WP4C Water Potential Meter User Guide
- June 6, 2024
- METER
Table of Contents
WP4C Water Potential Meter
Preparation
Inspect and verify that all WP4C components are in good condition.
Select a clean, level location where the temperature remains fairly stable.
Locations with high temperature variability (e.g., next to air conditioners,
heater vents, or open windows) can affect the accuracy of readings.
To reduce the chance of the sample material contaminating the measurement
chamber, keep the WP4C on a level surface at all times. Do not move the
instrument while a sample is loaded into the chamber.
Maintenance
The accuracy of the WP4C should be verified at least once per shift. If the
verification standards read out of specification, the instrument needs to be
cleaned.
NOTE: Ensure that the block is properly cleaned before adjusting the WP4C
calibration. Adjusting the calibration without thoroughly cleaning the block
can shift the calibration to a point where it cannot be properly calibrated.
METER recommends factory calibration every 2 years to maintain optimal
performance and accuracy. High usage instruments should be calibrated
annually.
For detailed instructions on how to use the WP4C, consult the WP4C User Manual
(metergroup.com/WP4C-support).
Installation
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Plug In WP4C
Plug the power cord into the back of the WP4C unit and into an outlet.
-
Turn the Instrument On
Flip the black power switch on the back of the instrument.
Allow the WP4C a 15-min warm-up period to ensure accurate readings.
-
Prepare a Sample
Fill a sample cup half full, covering the bottom of the cup.
Do not overfill.
Clean the rim and outside surfaces of the sample cup.
Place the sample cup in the sample drawer.
-
Take a Reading
Push the top left button to select measurement mode. The default is precise mode.
Close the drawer carefully, and twist knob to the READ position to start the measurement. The WP4C will beep and display the measurement results when the test is complete.
SUPPORT
Have a question or problem? Our support team can help.
We manufacture, test, calibrate, and repair every instrument in house. Our
scientists and technicians use the instruments every day in our product
testing lab. No matter what your question is, we have someone who can help you
answer it.
NORTH AMERICA
Email:
[email protected]
Phone: +1.509.332.5600
EUROPE
Email:
[email protected]
Phone: +49 89 12 66 52 0