Mastech MS2115B Manuel utilisateur

MS2115B

DUAL DISPLAY DIGITAL CLAMP METER

OPERATION MANUAL

6000 Counts

T - Rms

Inrush

600/1000

Hz A

MAX

MIN

REL

ZERO

INRUSH

B.L.

RANGE HOLD

FUNC

AC/DC CLAMP METER

MS2115B

COM INPUT

1000 V

CAT III

MAX

1000A

CONTENTS CONTENTS

1. Safety Information

1.1 Preparation

1.2 Usage

1.3 Mark

1.4 Maintenance

2. Description

2.1 Part Name

2.2 Switch and Button Description

2.3 LCD Display

3. Specification

3.1 General

3.2 Technique Data

4. Operating Guidance

4.1 Reading Hold

4.2 Measuring Range Switch

4.3 Back Light and Clamp Head Light

4.4 Maximum/Minimum

Measurement Choice

4.5 Function Choice

4.6 Relative Measurement

4.7 Surge Measurement

4.8 Automatic Power-Off

4.9 Measurement Preparation

4.10 Current Measurement

4.11 Voltage Measurement

4.12 Frequency And Duty

Ratio Measurement

4.13 Resistance Measurement

4.14 Diode Test

4.15 Circuit Continuity Test

4.16 Capacitance Measurement

4.17 Surge Current Measurement

5. Maintenance

5.1 Replace Battery

5.2 Replace Probe

6. Attachments

4.18 Non-Contact Voltage Detection

4.19 USB Communication

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01 02

1. Safety Information

Please particularly note that inappropriate use may

cause shock or damage to the meter when using.

When using the meter, comply with common safety

procedures and completely follow the safety measures

stated in the operation manual.

In order to make full use of the meter's functions and

ensure safe operation, please carefully read and

follow the procedures in the operation manual.

This meter meets to UL/CAS61010-1 with measurement

category (CAT lV 600V and CAT III 1000V.) and pollution

degreease follow the safety guidelines to ensure safe

usage of the meter.

Protection provided by the instrument will be impaired

if used in a manner not specified by the manufacturer.

The meter will provide satisfactory services to you if

you use and protect it appropriately.

1.1 Preparation

1.1.1 When using the meter, the user should comply

with standard safety rules for:

- General shock protection

- Proper use of the meter

1.1.2 Please check for damage caused during

transportation after receiving the meter.

1.1.3 If the meter is stored and shipped under hard

conditions, please confirm that the meter

operates properly or is damaged.

1.2 Usage

1.2.1 When using the meter, select the right function

and measuring range.

1.2.2 Don't make measurements that exceed indicated

values in each measuring range.

1.2.3 When measuring circuits with the meter

connected, do not contact with probe tip

(metal part).

1.2.4 If voltage to be measured is more than 60V DC or

30V AC (RMS), always keep your fingers behind

finger protection device.

1.2.5 Do not measure voltage greater than AC 750V.

1.2.6 When selecting the manual measuring range, if

you don't know the value to be measured, choose

the highest measuring range and decrease

gradually until the correct range is displayed.

1.2.7 Before rotating selection switch to change

measuring function, remove probe from the

circuit to be measured.

1.2.8 Don't measure resistors, capacitors, diodes and

circuit connections with power.

1.2.9 During tests of current, resistors, capacitors,

diodes and circuit connections, avoid connecting

the meter to voltage source.

1.2.10 Do not measure capacitance before capacitor is

discharged completely.

1.1.4 Probe should be in good condition. Before use,

please check whether the probe insulation is

damaged and whether the metal wire is bare.

1.1.5 Use the probe table provided with the meter to

ensure safety. If necessary, replaced the probe

with another identical probe or one with the same

specification.

Warning

03 04

1.3 Mark

Note (Important safety information. Refer to

the operation manual)

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

1.2.11 Do not use the meter in explosive gas, vapor or

dusty environment.

1.2.12 If you find any abnormal phenomena or failure

on the meter, stop using the meter immediately.

1.2.13 Do not use the meter unless the meter bottom

case and the battery cover are completely

fastened in original places.

1.2.14 Don't store or use the meter in direct sunlight,

high temperature and high humidity.

This product has been tested to the requirements

of CAN/CSA-C22.2 No. 61010-1, second edition,

including Amendment 1, or a later version of the

same standard incorporating the same level of

testing requirements”.

CONFORMS TO UL STD. 61010-1, IEC

61010-2-032 CERTIFIED TO CSA STD.

C22.2 No. 61010-1 and 61010-2-032

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

or repair. Such operations only can be made 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 incorrect readings and possible electric

shock, when " " appears on the meter display,

replace the battery immediately.

