Mastech MS8221C - Safe Usage Guidelines

06 07
• Button
This button is used to the switch of back light.
• Transform Switch
This switch is used to select functions and desired
ranges.
• 10A Jack
Input terminal for current 0~10A
• INPUT Jack
Input terminals except 10A
• COM Jack
Common terminal for measurement
3. Specifications
Accuracy is specified for a period of year after
calibration and at 18˚C to 28˚C(64˚F to 82˚F) with
relative humidity to 75%.
3.1 General Specifications
3.1.1 Auto ranges and manual range.
3.1.2 Max. Voltage Between Terminals And Earth
Ground: 600V DC or AC
2.2 Switch, BUTTONS and Input Jack Elucidation
• ON/OFF Button
This Button is used to the switch of power.
• RANGE Button
This button is used to transform Auto range or manual
range.
• FUNC. Button
This button is used to transform function.
• DATA-H Button
This Button is used to the switch of data hold.
• MAX.H Button
This Button is used to the switch of maximum value hold.
3.1.14 Operating Temperature: 0˚C to 40˚C
(32˚F to 104˚F)
3.1.15 Storage Temperature: -10˚C to 50˚C
(10˚F to 122˚F)
3.1.16 Dimension: 158×74×32 mm
3.1.17 Weight: approx. 250g (including battery)
3.2 Electrical Specifications
Circumstance Temperature: 23±5˚C
Relative Humidity: < 75%
3.2.1 DC Voltage
Range
Resolution
Accuracy
200mV
2V
20V
200V
600V
0.1mV
0.001V
0.01V
0.1V
1V
±(0.7% of rdg + 2 digits)
- Input Impedance: 10MΩ
3.1.3 Fuse Protection: F 200mA/250V (quick acting).
3.1.4 Operating Altitude: 2000 meters (7000 ft.)
maximum
3.1.5 Display: 16mm LCD
3.1.6 Max. Show Value: 1999 (3 1/2)
3.1.7 Polarity Indication: '-' indicates negative polarity.
3.1.8 Overrange Indication: Display 'OL'
3.1.9 Sampling Time: approx. 0.4 second
3.1.10 Unit showing: showing of function and electrical
capacity.
3.1.11 Low Battery Indication: ' ' displayed
3.1.12 Auto power off time: 15 min.
3.1.13 Power Supply: 1.5V×3 AAA batteries.