Mastech MS2009A User Manual page 8

MULTIFUNCTION DIGITAL
DC Voltage
Measuring
Resolution
range
±(2.0% of reading + 3 digits)
200mV 0.1mV
2V 1mV
±(0.8% of reading + 5 digits)
20V 10mV
200V 0.1V
±(1.0% of reading + 5 digits)
600V
1V
Input impedance: 10MΩ.
Measuring frequency range: 40Hz~400Hz.
Maximum allowable input voltage: 600V DC or 600V
AC (RMS)
AC Current
Measuring
Resolution
range
2A 0.001A
20A 0.01A
±(2.0% of reading + 5 digits)
200A 0.1A
600A 1A
Measuring frequency range: 0~500A 40Hz ~400Hz;
500A~600A 60Hz~400Hz.
Maximum allowable input current: AC 600A for not
more than 20 seconds.
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Accuracy
Accuracy
MULTIFUNCTION DIGITAL
Resistance
Measuring range
Resolution
200Ω 0.1Ω
2kΩ 0.001kΩ
20kΩ 0.01kΩ
200kΩ 0.1kΩ
2MΩ 0.001MΩ
20MΩ 0.01MΩ
Overload protection: 250V DC or 250V AC (RMS)
Diode Test
Measuring
Resolution
range
1mV
Overload protection: 250V DC or 250V AC (RMS)
Continuity Test
Measuring
Resolution
range
100MΩ
Note: When resistance is from 60Ω to 90Ω, the buzzer
may or may not sound. When it is more than 90Ω, the
buzzer won't sound.
Overload protection: 250V DC or 250V AC (RMS)
Accuracy
±(0.8% of rdg +4digits)
±(1.2% of rdg + 5digits)
Accuracy
Display approximate value of
forward voltage drop (Open
circuit voltage is about 1.5V)
Accuracy
The buzzer will sound when it is
<60Ω (Open circuit voltage is
about 0.45V)
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