4.2.4 Diode check
Range Resolution
Function
0.001V
Will display the forward drop voltage.
* Operating current
：
about 1mA
* Open circuit voltage
：
about 1.48V
4.2.5 Continuity
Range
Function
If measured resistance less than 30
Ω
, will
buzzer is sounded.
* Open voltage: about 0.5V
4.2.6 DC Current
Range
Resolution
Accuracy
400
µ
A 0.1
μ
A
4000
µ
A 1
µ
A
40mA 0.01mA
400mA 0.1mA
10A 0.01A
±（
1% rdg + 3dgt
）
* Over Load protection
：
use the fuse(
F400mA H 250V
) at
µ
A /mA range,
and use the fuse(
F10A H 250V
) at 10A range.
* Max input current:
：
200mA at ‘mA’ input terminal and 10A at ‘10A’ input
terminal.. .
4.2.7 AC Current
Range
Resolution
Accuracy
400
µ
A 0.1
µ
A
4000
µ
A 1
µ
A
（
1.2% rdg + 4dgt
）
40mA 0.01mA
400mA 0.1mA
10A 0.01A
* Over Load protection
：
use the fuse(
F400mA H 250V
) at
µ
A /mA range,
and use the fuse(
F10A H 250V
) at 10A range.
* Max input current:
：
400mA at ‘mA’ input terminal and 10A at ‘10A’ input
terminal.. .
* Frequency response
：
40
～
400Hz
4.2.8
Temperature
Fahrenheit Temperature
[℉]
Range 0
℉
~1800
℉
Resolution 1
℉
-0
℉
~50
℉
（
5% rdg + 4dgt
）
Accuracy 50
℉
~750
℉
（
1.5% rdg + 3dgt
）
750
℉
~1800
℉
（
3% rdg + 3dgt
）
4.2.9 Frequency
Range
Accuracy
0.1Hz~10M
Hz
0.1Hz~10MHz
* Sensitivity
：
3V
