Mastech MS8302E Manual de usuario

DIGITAL MULTIMETER

CAT.III

600V

SERVICE

00-05-3768

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MS8302E

1. GENERAL SPECIFICATIONS

MS8302E is a stable, safe, reliable compact digital handheld 6000 count

auto-ranging multimeter. This meter can measure AC/DC voltage, AC/DC

current, resistance, capacitance, frequency, duty cycle, temperature,

diodes and continuity. This meter is ideal for many situations, whether

you're a professional or causal user.

• Safety Rating: CAT III 600V; pollution degree: II

• Operating Altitude: 2000m

• Relative Humidity: 75% max operating

• Operating Temperature: 0°C~40°C/32°F~104°F (<80% RH)

• Storage Temperature: -10°C~60°C/14°F~140°F (<70% RH)

• Accuracy Temperature: -18°C~28°C/64°F~82°F (<80% RH)

• Temperature Coefficient: 0.1x(specified accuracy)/°C (<18°C or >28°C)

• Sampling Frequency: approx. 3 times/sec.

• Fuse Protection: µA/mA input: FF 600mA H 600V

10A input: FF 10A H 600V

• DC/AC Voltage: 600V

• DC/AC Current: 10A

• Resistance: 40MΩ

• Diodes: 3.2V DC

• Continuity: <50Ω

• Temperature: -20°C~1000°C/-4°F~1832°F

• Battary Voltage: 1.5V/9V

• LCD Display: 3 ¾ digit display (4000 counts)

• Product Supply: 9V battery

• Product Size: 150mm×74mm×48mm / 6.3"×2.9"×1.9"

• Product Weight: 482g / 1.06lb

• Safety Standards: IEC61010-1

• Pollution Degree: 2

• Accuracy: ±(of reading + # of least significant digits)

2. WARNINGS

Check the meter before use to make sure there was no damage during

transit.

Check that the insulation on the test leads is not damaged and/or wires

are not exposed.

If any faults or abnormalities are observed, the meter should not be used

and should be checked out prior to use.

Never exceed the protection limit values indicated in specifications for

each range of measurement.

Always be careful when working voltages above 60V DC or 30V AC rms,

keep fingers behind the probe barrier while measuring.

Make sure the rotary switch is in the correct position before measurement.

Never use the meter in an environment with explosive gas, vapor or dust.

Always keep fingers behind probe barriers when making measurements.

When connecting test leads to a circuit, connect the black test lead first,

then the red lead. Disconnect in the opposite order.

Turn off power and discharge all capacitors first before measuring

resistance, continuity or diodes.

Failure to follow safety guidelines could compromise the safety features

of this meter.

Do not use the meter without the battery cover in place.

Replace the batteries as soon as the low battery symbol “ ” to avoid

false reading that could lead to electric shock and injury.

Remove test leads from all circuits before opening the battery cover.

•

To avoid electric shock and injury or damage to the meter, observe the

following safety methods:

3. SAFETY SYMBOLS 1.LCD Display

2.Hold

Press “HOLD” to hold the current reading on the display. Press the button

again to normal measurenent.

3.Function Switch Button

Press “FUNC” to switch between functions or between AC/DC current.

Backlight Button

Press “ ” to turn on the

backlight. Press the button again to turn off the backlight.

6.Rotary Switch

7.Input Jack (all measurements; current below 600mA)

8.A Jack (current measurements between 600mA-10A only)

9.Common Jack (all measurements)

NCV Button

Press the “NCV” button down in any mode and the meter will activate the

non-contact voltage detection. Hold the meter up to a voltage source and

the buzzer will sound and the NCV indicator will light up if voltage is

detected. Release the “NCV” button to stop NCV detection.

Important safety information

AC(alternating current)

DC(direct current)

DC/AC Voltage or Current

Double insulation protection

Fuse

Compliance with EU regulations

Ground

4. FEATURE DETAILS

MS8 302E

6 7 9 8

5. DISPLAY FUNCTION INSTRUCTIONS

Direct Current

Alternating Current

Negative DC Value

Auto Power Off

Auto Range Active

Data Hold

Diode Test

9Continuity Test

6. ROTARY SWITCH FUNCTION INSTRUCTIONS

4Low Battery

12 Main Display

Resistance

DC/AC Current

DC/AC Voltage 2. AC Voltage:<600V

3.1 DC Current (large):<10A

1. DC Voltage:<600V

4 5 6 7 8 9

MS8302E

MS 830 2E

AC Current (large):<10A3.2

4.1 DC Current (Middle):<400mA

AC 4.2 Current (Middle):<400mA

AC 5.2 Current (Small):<4000µA

5.1 DC Current (Small):<4000µA

MS 830 2E

MS8302E

6.1 Continuity:<50Ω

6.2 Diode Test:<3V

MS8302E

MS 830 2E

7. Resistance:<40MΩ

MS 830 2E

9. Non-Contact Voltage Detector NCV

7. ELECTRICAL SPECIFICATIONS

DC Voltage Measurement

Range Resolution Accuracy

400mV 0.1mV

±(0.5% of reading +2 digits)