1.4.4 Clean the meter with damp cloth and mild

detergent. Do not use abrasives or solvents.

1.4.5 Turn power off when the meter is not used, and

switch the measuring range to OFF position.

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

battery to prevent damage to the meter.

1.4 Maintenance

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. The meter has

overload protection and a low battery indicator. It is

an ideal multifunction meter for professionals,

factories, schools, fans and family use.

- The meter is used for measuring AC current, DC

current, voltage, DC voltage, frequency, duty ratio,

resistance, capacitance measurement and 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.

6000 Counts

T - Rms

Inrush

600/1000

Hz A

MAX

MIN

REL

ZERO

INRUSH

B.L.

RANGE HOLD

FUNC

AC/DC CLAMP METER

MS2115B

COM INPUT

1000 V

CAT III

MAX

1000A

05 06

(1) Non-contact voltage detection sensing area

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

(3) Clamp head light

(4) Rotary switch

(5) Input Socket

(6) NCV indicator

(7) Trigger

(8) Key

(9) Display

(10) USB communication socket

2.1 Part Name

- 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.

07 08

2.3 LCD Display

2.2 Rotary Switch, Button And Input Jack

Description

B.L/RANGE button: used for measuring range switch

or back light control.

FUNC button: used for measuring function switch.

HOLD button: data hold.

REL/ZERO button: Used for entering relative

measurement state (when making non-DC current

measurement), DC current zeroing function

(DC current measurement).

INRUSH button: Surge current measurement.

MAX/MIN button: used for maximum/minimum

measurement function switch.

Rotary switch: used for shutting off power or

function selection.

INPUT jack: voltage, resistance, frequency, duty

ratio, capacitance, diode, circuit connection input

wire connecting terminal.

COM jack: voltage, resistance, frequency, duty ratio,

capacitance, diode, circuit connection common wire

connecting terminal.

AC, DC Alternating Current, direct current

Diode, on/off

Automatic measuring range mode

Maximum/minimum measurement

Surge current test

Relative measurement mode

Automatic power-off indicator

LOW BATTERY

Reading hold state

Percentage (duty ratio)

Millivolt, Volt (voltage), Ampere (current)

USB communication indicator

Nano farad, Microfarad, Millifarad

Ohm, Kilohm, Megohm (resistance)

Hertz, Kilohertz, Megahertz (frequency)

Hz,kHz,MHz

Ω,kΩ,MΩ

nF,μF,mF

mV,V,A

AUTO

MAX /MIN

INR

REL

Non-contact voltage detection

NCV

DC current zeroing function

09 10

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: 6000 digit.

Polarity indication: automatic indication, '-' means

negative polarity.

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

Sampling rate: about 4 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 low voltage 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 420g (including battery)

•

Each year, at a minimum, the meter should be

recalibrated when temperature is 18°C ~ 28°C and

relative humidity is less than 75%.

3.1 General

3.2 Technical Indicators

3.2.1 True RMS Zero Input Characteristic

3.2.1.1 For measuring non-sinusoidal wave signals,

use the true RMS measuring method, which

has less error than the traditional average

response measuring method.

3.2.1.2 The true RMS meter can accurately measure

non-sinusoidal wave signals, but in AC function,

when there is no signal to be measured (input

terminal short circuit in AC voltage grade), the

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 meter's accuracy.

3.2.1.3 True RMS can be measured only when input

signal reaches a certain level. Therefore,

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

±(2.5% reading + 8 digits)

60A

600A

1000A

0.01A

0.1A

- Maximum input current: 1000A AC

- Frequency range: 50 ~ 60Hz;

11 12

3.2.3 DC Current

Accuracy

Resolution

Measuring range

±(2.5% reading + 8 digits)

60A

600A

1000A

0.01A

0.1A

- Maximum input current: 1000A DC

3.2.4 Surge Current

Accuracy

Resolution

Measuring range

60A

600A

1000A

0.01A

0.1A

< 60A for reference only

±(10% reading + 60 digits)

Time of integration: 100ms; measurement range:

10~1000A; frequency range: 40~400Hz

3.2.5 DC Voltage

Accuracy

Resolution

Measuring range

±(0.8% reading + 4 digits)

±(0.5% reading + 5 digits)

0.1V

0.01V

0.001V

0.1mV600mV

60V

600V

1000V

- Input impedance: 10MΩ

- Maximum input voltage: 750V AC (RMS) or 1000V DC

- 600mV measuring range can be inputted only by

RANGE key.

