Specifications; Technical Indicators - Mastech MS8250A Operation Manual

MS8250A/B Digital Multimeter
Description

3. Specifications

The meter should be recalibrated annually. When calibrating,
temperature should be 18°C～28°C, and relative humidity should be less than
75%.
3.1 General
3.1.1 Automatic measuring range and manual measuring range
3.1.2 Full measuring range overload protection
3.1.3 The maximum allowable voltage between measurement end and ground:
600V DC or AC (RMS)
3.1.4 Operational height: maximum 2000 m
3.1.5 Display: LCD
3.1.6 Displayed maximum value: digit 3999
3.1.7 Polarity indication: automatical indication, '-' means negative polarity.
3.1.8 Exceeding measuring range display: '0L' or '-0L'
3.1.9 Sampling time: digital display is about 0.4 sec/time, analog display 0.04
sec/time (except current measurement). When measuring current, digital
display is about 1 sec/cycle, analog display 0.1 sec/cycle.
3.1.10 Unit display: has function and power unit display.
3.1.11 Auto off time: 30 sec
3.1.12 Operating power supply: 9V, 6F22 battery.
3.1.13 Battery low voltage indication: LCD displays
3.1.14 Temperature coefficient: less than 0.1×accuracy/°C
3.1.15 Operating temperature: 0°C ～ 40°C
3.1.16 Storage temperature: -10°C ～ 50°C
3.1.17 Dimension: 180×86×52mm
3.1.18 Weight: about 250 g (not including battery)
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symbol.
MS8250A/B Digital Multimeter
Description

3.2 Technical indicators


Environment temperature: 23 5°C, relative humidity (RH): <75%
3.2.1 DC voltage
Measuring Resolution
range
400mV 0.1mV
4.0V 0.001V
40V 0.01V
400V 0.1V
600V 1V

- Input impedance: 10M
- Overload protection: 400mV measuring range: 250V DC or AC (RMS),
4.0V-600V measuring range:

600V DC or 600V AC (RMS)
- Maximum input voltage: 600V DC
Accuracy

(0.8% reading + 3 digits)

(0.5% reading + 5 digits)
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