Testboy TB 4000 Manual De Instrucciones página 22

Operation
Resistance measurement / Ω
Set the appropriate range using the selector switch. Connect the black test lead with the
"COM" jack and the red test lead with the "V/Ω" jack. Connect the test leads with the test ob-
ject and read off the measurement result from the display.
Measurement
range
600 Ω
6 KΩ
60 KΩ
600 KΩ
6 MΩ
60 MΩ
Overvoltage protection: 250 V RMS
Off-load voltage: 1.2 V
Diode test
Set the selector switch to
with the "COM" jack and the red test lead with the "V/Ω" jack. Connect the test leads with the
test object (red test lead = anode, black test lead = cathode). The forward voltage is displayed.
Measurement range
Overvoltage protection: 250 V RMS
Off-load voltage: 3.2 V
Continuity test
Set the selector switch to "
lead with the "COM" jack and the red test lead with the "V/Ω" jack. Connect test leads to
the test circuit.
Measurement range
Off-load voltage: 1.0 V
22
Resolution
0.1 Ω
1 Ω
10 Ω
100 Ω
1 KΩ
10 KΩ
/ . Press the "SEL" button x 2. Connect the black test lead
Resolution
1 mV
/ ". Press the "SEL" button. Connect the black test
Function
The integrated buzzer signals continuity less than 50 Ω
Accuracy
±1.2 % + 5 digit
± 2.0 %
+ 10 digit
Display
Forward voltage
Testboy
®
TB 4000