Mastech MS2015A Manual de usuario

USER’S MANUAL

%°C°F

MkΩHz

NCV

nμFVA

MAX-MINAVGREL

INR

AUTO

600/

NCV

6000 Counts

T-Rms

REL FUNC

RANGE MAX

Hz% MIN

B.L.

HOLD

COM INPUT

DIGITAL CLAMP METER

ACCLAM PMETE R

CONTENTS CONTENTS

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

1.1 Preliminary...............................................1

1.2 Usage.......................................................2

1.3 Mark.........................................................3

1.4 Maintenance............................................3

2. Description........................................4

2.1 Part Name................................................5

2.2 Switch and Button Description..................7

2.3 LCD Display.............................................7

3. Specifications...................................9

3.1 General ...................................................9

3.2 Technique Data.......................................10

4. Operating Guidance.........................15

4.1 Reading Hold..........................................15

4.2 Measuring Range Switch.........................16

4.3 Frequency/Duty Ratio Switch...................16

4.4 Maximum/Minimum

Measurement Choice..........................17

4.5 Function Choice.......................................17

4.6 Relative Measurement

And Surge Measurement.......................18

4.7 Back Light And Clamp Head Light.............18

4.8 Automatic Power-Off ...............................19

4.9 Measurement Preparation........................19

4.10 Current Measurement.............................20

4.11 Voltage Measurement.............................21

4.12 Frequency And Duty

Ratio Measurement..............................22

4.13 Resistance Measurement.......................24

4.14 Diode Test..............................................25

4.15 Circuit Continuity Test.............................25

4.16 Capacitance Measurement.....................26

5. Maintenance......................................27

5.1 Replace Battery.........................................27

5.2 Replace Probe..........................................28

6. Attachments.......................................28

4.17 NCV Measurement.................................27

DIGITAL CLAMP METER DIGITAL CLAMP METER

03 0 4

1.3 Mark

Note (Important safety information. Refer to

the operation manual)

 Can be used for dangerous electric conductor.

Double insulation protection (class II)

CAT III According to pulse voltage tolerance

protection level provided by IEC 61010-1

standard overvoltage (installation) level III and

pollution degree 2.

The meter complies with EU standard

Grounding

1.4 Maintenance

1.4.1 Don't try to open the meter bottom case to adjust

or repair. Such operations can only be performed

by technicians who fully understand the meter and

electrical shock hazard.

1.4.2 Before opening the meter bottom case or battery

cover, remove probe from the circuit to be measured.

1.4.3 To avoid wrong readings causing electric shock,

when " " appears on the meter display, replace

the battery immediately.

2. Description

- The meter is a portable, professional measuring

instrument with LCD display and back light for easy

reading by users. Measuring range switch is operated

by single hand for easy operation with overload

protection and low battery indicator. It is an ideal

multifunction meter for professionals, factories,

schools, fans and family use.

- The meter is used for AC current, DC current, voltage,

DC voltage, frequency, duty ratio, resistance,

capacitance measurement, circuit connection, diode

test and non-contact voltage detection.

- The meter has automatic measuring range and manual

measuring range.

- The meter has reading hold function.

- The meter has max. measuring function.

- The meter has min. measuring function.

- The meter has clamp head frequency measurement

function.

- The meter has auto power-off function.

- The meter has relative measuring function.

1.2.13 Unless the meter bottom case and the battery

cover are completely fastened completely, do

not use the meter.

1.2.14 Don't store or use the meter in the conditions

of direct sunlight, high temperature and high

humidity.

1.4.4 Clean the meter with damp cloth and mild detergent.

Do not use abrasives or solvents.

1.4.5 Power off the meter when the meter is not used.

Switch the measuring range to OFF position.

1.4.6 If the meter is not used for long time, remove the

battery to prevent the meter being damaged.

DIGITAL CLAMP METER DIGITAL CLAMP METER

%°C°F

MkΩHz

NCV

nμFVA

MAX-MINAVGREL

INR

AUTO

600/

NCV

6000 Counts

T-Rms

REL FUNC

RANGE MAX

Hz% MIN

B.L.

HOLD

COM INPUT

05 0 6

(1) Current clamp head: used for current measurement.

