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MASTECH MS8268 Digital Multimeter Quick Start Guide

MASTECH MS8268 Digital Multimeter

Quick Start Guide

Safety Precautions

Important: Special attention must be paid when using this test and measurement instrument, as improper usage may cause electric shock and damage to the equipment.

  • Use probes, test leads, and adapters with the proper measurement category (CAT), voltage, and amperage ratings.
  • Do not use or store the device near explosive gas, vapor, or in high temperature and humidity environments.
  • When handling test probes and crocodile clips, keep fingers behind the physical guard.
  • Examine test leads before use. If insulation is deteriorated (even partially), replace them with proper functional test leads.
  • Connect the common test lead before the live test lead, and remove the live test lead before the common test lead.
  • Before measuring current, ensure the instrument's fuses are available and disconnect the power supply to the circuit being tested.
  • Remove batteries if the device is not used for an extended period or stored above 45°C to prevent damage from battery leakage.

Specifications

Function/RangeResolutionAccuracy
DC Voltage (V=)400mV, 4V, 40V, 400V, 1000V0.1mV, 1mV, 10mV, 100mV, 1V±(0.7%+2) to ±(0.8%+2)
AC Voltage (V~)4V, 40V, 400V, 750V1mV, 10mV, 100mV, 1V±(0.8%+3) to ±(1.0%+3)
DC Current (A=)400µA, 4000µA, 40mA, 400mA, 10A0.1µA, 1µA, 10µA, 0.1mA, 10mA±(1.2%+3) to ±(2.0%+5)
AC Current (A~)400µA, 4000µA, 40mA, 400mA, 10A0.1µA, 1µA, 10µA, 0.1mA, 10mA±(1.5%+5) to ±(3.0%+7)
Resistance (Ω)400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ0.1Ω, 1Ω, 10Ω, 100Ω, 1kΩ, 10kΩ±(1.2%+2) to ±(2.0%+5)
Capacitance (F)4nF, 40nF, 400nF, 4µF, 40µF, 200µF1pF, 10pF, 100pF, 1nF, 10nF, 0.1µF±(3.0%+3) to ±(5.0%+5)
Frequency (Hz)10Hz, 100Hz, 1000Hz, 10kHz, 100kHz, 200kHz0.001Hz, 0.01Hz, 0.1Hz, 1Hz, 10Hz, 100Hz±(2.0%+5)
Duty Cycle (Hz%)0.1% to 99.9%0.1%±(2.0%+2)

Note: Specifications are subject to change without notification.

Safety Ratings: CAT II 1000V, CAT III 600V

Basic Usage Examples

To measure DC Voltage (V=):

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the VΩHz terminal.
  3. Turn the dial to the V= position.
  4. Connect the test leads across the DC voltage source.
  5. Read the voltage on the display (e.g., 12.38 V=).

To measure AC Voltage (V~):

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the VΩHz terminal.
  3. Turn the dial to the V~ position.
  4. Connect the test leads across the AC voltage source.
  5. Read the voltage on the display (e.g., 230.6 V~).

To measure DC Current (A=) in mA/µA range:

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the mA/µA terminal.
  3. Turn the dial to the A= position.
  4. Connect the multimeter in series with the circuit.
  5. Read the current on the display (e.g., 2.53 A).

To measure DC Current (A=) in 10A range:

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the 10A terminal.
  3. Turn the dial to the A= position.
  4. Connect the multimeter in series with the circuit.
  5. Read the current on the display (e.g., 2.53 A).

To measure AC Current (A~) in mA/µA range:

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the mA/µA terminal.
  3. Turn the dial to the A~ position.
  4. Connect the multimeter in series with the circuit.
  5. Read the current on the display (e.g., 2.53 A).

To measure AC Current (A~) in 10A range:

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the 10A terminal.
  3. Turn the dial to the A~ position.
  4. Connect the multimeter in series with the circuit.
  5. Read the current on the display (e.g., 2.53 A).

To measure Resistance (Ω):

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the VΩHz terminal.
  3. Turn the dial to the Ω position.
  4. Connect the test leads across the resistor (ensure power is off).
  5. Read the resistance on the display (e.g., 380.6 Ω).

To measure Capacitance (F):

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the VΩHz terminal.
  3. Turn the dial to the F position.
  4. Connect the test leads across the capacitor (ensure it is discharged).
  5. Read the capacitance on the display (e.g., 27.01 µF).

To measure Frequency (Hz):

  1. Connect the black test lead to the COM terminal.
  2. Connect the red test lead to the VΩHz terminal.
  3. Turn the dial to the Hz position.
  4. Connect the test leads to the signal source.
  5. Read the frequency on the display (e.g., 60.58 Hz).

To measure Transistor hFE:

  1. Turn the dial to the hFE position.
  2. Insert the transistor into the appropriate hFE socket (PNP or NPN).
  3. Read the hFE value on the display (e.g., 100).

Company Information

MGL Group

  • EMEA: MGL EUMAN S.L., C/ Picu Castiellu, Parcelas i1-i4 33163, Argame Morcín, Asturias, Spain. Email: cs.emea@mgl-intl.com
  • USA: MGL AMERICA, INC., 2810 Coliseum Centre Drive, Ste. 100 Charlotte, North Carolina 28217 USA. Email: cs.na@mgl-intl.com
  • United Kingdom: MGL GROUP U.K. LIMITED, 14 Weller St, London, SE1 1QU, UK. Email: cs.uk@mgl-intl.com
  • Mexico & LATAM: MGL LATAM S.A DE CV, Colonia Industrial Vallejo Del. Azcapotzalco 02300, Mexico D.F. Email: cs.latam@mgl-intl.com
  • APAC: MGL APPA Corporation, Flat 4-1, 4/F, No. 35, Section 3 Minquan East Road, Taipei, Taiwan. Email: cs.apac@mgl-intl.com
Models: MS8268 Digital Multimeter, MS8268, Digital Multimeter, Multimeter

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