DIGITAL MULTIMETER
SPECIFICATION NTS
Input voltage range: 0.5V – 600V rms AC (higher input
voltage at higher frequency)
Input Impedance: 10M
Ω
Max. Input Voltage: 1000V DC or 750V rms AC
- By mV,
µ
A, mA or A range:
Frequency response: 0 ~ 40kHz
Input current range: ≥1/4 of the rms AC for the range
(higher input voltage at higher frequency)
- Max. input current:
V jack
（
mV ranges
）
: 400mV
mA jack
（
µ
A ranges
）
: 4mA,
mA jack
（
mA ranges
）
: 400mA,
10A jack: 10A
- Overload protection:
mV ranges: 250V DC or rms AC
µ
A
、
mA ranges: resettable fuses F1
500mA/250V
10A range: F2
10A/250V fuse (quick acting).
NOTE:
NOTE:
NOTE:
NOTE:
The range by DUTY of the Hz range is larger than that of the
voltage range or current range.
3.2.9 Relative Humidity
（
on RH and humidity display
）
Range
Resolution
Accuracy
20 - 95%
0.1%
±
5.0%RH
- Operating temperature: 0
℃
to 40
℃
- Sampling Cycle: ~20s.
- 20 -
DIGITAL MULTIMETER
SPECIFICATION NTS
3.2.10 Temperature
3.2.10.1 Temperature
（
on sensor, thermoresistor NTC and
temperature display
）
Range
Resolution
Accuracy
℃
0.1
℃
0
℃
to 40
℃
±
2
℃
℉
0.1
℉
32
℉
to 104
℉
±
4
℉
Sampling Cycle: ~20s.
3.2.10.2 Temperature
（
on sensor, infrared thermocouple and
main display
）
Range
Resolution
Accuracy
℃
1
℃
-20
℃
to 270
℃
±
( 2.0% of r 3 digits)
-270
℃
to 300
℃
±
4.0% of reading
℉
1
℉
-4
℉
to 520
℉
±
( 2.0% of r 6 digits)
3.2.11 Sound Level
（
dB
）
Range
Resolution
Accuracy
40-100dB
0.1 dB
±
3.5%dB at 94dB, 1kHz sine wave
- Typical instrument frequency range: 100 ~ 8000Hz
3.2.12 Continuity Test
Range
Function
Built-in buzzer will sound if resistance is
lower than 40
Ω
.
- Open circuit voltage
~0.5V
- Overload Protection: 250V DC or rms AC
- 21 -
