LaMotte 1200 Instruction Manual page 19

The 1200 can be calibrated with two prepared standards. The concentrations
u
of the standards should be chosen from the low and high ends of the range of
the meter. The low standard must be less than 5% of over range. To calibrate
the meter with two standards, follow steps 1-11 of the calibration procedure
for one reacted sample. Repeat steps 1-11 of the calibration procdure with
the second reacted standard.
The calibration procedure should be followed as often as required by
u
regulations and laws for compliance monitoring.
To reset the calibration to the factory calibration: with the meter off, hold
u
down the t and push
will be reset.
. The meter will turn on and the calibration
READ
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