Capacitance; Diode/Continuity Measurement; Dc Current; Ac Current - Mastech MS8239C User Manual

Capacitance

Measuring range
Resolution
5nF 0.001nF
50nF 0.01nF
500nF 0.1nF
5µF 0.001µA
50µF 0.01µA
100µF 0.1µA
Overload protection: 600V DC or AC (RMS)
Diode and Continuity Measurement
Measuring
Function Resolution
range
Diode Test
1V
When built-in buzzer
sounds, the resistance
to be tested is less than
60Ω.
Overload protection: 600V DC or AC (RMS)
Accuracy
±(3.0% of reading +5 digits)
Accuracy
Display approximate
diode forward
0.001V
voltage drop value.
Open circuit voltage:
about 0.5V
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DC Current

Measuring range
Resolution
400µA 0.1µA
4000µA 1µA
0.01µA
40mA
0.1µA
400mA
10A 0.01A
Overload protection: grade mA: Fuse (F400mA/600V)
protection; grade 10A: Fuse (F10A/500V) protection.
Maximum input current: grade mA: 200mA DC or AC
RMS; grade 10A: 10A DC or AC RMS
When measured current is greater than 2A, the
continuous measurement time cannot be more than
2 minutes. Disconnect the current and wait 10
minutes before making another measurement.

AC Current

Measuring range
Resolution
400µA 0.1µA
4000µA 1µA
0.01µA
40mA
0.1µA
400mA
10A 0.01A
Overload protection: grade mA: Fuse (F400mA/600V)
protection; grade 10A: Fuse (F10A/500V) protection.
Frequency response: 40Hz~400Hz, sine wave RMS
(average response)
Accuracy
±(1.0% of reading +5 digits)
±(2.0% of reading +10digits)
Accuracy
±(1.2% of reading +5 digits)
±(2.5% of reading +10digits)
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