40V

400V

0.001V

0.01V

0.1V

• Input impedance: 10MΩ

• Max. input voltage: 600V rms

AC Voltage Measurement

Range Resolution Accuracy

400mV 0.1mV

±(1.0% of reading +5 digits)

40V

400V

0.001V

0.01V

0.1V

• Input impedance: 10MΩ

• Max. input voltage: 600V rms

• Frequency response: 40~400Hz,

calibrated to rms of sine wave (average response)

400V 1V

MS 830 2E

MS8 302E

7. Battary Voltage:<1.5V

8. Battary Voltage:<9V

MS 830 2E

600V 1V ±(0.7% of reading +2 digits)

600V 1V ±(1.0% of reading +10 digits)

AC MeasurementCurrent

Range Resolution Accuracy

400 Aµ 0.1µA

±(1.2% of reading +5 digits)

4000µA

40mA

400mA

1µA

0.01µA

0.1µA

• Overload protection:

µA/mA input: Fuse(FF 400mA H 600V) 10A input: Fuse (FF 10A H 600V)

• Frequency response: 40~400Hz,

calibrated to rms of sine wave (average response)

• Max. input current:

µA/mA input: 400mA rms 10A input: 10A rms

10A 10mA ±(2.5% of reading +10 digits)

Resistance Measurement

Range Resolution Accuracy

400Ω 0.1Ω

±(0.8% of reading +5 digits)

4kΩ

40kΩ

400kΩ

0.001kΩ

0.01kΩ

0.1kΩ

• Max. input voltage: 600V rms

4MΩ0.001MΩ

40MΩ0.01MΩ

Continuity Test

Overload Protection Open Circuit Voltage

600V RMS Appx. 1.0V DC

• Max. input voltage: 600V rms

Diode Test

Overload Protection Open Circuit Voltage

600V RMS Appx. 3.2V DC

• Max. input voltage: 600V rms

Test Current

Appx. 1mA

±(2.0% of reading +5 digits)

DC Current Measurement

Range Resolution Accuracy

400µA 0.1µA

±(1.0% of reading +5 digits)

4000µA

40mA

400mA

1µA

0.01µA

0.1µA

• Overload protection:

µA/mA input: Fuse(FF 400mA H 600V) 10A input: Fuse (FF 10A H 600V)

• Max. input current:

µA/mA input: 400mA rms 10A input: 10A rms

10A 10mA ±(2.0% of reading +10 digits)

Battary Voltage Measurement

Range Resolution Accuracy

9V 0.01V ±(1.2% of reading +7 digits)

1.5V 0.001V ±(3.0% of reading +5 digits)

9. CLEANING

WARNINGS

To prevent injury or damage to the meter, do not allow moisture

inside the casing. Before opening the battery cover/case,

disconnect test leads from all circuits.

Clean the meter regularly with a damp cloth and a small amount of

detergent; do not use abrasives or solvents. Dirty/wet input jacks can

affect readings.

To clean input jacks:

1. Turn off the meter and remove test leads.

2. Brush off any dirt or contaminants from the input jacks.

3. Use a cotton swab with a cleaner/lubricant (i.e. WD40)

to clean the input jack.

4. Use a new swab on each jack to prevent cross contamination.

11. REPLACING THE FUSES

WARNINGS

To prevent injury or damage to the meter,

turn off power to the meter and disconnect test leads

from input before opening case.

To replace the fuses:

1. Turn off power to the meter.

2. Remove test leads from input jacks.

Remove the 6 screws on the back case

and remove back case from meter.

4. Replace blown fuse(s) with a new fuse.

5. Replace back cover and secure to meter.

10. REPLACING THE BATTERIES

To replace the batteries:

1. Turn off power to the meter.

2. Remove test leads from input jacks.

3. Loosen the screw on the battery cover and remove cover from meter.

4. Replace used batteries with new batteries.

5. Replace battery cover and secure to meter.

WARNINGS

To avoid false reading that could lead to injury or damage to the

meter, replace the batteries as soon as the “ ” symbol appears.

Turn off the meter and remove the test leads before opening the

battery cover to avoid injury or damage to the meter.

8. MAINTENANCE

This section provides basic maintenance principles, including replacing

batteries and fuses.

Do not attempt to repair or perform any maintenance on the meter not

included in the section below unless you are qualified personnel.

12. DISPOSAL / RECYCLE

Caution: This symbol indicates that equipment and its accessories

shall be subject to a separate collection and correct disposal.

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