User Manual

Pico Technology WPS500X User’s Guide
DO157-9 13
9. Maintenance
Cleaning the housing
Clean the transducer’s housing by wiping it with a rag moistened with clean water
or water-based detergent. Allow the housing to dry before use.
Do not use fuel or any other solvent
Do not use abrasive cleaning agents
Do not submerge the unit in any liquid
Do not dismantle the unit
Do not use the unit until it is perfectly dry.
Cleaning the measurement chamber
See Section 8 above.
Recharging the internal battery
To charge using a computer, switch on the computer and allow it to boot.
Disable any power-saving modes to ensure that the computer does not switch
off before recharging is complete. Connect the transducer to the USB port of the
computer using the USB charging cable provided.
To charge using a USB wall charger, connect the transducer to the charger using
the USB charging cable provided.
Leave the transducer to charge for 5 hours.
Unplug the USB cable from the transducer before use. Leaving the cable
plugged in may affect measurement accuracy.
The battery inside the WPS500X is designed to give a long service life and is not
user-replaceable.
Repairs
If the unit is damaged or stops working, or the battery is not charging or holding
charge, return it to Pico Technology or an authorized Pico distributor for repair. Do
not attempt to dismantle or repair the unit.
Replacing the bleed valve ball (if fitted)
If the ball in the bleed valve is lost, it can be replaced with a standard 0.25 inch
(6.35 mm) steel bearing ball. To re-seat the ball, clean the port and then seat the
ball using a brass drift.