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4 CALIBRATION
24
4.4
Calibrating pH
pH is optional.
There are two calibration patterns for pH. See "4.1 Calibration Patterns and Cycles" (page 17)
and select one of the patterns.
Every month calibration using sample water is recommended to measure accurate pH value.
4.4.1
pH 6.86 calibration and pH 9.18 calibration <pH>
Preparation
Calibration tank…2
pH 6.86 standard solution…1 L (Pour the solution into one of the calibration tanks)
pH 9.18 standard solution…1 L (Pour the solution into the other calibration tank)
Used fluid tank (Install it so that used fluid flows into the tank)
pH 6.86 calibration
Calibrate in the order of pH 6.86 calibration
→
pH 9.18 calibration.
pH 6.86 calibration
1.
Place the calibration tank with pH 6.86 standard solution beside the device.
2.
Connect the tank to the calibration inlet of the device.
3.
Open the valve of the calibration tank.
MEASUREMENT screen CALIBRATION screen pHCAL. screen
See "4.3 Displaying the Calibration Screen" (page 23).
[CAL.] [pH]
Calibration
solution tank
Connection
Sample water feed valve
must be closed.
Summary of Contents for TW-100
Page 1: ...Water Distribution Monitor TW 100 Instruction Manual CODE GZ0000080187H ...
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