Mastech MY70 User Manual

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4.2.6 Audible continuity
Function Test environment
Description
When built-in buzzer
sounds, the resistance
to be tested is not more
than 50Ω.
Test current: about 1mA.
Open circuit voltage:
about 2.8V.
4.2.7 Transistor
Test environment
Description
Measuring
range
hFE
hFE approximation on
the display, (0 -1000)
Base current 10μA
Vce is about 2.8V
Overload protection: Fuse (FF 400mA H 600V )
4.2.8 Capacitance (only for MY74, MY74B)
Measuring range
Resolution
Accuracy
±(6.0% of reading + 10digits)
±(4.0% of reading + 3digits)
2nF
20nF
2μF
100μF
1pF
10pF
0.1nF
1nF
100nF
200nF
Overload protection: Fuse (FF 400mA H 600V)
4.2.9 Temperature (only for MY74, MY74B)
Measuring range
Resolution
Accuracy
±(5.0% of reading + 4digits)
1°C
1°C~400°C
-20°C~0°C
401°C~1000°C
±(2.0% of reading + 3digits)
±(2.0% of reading + 5digits)
Temperature indicator does not include thermocouple error.
Overload protection: Fuse (FF 400mA H 600V)
4.2.10 DC current
Measuring range
Resolution
Accuracy
±(2.0% of reading + 5digits)
±(0.8% of reading + 1digits)
20μA (for MY70, MY74B)
200μA (only for MY70)
20mA
200mA
2mA (for MY70, MY74)
10A
0.01μA
0.1μA
1μA
10μA
0.1mA
10mA
±(1.5% of reading + 1digits)
±(2.0% of reading + 5digits)
Overload protection: fuse with measuring range of mA (FF400mA
H 600V); fuse with measuring range of 10A (FF10A H 600V).
Maximum input current: mA grade: 200mA DC or AC RMS;
10A grade: 10A DC or AC RMS
When measured current is greater than 10A, continuous
measurement time should not be more than 10 seconds. Stop the
current being measured after 15 minutes.
4.2.11 AC current
Measuring range
Resolution
Accuracy
±(2.0% of reading + 5digits)
±(1.0% of reading + 5digits)
20μA
(for MY70)
20mA
200mA
2mA
(for MY70, MY74)
10A
0.01μA
0.1μA
1μA
10μA
0.1mA
10mA
±(1.8% of reading + 5digits)
±(3.0% of reading + 7digits)
Overload protection: fuse with measuring range of mA (FF400mA
H 600V); fuse with measuring range of 10A (FF10A H 600V)
Maximum input current: mA grade: 200mA DC or AC RMS; 10A
grade: 10A DC or AC RMS
When measured current is greater than 10A, continuous
measurement time should not be more than 10 seconds. Stop the
current being measured after 15 minutes.
Frequency response: 40Hz-400Hz, sine wave RMS
(average response)
200μA
(only for MY70)

Mastech MY70 Specifications

General

Brand	Mastech
Model	MY70
Category	Multimeter
Language	English