DO calibration
17
●
Zero calibration
1. Dip the DO electrode in the zero standard solution.
2. Press the
key. Meter starts checking various calibration values with a blinking
on
screen.
3. Wait for the
to stabilize (stable calibration reading).
4. Press the
key again to move to Zero Calibration mode.
5. Press the
ENT
key to confirm and save calibration data.
6. Meter displays
DONE
indicating end of the zero calibration procedure.
• Calibration performed with zero standard solution is referred as zero calibration.
• Prepare zero standard solution by adding 50 g sodium sulfite (Na
2
SO
3
) to 1000 mL
deionized water and stirring the mixture to completely dissolve the Na
2
SO
3
.
Note
Summary of Contents for LAQUA-PD210
Page 1: ......
Page 2: ......
Page 49: ...Data set up 35 DO mode...
Page 51: ...Data set up 37 DO mode...
Page 53: ...Data set up 39 DO mode...
Page 56: ...General set up 42 DO mode...
Page 58: ...General set up 44 DO mode...
Page 60: ...General set up 46 DO mode...
Page 62: ...General set up 48 DO mode...
Page 65: ...Clock set up 51 DO mode...
Page 67: ...Clock set up 53 DO mode...
Page 86: ...Specifications 67...
Page 88: ......
