Safety Maintenance Habits; Input Protection Measures - Fnirsi -S1 Instruction Manual

@riis product uses 3.7V/1000mA thium battery for power supply, and the
battery must be orractiy Installed in the battery box ofthe instrument
@vren the battery undervoltage symbol appears, please charge it in time. A
low battery can causa the meter to read incorrecty, which could resultin electric
shock or personal injury
@in the measurement category, the voltage measurement should not exceed
1000.
®@oa no use the instrument when the protective case lor part of if) is removed.
2. SAFETY MAINTENANCE HABITS
@uten opening the case ofthe instrument or removing the battery covar, the
test lead should be pulled out first
@uten repaiing the insttument, be sure to use the designated replacement
pars
@Betore turning on the Instrument, yau must disconnect all related power
sources, and you must also ensure that you do not have static electricity to
prevent damage lo the components ofthe instrument.
@ro: accurate and correct calibration or maintenance of the instrument, you
should return it to the factory,
@uihen opening the case af the meter, It must be noted that zome capacitors in
the meter still hold dangerous voltages even after the meter is powered off
©: cy abnormelity is observed in the instrument, the instrument should be
stapped immediately and sent for repair And make sure ihat it cannot be used
untlit passes the inspection.
@\'hen not in use fora ong time, and avoid storingin places with high tempera-
ture and high humidity.
3. INPUT PROTECTION MEASURES
@uren performing voltage measurements, the maximum input voltage that
'can withstand is 1000V, either DC or AC
@Can withstand no more than 250VAC voltage or equivalenteffectve
valve voltage.