Calibration; X84; Chlorine Standards; X84; Chlorine Calibration Procedure - LaMotte DC1500-CL Manual

CALIBRATION

Chlorine Standards
The meter should be calibrated with free chlorine standards. The calibration
should be done with a distilled or deionized water blank and one chlorine
standard of known concentration. The concentration of the calibration
standard should be similar to the expected concentration of the sample that
will be tested.
To perform a bromine calibration, prepare a chlorine standard with a
concentration that is equivenlent to a bromine standard that is within the
range of the bromine test. (1 ppm chlorine = 2.25 ppm bromine). Follow the
procedure below but select the bromine test.
Chlorine Secondary Standards (Code 4140-03) are available to verify the
performance of the meter.
CHLORINE CALIBRATION PROCEDURE
1. Press and hold
colorimeter turns on.
2. Press
Menu.
3. Press
Menu.
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to select Testing
ENTER
to select All Tests
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Testing Menu
Editing Menu
Run PC Link
12:00:00
All Tests Menu
Absorbance
12:00:00
Chlorine TT
Chlorine Liq DPD
Bromine TT
Bromine Liq DPD
12:00:00
12
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