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chlorine concentration in the standard solution should be between 1.1 and 2.2
ppm.
The corresponding calibration parameters will be updated and saved in the
memory as the working calibration parameter set. Note that this set of
calibration parameters are not the same as the default set. You can use
Default button to copy the default calibration parameters to the working set.
5.8.3 Reagent Blank Calibration
Some methods have a non-zero intercept value in the calibration equation. For
these methods, a proper non-zero intercept value is pre-loaded in SP-910
prior to shipping. The following steps are used to carry out a reagent blank
calibration:
1. Follow the normal steps to carry out a measurement on a deionized water
sample.
2. Press the CONFG button to launch the method configuration page.
3. Press the reagent blank calibration button BLKC
4. Press the OK key to save when exiting from the configuration page or
press other keys to cancel.
5.8.4 Resume to Default Calibration Parameters
Pressing the Default button will copy the default calibration intercept and
slope to the working intercept and slope, respectively. If the default calibration
parameters were created prior to shipping, this button action is to restore the
working calibration parameters to the original factory loaded calibration
parameters.
6 Turbidity Measurement
6.1 Operation
Follow the following steps to measure turbidity:
1. Fill the 10 ml sample vial to above the 10 ml mark.
2. Insert the sample vial to the sample vial compartment.
3. Slide the light shield cover to the closed position.
4. Press the Turb on the main page, then press the OK key, The SP-910 will
start to measure the turbidity in the sample.
6.2 Turbidity Calibration
1. Fill the 10 ml sample vial to above 10 ml mark with the deionized water.
2. Insert the sample vial to the sample vial compartment.
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