to perform steps 2–4 again.
6. Push ZERO CAL .The zero cal LED is on continuously.
7. When the zero cal LED flashes, add two drops of EDTA Solution, 10 g/L, (Product # 102133) into the colorimeter.
8. When the LED stops flashing and is on continuously, wait for the cycle to complete. At the end of the cycle, the LED is set to off to show a successful calibration.
9. ZERO CAL failure: When the LED starts to flash, push ZERO CAL to confirm a zero cal failure. You will need to perform  steps 1–7 again. If the calibration is successful move on to step 10.
10. Replace the plug in the top port of the colorimeter.
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