Mastech MS2030 Manual de usuario

MS2030

AC Digital Clamp Meter

User’s Manual

CAT.III

600 V

AUTO RS232

CONTENTS CONTENTS

2.Safety Information.................................1

2.1 Precautions ...........................................1

2.2 Safety Symbols..................................3

3. Description...........................................4

3.1 Front Panel .........................................4

3.2 Display .............................................6

4. Using the Meter .................................7

4.1 Data Hold ..........................................7

4.2 DC Voltage ........................................7

4.3 AC Voltage ........................................7

1.Introduction ..........................................1 4.4 AC Current........................................8

5. Specifications .................................11

5.2 Technical Specifications....................11

5.1 General Specifications......................11

6. Maintenance....................................14

4.5 Resistance........................................8

4.6 Continuity .........................................9

4.7 Diode Test .......................................10

6.2 Replacing the Batteries.....................15

6.1 General Maintenance ...........................14

6.3 Replacing Test Leads........................15

7. Accessories ....................................15

01 02

1.Introduction

Make sure to read and follow all safety procedures

to avoid electric shock and/or injury.

WARNING

The MS2030 is a safe, reliable, yet small handheld 3 ½

digit digital clamp meter. Capable of measuring AC

current, AC/DC voltage, resistance, diode’s forward

voltage drop, and continuity, it’s ideal for both home

users and professionals.

2.1 Precautions

2.Safety Instructions

The MS2030 meets EN61010-1 safety requirements for

electrical testing instruments and handheld digital

multimeters. It’s designed to comply with EN61010-1

with a CAT III 600V safety rating and pollution degree of 2.

• All safety guidelines outlined should be followed

otherwise the protection provided by the instrument

may be impaired.

• Warning symbols in the manual alert users of potential

dangerous situations.

• Precautions are to prevent the user from damaging

the instrument or the test object.

To avoid possible electric shock, personal injury or

damage to the meter, please observe the following:

3. Ensure the meter works properly by testing a known

voltage first. If not working properly, have the meter

serviced before using.

4. Never exceed the protection limit values indicated

in the specifications for each range of measurement.

5. Always use caution when making voltage

measurements above 60V dc or 30V ac rms.

6. Make sure to use the correct input jack, function and

range when measuring.

7. Do not place the meter in any environment with dust,

explosive gas or vapor.

8. Always keep fingers behind the probe barriers.

9. Connect the common test lead first, then the hot lead.

Disconnect in reverse order.

10. Turn off power and discharge capacitors before

measuring resistance, diodes or continuity.

11. Failure to follow safety guidelines may prevent the

meter’s built in protection from working properly.

12. To avoid damage or incorrect readings, check for AC

voltage present before making DC voltage

measurements.

13. Do not use the meter with the battery cover not

securely in place.

14. When the “ ”symbol appears, replace the batteries

to avoid incorrect readings

15. Before opening the case, always disconnect test

leads from all energized circuits.

16. Only use the test leads provided with the meter.

Replace only with similar leads with matching

specifications.

17. Do not touch input jacks during measurement to

avoid electric shock.

18. Before switching functions, remove test leads from

an circuit.

1. Before using the meter, check the meter for damage

during transport.

2. Check the test leads for damage to the insulation or

wires before use.

03 04

2.2 Safety Symbols

Note-Important safety information; refer to

the instruction manual.

Complies with US and Canadian safety

standards

Hazardous voltage may be present.

Complies with European (EU) safety

standards

Ground

Caution when testing on live conductors.

CAT III

This meter is in accordance with EN61010-1

standard overvoltage (insulation) category

III, pollution degree 2.

Double insulation protection class II.

CATIII: Applicable to test and measuring circuits

connected to the distribution part of the

building's low-voltage MAINS installation.

Example:fixed equipment switchboards,circuit

breakers,wiring,including cables,bus bars,

junction boxes,switches,sockets,output

terminals on devices for industrial use and other

equipment.

CATII: Applicable to test and measuring circuits

connected directly to utilization points (socket

outlets and similar points) of the low-voltage

MAINS installation.Example:measurements on

household appliances,portable tools and similar

equipment.

CAT0: Other circuits that are not directly connected to

MAINS Example:surface mounted devices on a

circuit board.

3. Description

3.1 Front Panel

AUTO RS232

09 10

4.6 Continuity

1. Turn off all power and discharge capacitors on the

circuit under test.

2. Insert the red test lead in the “INPUT” jack and the

black lead in the “COM” jack.

3. Move the rotary switch to the position. Connect

the test leads across the circuit to be measured.

4. Read measured resistance on the display. If the

measured resistance is less than 50Ω, the meter ’s

buzzer will sound.

To avoid injury or damage to the meter, make sure

to turn off all power and discharge all capacitors

before measuring continuity.

WARNING

Tips for measuring resistance:

- Sometimes the resistor value and measured resistance

differ.This is due to the meter’s output test current goes

through all possible paths between leads.

- For low resistance measurements, short the test leads

and record the resistance displayed. Then connect to

the circuit and subtract the recorded resistance from

the measurement for the most accurate results.

To avoid injury or damage to the meter, make sure

to turn off all power and discharge all capacitors

before measuring resistance.

WARNING

4.7 Diode Test

1. Turn off all power and discharge capacitors on the

circuit under test.

2. Insert the red test lead in the “INPUT” jack and the

black lead in the “COM” jack.

3. Move the rotary switch to the position. Connect

the test leads across the circuit to be measured.

4.Read the measured forward biased voltage drop on the

display. If the leads are reversed, only “1” is displayed.

To avoid injury or damage to the meter, make sure

to turn off all power and discharge all capacitors

before measuring diodes.

WARNING

11 12

5. Specifications

5.1 General Specifications

•Safety rating: CAT III 600V, pollution degree 2

•Max. operating altitude: 2000m

•Operating temperature: 0~40°C, <80% RH

•Storage temperature: -10~60°C, <70% RH

(battery removed)

•Temperature coefficient: 0.1 accuracy/°C

(<18°C or >28°C)

•Max. voltage between terminals and

ground: 600V DC or AC rms

•Sample rate: approx. 3 times/sec

•Display: 3 ½ digit LCD (max. display: 1999)

•Over-range indication: display only shows “1”

•Low battery indication: when battery voltage drops

below operating voltage,“ ”symbol appears on the

display

•Polarity indication: automatically displays “-“

•Power: 3x 1.5V AAA batteries

•Dimensions: 198mmX79mmX38mm

•Weight: approx. 260g (with battery)

•Max. jaw opening: 26mm

5.2 Technical Specifications

Accuracy: ±(% of reading + digits), 1 year warranty.

Ambient temp: 18°C~28°C, humidity: <75%.

Temperature coefficient: 0.1 accuracy/°C

(0°C~18°C or 28°C~40°C)

For AC current measurement, keep the conductor in the

center of the clamp; otherwise the reading can deviate

as much as 1.5% of actual measurement.

5.2.1 DC Voltage

5.2.2 AC Voltage

- Input impedance: 10M

- Overload protection: 600V DC or AC rms

- Max. input voltage: 600V AC rms

- Frequency range: 50Hz~60Hz

- Response: Average; calibrated to rms sine wave

- Input impedance: 10M

- Overload protection: 600V DC or AC rms

- Max. input voltage: 600V DC

600V 1V ±(1.0% reading +3 dgt)

Range Resolution Accuracy

600V 1V ±(1.5% reading +10 dgt)

Range Resolution Accuracy

mark

conductor

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