Mastech MS2208 User manual

Contents

Safety Instructions .................................................. 2

Safety Sign ............................................................... 3

General Description................................................. 3

Features .................................................................... 4

Appearance .............................................................. 6

Knob Switch Operations ......................................... 8

Button Switch Operations .................................... 10

LCD DISPLA ......................................................... 12

Hz ............................................................................ 13

Instruction Manual ................................................ 15

AC voltage (V) measurement .............................. 15

AC CURRENT measurement ................................ 17

Test of single-phase circuit .................................. 19

cosΦ, sinΦ, and phase angle measurement ..... 22

Single-phase three-line circuit ............................. 22

Input Voltage and Current ................................... 23

During power measurement, if input voltage is over

600 (RMS) or current over 200 A (RMS), “OL”

symbol will be displayed and bar symbol shown in

full scale. ................................................................. 23

Backlight ................................................................. 23

Auto Power Off ...................................................... 24

Power curve diagram ............................................ 24

Battery-low Indication .......................................... 26

General specification ............................................ 27

Technical specification .......................................... 29

Accessories ............................................................. 32

Please carefully read the instruction manual before

using the tester, and pay special attention to

“Warning” content. Please follow instructions under

“Warning”.

1. Please be very careful when test voltage is

higher than AC 30 , and do keep in mind that

your finger shall not exceed the hand-shielding

part of the test probe.

2. Do not measure voltage which is higher than the

allowed input limit.

3. Before use, please check the meter and test

probe; do not carry out testing in case the test

probe is naked, tester housing is damaged, or

there is no LCD display, etc..

4. It meets requirements of safety standards only

when the meter is used together with the

supplied test probes. In case the test probe is

damaged and needs replacement, it is required to

replace it with a test probe of the same model

and identical electrical specifications.

5. Please never carry out any voltage measurement

whenever the test probe is inserted in any

current outlet.

6. Please do not expose the meter to strong light,

high temperature, or dampness.

Before use, please carefully read this

instruction manual. Especially safety

contents!

Safety Instructions

The digital power meter is designed and

manufactured in accordance with international

standard, IEC61010-1, and international safety

specification, IEC1010-2-032, and the meter strictly

follows the safety standard of double-insulation AC

600 CAT III.

Safety Sign

Important safety signs; please refer to

instruction manual

High voltage hazard

Earthing

Double insulation (Category-II safety

equipment)

Battery low Indicator

General Description

The digital power meter is a hand-held intelligent

harmonic power tester, with both functions of digital

current testing and power testing. The tester is

comprised of three channels including voltage,

current, and power as well as a micro single chip

system, and it is equipped with a powerful software

for measurement and data processing functions; it can

measure, calculate, and display voltage, current,

active power, power factor, apparent power, passive

power, frequency, harmonic parameters, with stable

performance and operation convenience. The meter is

especially suitable for the measurement and

examination of on-site power equipment and

power-supplying circuits; with hand-held clamp

structure, small volume, and light weight, it can be

easily carried by the user, which makes it easy and

fast for doing measurement. For measurement of

sing-phase power, The meter is your ideal choice.

Features

1. The meter can be used for testing power, voltage,

current, peak value, phase, frequency, power

factor, phase angle, and reaction factor, etc. of

single-/three-phase circuit; automatic phase

sequence testing is possible for 3-phase

measurement.

2. True effective value measurement: accurate

measurement is possible even with serious

distortion in current waveform.

3. Low-consumption high-speed single-chip

microprocessor is employed and sophisticated

algorithm is applied, as a result, results can be

obtained rapidly and precisely, and up to 20

harmonics and distortion value thereof can be

measured.

Hand-held, clamp-type structure, with light weight,

convenient for carry-on.

Appearance

1. Current clamp size：Ф26mm

2. Function-switching knob :Rotation knob for

selecting different measuring function

3. Function-selection button: Button for operating

the measuring functions

4. Input terminal

erminal

Function

FunctionFunction

Function

V Input terminal for measuring the first

phase; use yellow test probe for

connection

COM Input terminal for measuring the 2nd

phase; use black test probe for

connection. Common terminal: ground

input terminal (earthing) for all

measuring functions; use black test probe

for connection.

5. LCD display :4-digit digital display; 7-section

LCD for displaying measurement operation

function, test result, and unit sign.

6. H/ 键：HOLD button :DATA HOLD

button; press down HOLD button, and the last

reading will be held and displayed on the display,

and “HOLD” symbol will be shown; press

HOLD button again, and the meter will switch

back to normal measurement mode.

7. Trigger :Press down the trigger, and the clamp

will open; release it, and the clamp will close.

8． LED Lamp

In power and current mode ,press button

open or close Lamp

Knob Switch Operations

The function-switching knob is used for powering-on

and for switching to any measurement function in the

following table.

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