(2) Clamp head light

(3) Panel

(4) Trigger

(5) Function choice button (FUNC)

(6) Relative measurement button

(7) Frequency/duty ratio switch button (Hz/%)

(8) LCD display

(9) Common end jack

(10) Resistance, capacitance, voltage, frequency,

diode and continuity input jack

(11) Maximum/minimum choice button (MAX/MIN)

(12) Reading hold/Back light button (B.L/ HOLD)

(13) Transfer switch

(14) NCV indicator

2.1 Part Name

109

DIGITAL CLAMP METER DIGITAL CLAMP METER

ACCLAM PMETE R

DIGITAL CLAMP METER DIGITAL CLAMP METER

09 1 0

3. Specifications

Automatic measuring range and manual measuring

range.

Full measuring range overload protection.

The maximum allowable voltage between

measurement end and ground: 1000V DC or 750V AC

Operational height: maximum 2000m

Display: LCD

Displayed maximum value: 5999 digit.

Polarity indication: automatical indication, '-' means

negative polarity.

Exceeding measuring range display: '0L' or '-0L'.

Sampling rate: about 3 times/sec.

Unit display: has function and power unit display.

Auto off time: 15 min

Power supply: DC power 9V

Battery type: NEDA 1604, 6F22

Battery undervoltage indication: LCD displays

symbol.

Temperature coefficient: less than 0.1×accuracy/°C

Operational temperature: 18°C~28°C

Storage temperature: -10°C~50°C

Dimension: 238×92×50mm

Weight: about 340g (include battery)

The meter should be recalibrated under the condition

of 18°C~28°C, relative humidity less than 75% with

the period of one year.

3.1 General

3.2 Technical Indicators

Environment temperature: 23±5°C, relative humidity

(RH):<75%

3.2.1 True RMS Zero Input Characteristic

3.2.1.1 For measuring non-sinusoidal wave signal,

uses true RMS measuring method, which has

less error than traditional average response

measuring method.

3.2.1.2 The true RMS meter can accurately measure

non-sinusoidal wave signal, but if it is in AC

function mode, when there is no signal to be

measured (input terminal short circuit in AC

voltage mode), clamp meter may show a

reading from 1 to 50. These deviating readings

are normal. In the designated measurement

range, they will not affect the accuracy for

multimeter measuring AC.

3.2.1.3 The true RMS can be measured only when input

signal reaches a certain level. Therefore, the

measuring range of AC voltage and current

should be specified at 2% ~ 100% of full range.

3.2.2 AC Current

Accuracy

Resolution

Measuring range

±(2.0% reading + 8 digits)

60A

600A

1000A

0.01A

0.1A

- Maximum input current: 1000A AC

- Maximum input current: 0~600A: 40~400Hz;

600A~1000A: 40~60Hz

DIGITAL CLAMP METER DIGITAL CLAMP METER

±(0.5% reading + 5 digits)

±(0.8% reading + 4 digits)

DIGITAL CLAMP METER DIGITAL CLAMP METER

±(1.2% reading + 3 digits)

4.2 Manual Measuring Range

RANGE key is automatic/manual measuring range key

to trigger mode.

The preset one is automatic measuring range. Press to

switch to manual measuring range.

In the manual measuring range mode, click once to

change to upper range. Continue to the top range, then

continue to press this key to change to the bottom

range, followed by recycling. If this key is pressed more

than 2 sec, it will switch back to automatic measuring

range state.

In capacitance and frequency measurement state, rhw

manual measuring range button is invalid.

4.3 Frequency/Duty Ratio Switch

1) When the meter is in AC voltage mode, if “Hz/%”

button is pressed, the meter will measure Hz, and

measure AC voltage, AC current signal frequency.

Click “Hz/%” button again, the meter will measure

DUTY cycle, and measure voltage and current signal

duty ratio. If it is in HZ/DUTY position, pressing HZ %

key will switch between HZ and DUTY by recycling.

2) If “Hz/%” button is pressed again, the meter will

revert to voltage, current measurement state.

The meter is in the maximum/minimum value

measurement state, it can't switch to frequency, duty

ratio measurement mode.

DIGITAL CLAMP METER DIGITAL CLAMP METER

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