14
- Overload protection
：
250V DC or AC
（
RMS
）
- Input voltage range
：
1.0V~10V ac
（
As the measured frequency increases, the input voltage
should also increase
）
3.2.11 Duty Ratio
Measuring
Range
Resolution
Accuracy
0.1
–
99.9%
0.1%
±
（
0.1% re 2 digits
）
- Frequency response
：
10 ~ 10MHz
-Input voltage range: 200mV ~ 10V AC (with the measured frequency increases, the input
voltage should also increase)
- Maximum input voltage: 250V DC and AC (RMS)
3.2.12 Temperature test
Range
Resolution
Resolution
－
20
℃－
300
℃
±(2.5%+5d)
1
℃
301
℃－
1000
℃
±(2.5%+5d)
1
℃
-4
℉－
600
℉
±(2.5%+5d)
1
℉
601
℉－
1832
℉
±(2.5%+5d)
1
℉
- Overload protection: 250V DC or AC (rms)
4. Operation guide
4.1 Readings remain
In the course of the measurement, if you want to keep the reading, press the " " key, the
display value of the monitor will be locked, and then press the key to release the reading.
4.2
Function selection
1
）
In capacitance ,Diode, Buzzer ,Temperature mode, Press
“
“
to switch the function.
2
）
Press
“
”
Button ,move meter to the relate location
3
）
Short time press
“
”
change to frequency and duty ratio
