Mastech MS2108 Operation Manual
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Mastech MS2108 Operation Manual

Digital clamp
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DIGITAL CLAMP METER
OPERATION MANUAL
600V CAT lll
A
MAX 600A
MS2108
A
V
Ω
SEL
/%
MIN
RAN
Hz
MAX
T-RMS
AUTO-PWER OFF
AC/DC CLAMP METER
AUTO
MANU
MAX
MIN
TRMS
INRUSH
COM
INPUT
600V
CAT III

MAX
600V
MS2108
OFF
OFF
B.L
HOLD
Press 2 Sec
INRUSH
ZERO
°C°F%
μmVA
nμmF
MkΩ
Hz

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Summary of Contents for Mastech MS2108

  • Page 1 MS2108 DIGITAL CLAMP METER OPERATION MANUAL 600V CAT lll MAX 600A MS2108 Ω HOLD Press 2 Sec T-RMS AUTO-PWER OFF AC/DC CLAMP METER INRUSH AUTO MANU ZERO °C°F% μmVA nμmF MkΩ TRMS INRUSH INPUT 600V CAT III 600V...

  • Page 2: Table Of Contents

    CONTENTS CONTENTS 1. Safety Information......1 4.7 Auto Power Off..........18 1.1 Preliminary ..........1 4.8 Preparing For Measurement ......19 1.2 During use ........2 4.9 Measuring Ac Current .......20 1.3 Symbols..........3 4.10 Measuring Inrush Current ......22 1.4 Maintenance.........4 4.11 Measuring Dc Current ......24 2.

  • Page 4: Symbols

    1.2.11 Do not use the meter near explosive gases, opening the rear case and battery cover of the meter. steam or dirt. 1.4.3 To avoid any electric shock caused by error 1.2.12 Stop using the meter if any abnormalities or readings, replace the batteries immediately when faults are observed.

  • Page 7: Specifications

    3. Specifications Calibration is required once a year, to be carried out at a temperature between 18°C and 28°C (64°F to 82°F) and relative humidity below 75%. 3.1 General Specifications 3.1.1 Auto range and manual range options are available. 3.1.2 Over range protection is provided for all ranges. 3.1.3 Maximum voltage between terminals and earth ground: 600V DC or rms AC 3.1.4 Operating altitude: max.
  • Page 9 3.2.7.2 By V range: 3.2.9 Resistance Range Accuracy Resolution Range Accuracy Resolution 660Hz 0.1Hz 660Ω 0.1Ω ±(1.5% of rdg + 5 digits) 6.6kHz 0.001kHz 6.6kΩ 0.001kΩ 10kHz 0.01kHz ±(1.2% of rdg + 2digits) 66KΩ 0.01kΩ Take it only as referance >10kHz 0.01kHz 660kΩ...

  • Page 11: Switching Functions

    Note: 4.6.2 During the back light is working, press the “HOLD/B.L” button for two or more seconds, it 1) During measuring maximum or minimum value, the will be turned off. meter will be set to manual mode automatically. 4.6.3 At the current range, when the back light is 2) During working at frequency or duty measuring switched on, the clamp lighting bulb will be turned  function, the meter can't be changed into maximum...

  • Page 13: Measuring Inrush Current

    4.10 Measuring Inrush Current WARNING Beware of Electrocution. Ensure that the test leads are disconnected from the meter before making current clamp measurements. 4.10.1 Set the rotary selector to the A range position. 4.10.2 Press the trigger to open jaw. Fully enclose only one conductor.

  • Page 14: Measuring Dc Current

    4.11 Measuring DC Current WARNING Beware of Electrocution. Ensure that the test leads are disconnected from the meter before making current clamp measurements. 4.11.1 Set the rotary selector to the A range position. 4.11.2 Auto range mode or manual range mode can be selected by pressing the “RAN”...

  • Page 15: Measuring Ac Voltage

    4.12 Measuring AC Voltage WARNING Beware of Electrocution. Pay special attention to avoid electric shock when measuring high voltage. Do not input the voltage which more than 600V rms AC. 4.12.1 Plug the black test lead into the COM jack and the red test lead into the INPUT jack.

  • Page 16: Measuring Dc Voltage

    4.13.1 Plug the black test lead into the COM jack and the red test lead into the INPUT jack. 4.13.2 Set the rotary selector to at the V range position. 4.13.3 Press the“SEL” button to turn to DC V range. Auto range mode or manual range mode can be selected by pressing the “RAN”...

  • Page 17: Measuring Frequency

    4.14 Measuring Frequency 4.14.1 By A range (from current clamp): WARNING Beware of Electrocution. Ensure that the test leads are disconnected from the meter before making current clamp measurements. 4.14.1.1 Set the rotary selector to the A range (A~ or A) position. 4.14.1.2 Press the trigger to open jaw.

  • Page 19: Measuring Duty

    4.15 Measuring Duty 4.15.1 By A range ( from current clamp): WARNING Beware of Electrocution. Ensure that the test leads are disconnected from the meter before making current clamp measurements. 4.15.1.1 Set the rotary selector to the A range or A ) position.
  • Page 20 4.15.2 By V range: WARNING Beware of Electrocution. Pay special attention to avoid electric shock when measuring high voltage. Do not input the voltage which more than 600V rms AC. 4.15.2.1 Plug the black test lead into the COM jack and the red test lead into the INPUT jack.

  • Page 22: Testing Diode

    4.17 Testing Diode 4.17.1 Plug the black test lead into the COM jack and the red test lead into the INPUT jack. 4.17.2 Set the rotary selector to the Ω range position. 4.17.3 Press the "S E L" button to switch to test.

  • Page 23: Testing Continuity

    4.18 Testing Continuity WARNING Beware of Electrocution. Make sure that the power of the circuit has been turned off and the capacitors have been fully discharged before testing the continuity of a circuit. 4.18.1 Plug the black test lead into the COM jack and the red test lead into the INPUT jack.

  • Page 25: Maintenance

    5. Maintenance 5.1 Replacing The Batteries WARNING To avoid electric shock, make sure that the test leads have been clearly move away from the circuit under measurement before opening the battery cover of the meter. 5.1.1 If the sign “ ”...
  • Page 26 R-00-05-0648...

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