1.2.8 Before rotating the transform switch to change functions and ranges, disconnect test leads from the
circuit under test.
1.2.9 Never perform resistance, temperature, diode and continuity measurements on live circuits.
1.2.10 Never use the meter under the condition of the explosive air, steam or dirt.
1.2.11 If any faults or abnormalities are observed, the meter can not be used any more and it has to be
checked out.
1.2.12 Never use the meter unless the rear case is in place and fastened fully.
1.2.13 Please do not store or use meter in areas exposed to direct sunlight, high temperature, humidity or
condensation.
1.3 SYMBOLS
Important safety information, refer to the operating manual.
Double insulation （ Protection class ( ( ） .
CAT III Overvoltage (Installation) category III, Pollution Degree 2 per IEC1010-1 refers to the level of
Impulse Withstand Voltage protection provided.
Conforms to european union directive
Earth ground
AC Alternating current
DC Direct current
Diode
Continuity buzzer
AC or DC (alternating current or direct current)
Engine dwell
RPM Round per minute
× 10 Reading multiplies 10
Measurement with clamp (optional), widening the field of applications of the meter
℃ Centigrade
℉ Fahrenheit
MAX-H The maximum value is being held.
DATA-H This indicates that the display data is being held.
AUTO Auto range
The battery is not sufficient for proper operation.
1.4 MAINTENANCE
1.4.1 Please do not attempt to adjust or repair the meter by removing the rear
case while voltage is being applied.
A
technician who fully understands danger involved should only carry
out such actions.
1.4.2 Before opening the battery cover or case of the meter, always disconnect test leads from all tested
circuits.
1.4.3
To
avoid the wrong reading causing electricity attack, when the meter displays “ ” , you must
change the battery.
1.4.4 Do not use abrasives or solvents on the meter, use a damp cloth and mild detergent only.
1.4.5 Always set the power switch to the OFF position when the meter is not in use.
1.4.6 If the meter is to be stored for a long period of time, the batteries should be removed to prevent
damage to the unit.
2. DESCRIPTION
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