© PCE Instruments
12
7.4
Diode Measurement
•
Diode measurement mode shares the same configuration with 4000 V manual voltage
measurement mode.
•
If the test circuit is open or the voltage drop between the two ports of the device (diode)
under test are larger than 2 V, the LCD will show "OL".
•
The buzzer generates a 2 kHz sound whenever the digit number is less than 0.25 V.
As the cycle time of measurement is only 50 ms, the least significant digit will not
display.
8
Maintenance
8.1
Battery Replacement
•
Amplifier Probe
: Adjust the volume control to at least 4 or 5 on the Amplifier Probe,
hold down the push button, and place the tip of the probe near a live conductor (i. e., a
110 V power cord). If no sound is generated, replace a 9 V battery inside the Amplifier
Probe.
•
Tone Generator
: Select the "Tone" switch on the Tone Generator. Adjust the volume
control to at least 4 or 5, hold down the push button, and place the tip of the probe to
the cables attached to the Tone Generator. If no tone is generated, replace a 9V battery
for the Tone Generator.
•
Multimeter
: Replace two AAA batteries with the " " symbol appears at the upper left
hand corner of the LCD.
8.2
Cleaning and Storage
WARNING: To avoid electrical shock or damage to the meter, do not get water inside the
case.
Periodically wipe the case with a damp cloth and detergent.
Diode
