Myron L 9PTK with FCE Free Chlorine - Manual (Page 31)

27
a. While in User mode, press .
b. Press twice (to skip over tempco adjustment) and
“ratiO” will appear (see Figure 4).
c. Adjust with or key until new conversion ratio is
displayed.
d. Press twice (to skip over calibration adjustment) to
accept new conversion ratio. You are now ready to measure
samples with the new conductivity/TDS ratio.
vii. calibratiOn
A. Calibration Intervals
generally, calibration is recommended about once per month with
Conductivity or TDS solutions. Calibration with pH solutions should
be checked twice a month. Calibration of ORP is not necessary (ref.
CALIBRATION INTERVALS TABLE under Calibration Steps, pg. 28).
B. Rules for Calibration of the Ultrameter III
1. Calibration Steps
The following table lists measurement functions and their corresponding
calibration requirements: