Sofamel IER-4000 Manual De Instrucciones página 31

Safety
Caution
Check if the total length of testing wires is inserted into the port before a measurement.
Take out of the batteries from the cartridge if the meter will not be used or will be stored for long.
Don't expose the meter to sunlight, high temperature, humidity or dew
Clean the meter with neutral solvents or wet cloth instead of abrasives or organic solvents
Lay the meter in store only when it is dry.
Caution
Using this appliance in an environment with a strong radiated radio-frequency electromagnetic field
(approximately 3V/m ),may influence its measuring accuracy. The measuring result can be strongly
deviating from the actual value.
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