Note:

In the small voltage measuring range, the probe is not

connected with the circuit to be tested, and the meter

may have fluctuating readings, This is normal and

caused by the meter's high sensitivity, and does not

affect actual measurement results.

3.2.6 AC Voltage

Accuracy

Resolution

Measuring range

±(0.8% reading + 4 digits)

±(0.8% reading + 5 digits)

0.1V

0.01V

0.001V

0.1mV600mV

60V

600V

750V

- Input impedance: 10MΩ

- Maximum input voltage: 750V AC (RMS) or 1000V DC

- Frequency range: 50 ~ 60Hz

- 600mV measuring range can be inputted only by

RANGE key.

Note:

In the small voltage measuring range, the probe is not

connected with the circuit to be tested, and the meter

may have fluctuating readings, This is normal and

caused by the meter's high sensitivity. This does not

affect the actual measurement results.

13 14

3.2.7 Frequency

Accuracy

Resolution

Measuring range

0.01Hz

60.00Hz

- Measuring scope: 10Hz~1kHz

- The input signal range:> 20A AC (RMS) (input

current will increase when the frequency to be

measured increases)

3.2.7.1 Clamp head measuring frequency (through

grade A):

±(1.5% reading + 5 digits)

600.0Hz 0.1Hz

3.2.7.2 Through grade V:

Accuracy

Resolution

Measuring range

0.01Hz60.00Hz

±(1.5% reading + 5 digits)

0.1Hz

1Hz

- Measuring scope: 10Hz~10kHz

- The input voltage range: > 20mV AC (RMS) (input

voltage will increase when the frequency to be

measured increases)

3.2.7.3 Through Hz grade:

- The input signal: VPP 3V square wave; Overload

protection: 250V DC or AC (RMS)

3.2.8 Duty Ratio

Accuracy

Resolution

Measuring range

10-90% ±3.0% 0.1%

6.000kHz 1Hz

10Hz60.00kHz

600.0Hz

6.000kHz

Accuracy

Resolution

Measuring range

0.01Hz60.00Hz

±(0.3% reading + 5 digits)

0.1Hz

1Hz

0.01kHz

60.00kHz

600.0Hz

6.000kHz

0.1kHZ

1kHZ

0.01MHZ60.00MHZ

600.0kHZ

6.000MHZ

Accuracy

Resolution

Measuring range

±(0.8% reading + 3 digits)

3.2.9 Resistance

±(1.2% reading + 3 digits)

60MΩ

600Ω

6kΩ

60kΩ

600kΩ

6MΩ

0.001kΩ

0.1Ω

0.01kΩ

0.1kΩ

0.001MΩ

0.1MΩ

- Overload protection: 250V DC or AC (RMS)

3.2.11 Capacitance

Accuracy

Resolution

Measuring range

±(3.0% reading + 5 digits)

6.000nF

- Overload protection: 250V DC or AC (RMS)

60.00nF

600.0nF

6.000µF

60.00µF

600.0µF

6.000mF

60.00mF

0.001nF

0.01nF

0.1nF

0.001µF

0.01µF

0.1µF

0.001mF

0.01mF

3.2.12 Diode Test

Function Resolution

Measuring range

- Forward DC current is about 1mA

- Overload protection: 250V DC or AC (RMS)

0.001V Display approximate diode

forward voltage value

FunctionResolution

Measuring range

3.2.10 Circuit Continuity Test

- Overload protection: 250V DC or AC (RMS)

0.1Ω

If the resistance of circuit to

be measured is less than

50Ω, the meter's built-in

buzzer may sound.

In the process of measurement, if reading hold is

required, then press “HOLD” key to release

reading hold.

4. Operating Guidance

4.1 Reading Hold

4.2 Manual Measuring Range

RANGE key is automatic/manual measuring range key

to trigger mode. The preset function is automatic

measuring range. Press to switch to manual measuring

range. In the manual measuring range mode, click

once to jump to upper grade, till to the top grade, then

continue to press this key to jump back to automatic

measuring range.

In the frequency measurement state, manual

measuring range button is invalid.

Note:

4.3 Back Light and Clamp Head Light

1) In the process of measurement, if ambient light is

too dark to read, press “B.L/RANGE” key about 2

seconds to turn on the backlight. The backlight will

automatically turn off after about 10 seconds.

2) During this period, pressing “B.L/ HOLD” key more

than two seconds will turn off backlight.

3) In the current grade, the meter will turn on backlight,

and at the same time it will turn on clamp head light.

Backlight luminophor is LED with high working

current. Although the meter has no timing circuit, if

backlight is used often, it will shorten battery life.

Therefore, minimize use of the backlight to conserve

battery power.

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