CEN-TECH ITEM 98674 User Manual

DIGITAL MULTIMETER
SPECIFICATION
NTS
Input Impedance: 10MΩ
Max. Input Voltage: 1000V DC or 750V rms AC
- By µA, 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:
mA jack （ µA ranges ） : 4mA,
mA jack （ mA ranges ） : 400mA,
10A jack: 10A
- Overload protection:
µA 、 mA ranges: resettable fuses F1 500mA/250V
10A range: F2 10A/250V fuse (quick acting).
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 Period: ~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 Period: ~20s.
3.2.10.2 Temperature （ on sensor, thermocouple and main
display ）
Range
Resolution
Accuracy
-20 ℃ to 0 ℃ ± 5.0% of reading or ± 3 ℃
℃ 1 ℃ 0 ℃ to 400 ℃ ± 1.0% of reading or ± 2 ℃
400 ℃ to 1000 ℃
± 2.0% of reading
-4 ℉ to 32 ℉ ± 5.0% of reading or ± 6 ℉
℉ 1 ℉ 32 ℉ to 752 ℉
± 1.0% of reading or ± 4 ℉
752 ℉ to 1832 ℉
± 2.0% of reading
- Overload protection: resettable fuses F1 500mA/250V.
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
- 21 -

CEN-TECH ITEM 98674 Specifications

General

Brand	CEN-TECH
Model	ITEM 98674
Category	Multimeter
Language	English