18
INTERFERENCES
Interference may be caused by excessive amounts of heavy metals.
Note: If the sample is very acidic, some extra drops of HI93735B-0 buffer reagent may be added.
MEASUREMENT PROCEDURE
VALIDA
TION PROCEDURE
• Turn the meter on by pressing
ON/OFF
.
• When the beeper sounds briefly and the LCD displays dashes, the meter is ready. The blinking
“ZERO”
indicates that the instrument needs to be zeroed first.
Use the validation procedure to ensure that the instrument is properly calibrated.
Warning:
Do not validate the instrument with any standard solutions other than the Hanna Instruments
CAL Check
TM
Standards, otherwise erroneous results will be obtained.
Содержание HI96735C
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