l
Make sure to use new fuses with proper
rating to instead of bad fuses.
l
To avoid electric shock or damages, do not
apply more than 1000V between the “COM”
terminals and “ ”earth ground.
l
Use caution when working with Voltages
above 60V (DC) or 30Vrms (AC). These
Voltages pose shock hazard.
l
Replace the battery as soon as the battery
indicator “ ”appears. With a low battery,
the Meter might produce false readings
that can lead to electric shock and personal
injury.
l
Turn off the Meter once finished measuring.
l
Do not operate the Meter under adverse
environmental condition including high
temperature and especially humid area as
the Meter's function may be effected after
moisturizing.
l
To avoid damages and dangers, do not
change the circuit.
l
Periodically wipe the cabinet with a damp
cloth and mid detergent. Do not use
abrasives or solvents.
l
International Electrical Symbols:
Low Battery
Earth Ground
Warning
Double Insulated
AC
Diode
Dangerous Voltages
DC
Buzzer
Fuse
Model UT57: OPERATING MANUAL
3
