Mastech my68 User Manual

4.2.3
4.2.3
4.2.3
4.2.3 Resistance
Resistance
Resistance
Resistance
Range Resolution Accuracy
400.0 Ω 0.1 Ω
± （ 1.2%% of rdg +2 digits ）
4.000k Ω 1 Ω
40.00k Ω 10 Ω
400.0k Ω 100 Ω
4.000M Ω 1k Ω
40.00M Ω 10k Ω
± （ 2.0% of rdg +5 digits ）
Overload protection: 250V dc or 150Vac rms.
Open Circuit Voltage: approx. 250mV.
4.2.
4.2.
4.2.
4.2. 4
4
4
4 Diode
Diode
Diode
Diode
Range Resolution Function
1mV
Display read approx.
forward voltage of diode
Forward DC Current: approx. 1mA
Reversed DC Voltage: approx. 1.5V
Overload protection: 250Vdc or 150Vac rms.
4.2.
4.2.
4.2.
4.2. 5
5
5
5 Audible
Audible
Audible
Audible continuity
continuity
continuity
continuity
Range Continuity beeper
≤ 50 Ω
Open circuit voltage: approx.0.5V.
Overload protection: 250Vdc or 250Vac rms.
4
4
4
4 .2.
.2.
.2.
.2. 6
6
6
6 Transistor
Transistor
Transistor
Transistor
Range Description Test Condition
hFE
Display read approx. HFE
value (0-1000) of transistor
under test (all type).
Base Current
approx. 10 μ A,
Vce approx. 2.8V.
23
4.2.
4.2.
4.2.
4.2. 7
7
7
7 Capacitance
Capacitance
Capacitance
Capacitance
Range Resolution Accuracy
4nF 1pF ± (5.0% of rdg+5 digits)
40nF 10pF
± (3.0% of rdg+3 digits)
400nF 100pF
4 µ F 1nF
40 µ F 10nF
200 µ F 100nF
Overload protection: 250Vdc or 250Vac rms.
4
4
4
4 .2.
.2.
.2.
.2. 8
8
8
8 Frequency
Frequency
Frequency
Frequency
Range Resolution Accuracy
9.999Hz 0.001 Hz
± (2.0% of rdg+5 digits)
99.99Hz 0.01 Hz
999.9Hz 0.1 Hz
9.999kHz 1Hz
99.99kHz 10Hz
199.9kHz 100Hz
>200kHz 100Hz Unspecified @ >200kHz
Overload protection: 250V dc or 250V ac rms.
Input Voltage range: 0.6V-3V ac rms (Input voltage must be
enlarged with increasing frequency
under measurement)
Frequency Response: 10Hz-200kHz, sine wave.
0.5Hz-200kHz, square wave.
4
4
4
4 .2.
.2.
.2.
.2. 9
9
9
9 Current
Current
Current
Current (with
(with
(with
(with clamp,
clamp,
clamp,
clamp, optional)
optional)
optional)
optional)
Range Resolution Accuracy
DC40A 0.1A/1mV ± (0.8% of rdg+3 digits)
DC400A 1A/1mV ± (0.8% of rdg+3 digits)
AC40A 0.1A/1mV ± (1.0% of rdg+3 digits)
AC400A 1A/1mV ± (1.0% of rdg+3 digits)
Input impedance: 1M Ω
Max. input voltage: 250Vdc or 250Vac rms.
24

Mastech my68 Specifications

General

Brand	Mastech
Model	my68
Category	Multimeter
Language	English