DIGIWEIGH DWP-PC - Manual (Page 24)

10. DAILY CARE AND MAINTENANCE
 Clean the instrument with a soft, damp cloth. If necessary, use a mild
detergent in water,
 Do not use any harsh, abrasive material, acetone, volatile solvent,
thinner or alcohol for cleaning,
 Verify the accuracy of this unit periodically. Re-calibrate this unit if
necessary. In some countries, calibration requires authorized /
qualified agent. Contact your dealer for more information,
 Store this unit in a dry and clean place,
 Recharge battery before and every 2 months during long time
storage.