5.SINE WAVE OUTPUT
RANGE
INSTRUCTION
output value of sine wave signal is approx 50Hz.as a simple
signal source ,output value of resistance is 47k
Ω.
This instrument has no overload protection , the calibrated equipment input level should be less than 10V ,to
avoid the damage of the instrument.
6.DIODE AND CONTINUITY MEASUREMENT
FUNCTION
RANGE
ACCURACY
REMARK
DIODE
1mV
display
approximate
value of forward voltage
drop
CONTINUITY
1
Ω
If the resistance is less
than 70
Ω
,buzzer sounds.
VIII.REPLACE BATTERY
When “
” signal displays ,should replace the battery, following the steps:
1.Take away the test leads from circuit under tested and input jack . Set the knob to off gears and turn off
the power .
2.Loosen the screws on battery case by screwdriver and remove the battery case.
3.Take out the old battery and replace the new one .
4.Fit on the battery case and tighten the screws .
IX.INSTRUMENT MAINTENANCE
This series of products is a kind of precise instrument ,do not try to modify the circuit.
1. Keep the meter away from water ,dust and shock .
2.Do not store and operate the meter under the condition of high temperature ,high
humidity,combustible,explosive and strong magnetic place.
3.Wipe the case with a damp cloth and detergent ,do not use abrasives and alcohol.
4.If the meter is not in use for a long time , battery should be taken out to avoid leakage.
5.Fuse replacement
Use the same type fuse as specified .
