5
Operating environment for safety use
This product is designed to be used safely in the following conditions.
Make sure of the operating environment before use.
• Indoor use
• Altitude: up to 2000m
• Temperature: 10 to 200°C
• Relative humidity: environmental temperature up to 31°C, max. 80%; at 35°C, max. 65%
• Power supply voltage fluctuation: wthin 10% of nominal voltage
• Transient overvoltage: within the Overvoltage Category II (conforms to IEC60664-1:2007)
• Pollution Degree 2 (conforms to IEC60664-1:2007)
Installation and storage
• Avoid using or storing the unit in a location where it would be exposed to excessively high or low temperatures,
high levels of humidity, direct sunlight, electromagnetic interference, corrosive gases, or large amounts of dust.
• Place the unit on a flat and stable surface where it will not be subjected to significant vibration during use.
• When moving the unit, never tilt it any more than necessary.
• Take care never to drop or bump the unit or otherwise allow it to be subjected to strong shocks or the
application of excessive force.
• When removing the power cable or other cables, never pull on the cord or cable and instead hold the plug or
cable connector.
• Do not install the unit in a place where handling the power cable and connectors or turning the power switch is
made difficult.
• When the unit is not to be used over an extended period of time, turn off the power and remove the power plug
from the outlet.
• Use the supplied power cable and make sure to connect to the protective earth.
Cleaning
• To clean the surface of the unit, wipe off using a soft dry cloth.
• Do not use abrasive detergent such as paint thinner or benzene when cleaning this product.
• The grain of rice fallen inside the measurement chamber will exit directly onto the base surface. Collect the
fallen grains regularly.
• Do not damage, heat, or place heavy object on the power cable or connectors.
Otherwise, it may cause fire or electric shock, etc.
• When connecting with other devices, first, turn off the power of each unit.
• Do not connect/disconnect the power plug with wet hands. Otherwise, it may cause an electric shock, etc.
• In the maintenance work, remove the plug from the outlet for safety. Otherwise, it may cause an electric
shock.
• To disconnect the plug or connector, make sure to hold the plug or connector, not to pull on the cable.
CAUTION
Burn Hazard Electric Shock
