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1. This instrument contains sensitive parts and must
be protected from dust and damp. Keep gauge and
sensors clean to ensure accurate readings.
4. Maintenance
2. Diode working voltage is approx. 5 mA. Dry
batteries have a limited lifetime. Do not keep the
instrument’s buttons depressed for long periods.
Press briefly when taking readings. A brief press is
sufficient and saves power.
3. Keep the instrument clean and dry.
Storage temperature: 0-40 °C
Relative air humidity: < 85 %.
Remove battery if not to be used for a long period.
Environmental information
You can help protect the environment! Follow local
environmental regulations: Dispose of unwanted
electrical equipment at an approved refuse
disposal centre.
battery voltage is less than 7.2 V, replace the battery.
Remove cap, remove the three screws, replace
battery and reassemble.
