Major tech TRUERMS MTD80 Instruction Manual - Page 2
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Test for NCV
1. Keep pushing the NCV button to enter the
NCV mode.
2. Hold the product and move it around, the
built-in beeper will beep when the inner
sensor detects AC voltage nearby. The
stronger the voltage is, the quicker the beeper
beeps while the central LED light will twinkle.
Test for Current
1.
Put the red lead to
terminal and put
the black lead to COM terminal. The DC or
AC current will be auto matched.
Touch the probes to the correct test points of
2.
the circuit to measure the current.
3.
Read the measured current on the display
4.
When you input the current over 2 AMP, the
testing time should be less than 3 seconds.
5.
When the probes are in the current terminal
but you have no operations, the meter will
beep each 4 seconds to remind that you are
in the current mode.
Specifications
Environmental Specifications
Temperature
0~40℃
Operating
Humidity
＜75%
Temperature
-20~60℃
Storage
Humidity
＜80%
- 5 -
General Specifications
Display
4000 count
True RMS
Ranging
Auto/Manual
Data Hold
Material
ABS
Backlight
Update Rate
3 / s
Flashlight
Low Battery
Auto Power
√
Indication
Off
Electrical Specifications
Resolutio
Function
Range
Accuracy
n
4.000V
0.001V
DC
40.00V
0.01V
VOLTAGE
±(0.5%+3)
400.0V
0.1V
（V）
600V
4.000V
0.001V
AC
40.00V
0.01V
VOLTAGE
±(1.0%+3)
400.0V
0.1V
（V）
600V
1V
AC mA
999.9mA
0.1mA
±(1.0%+3)
AC A
9.999A
0.001A
DC mA
999.9mA
0.1mA
±(2.0%+4)
DC A
9.999A
0.001A
±(1.5%+3)
4.000kΩ
0.001kΩ
40.00kΩ
0.01kΩ
±(0.5%+3)
Resistance
400.0kΩ
0.1kΩ
4.000MΩ
0.001MΩ
40.00MΩ
0.01MΩ
±(1.5%+3)
- 6 -
Continuity
√
√
NCV
√
√
Frequency response at AC modes： 40Hz ~ 1kHz
×
√
√
Max
600V
NCV
600V
9.999A
9.999A
Current
terminal
40MΩ
- 7 -
LIMITED WARRANTY
AND LIMITATION OF LIABILITY
Customers enjoy one-year warranty from
the date of purchase. This warranty
Protective case
does not cover fuses, disposable
batteries, damage from misuse, neglect,
alteration, contamination, or abnormal
conditions of operation or handling, including
failures caused by use outside of the
product's specifications, or normal wear and
Screen
tear of mechanical components.
HOLD
Backlight
/Flashlight
Power
Voltage,
Resistance
ConFnuity
terminal
COM
- 8 -