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YOKOGAWA PH450G User Manual

YOKOGAWA PH450G
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<17. CALIBRATION OF SENCOM pH/ORP>
17-5
IM 12A01A02-01E 8th Edition : Oct. 01, 2015-00
17.1.3 Sample calibration
A sample calibration is a single-point calibration for only the zero (asymmetric). It adjusts the
recorded reading to a collected sample value. Press [Take Sample] to record a collected sample
value in memory. Re-enter the Sample Cal. screen and press [Start calibration] to perform a
sample calibration. This updates the recorded data.
NOTE
When a sensor or an electrode is exchanged or replaced, sensor wellness data should be reset.
When a sensor is replaced, the replacement can be recorded manually into a logbook. (Refer to
the gure 15.11.)
17.2 Temperature calibration
For the most accurate measurements, it is important to have a precise temperature
measurement. Measure the temperature with a high-precision thermometer and adjust the
sensor reading accordingly. For best accuracy, this should be done as near to the normal
operating temperature as possible.
17.3 ORP calibration (rH calibration)
The calibration modes for ORP or rH are “Manual” and “Sample”. No automatic calibration
feature is available in an ORP or rH calibration.
Calibration is performed stepwise. Follow the prompts displayed on the screen.
A stability check is made at each measurement point. Proceed to the next step only after the
reading has stabilized.
NOTE
When a sensor or an electrode is exchanged or replaced, sensor wellness data should be reset.
When a sensor is replaced, the replacement can be recorded manually into a logbook. (Refer to
the gure 15.11.)
17
SENCOM

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YOKOGAWA PH450G Specifications

General IconGeneral
BrandYOKOGAWA
ModelPH450G
CategoryMeasuring Instruments
LanguageEnglish

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