Mastech MS8238C User Manual
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Mastech MS8238C User Manual

Mastech MS8238C User Manual

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Digital Multimeter
User's Manual
MS8238C
DIGITAL MULTIMETER
FUNC
HOLD
RAN
NCV
μA
mA
12V
TEMP
V
600V
Autorange
CAT III
Auto power off
TEMP
mAμAV
COM
MAX
MAX
10A
200mA
FUSED
FUSED
MAX 30 sec.
MAX
every 15 min.
600V
MS8238C
9V
1.5V
CAT III
600V

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Summary of Contents for Mastech MS8238C

  • Page 1 MS8238C Digital Multimeter User's Manual MS8238C DIGITAL MULTIMETER FUNC HOLD μA TEMP 1.5V CAT III 600V 600V Autorange CAT III Auto power off TEMP mAμAV 200mA FUSED FUSED MAX 30 sec. every 15 min. 600V...

  • Page 2: Table Of Contents

    CONTENTS 1.Overview ............1 ......8 4.3 Resistance measurement Safety Information ........1 .......9 4.4 Continuity measurement ........1 2.1 Safety Standards ..........9 4.5 Diode test ..........1 2.2 Precautions ..........10 4.6 Battery test ......10 ........3 2.3 Electrical Symbols 4.7 Temperature measurement 5. Specifications ..........11 Description and Usage ......4 ........11...

  • Page 3: Overview

    • Check the test leads for cracks or exposed wires before using the meter.Replace if necessary. The MS8238C is a small, safe and reliable 3 ½ digit • Ensure the meter works properly by testing a known handheld auto ranging multimeter.This meter can voltage source first.

  • Page 4: Electrical Symbols

    Measure known voltage with the meter to verify that • the meter is working properly. If the meter is working MS8238C DIGITAL MULTIMETER abnormally, stop using it immediately. A protective FUNC HOLD device may be damaged.

  • Page 5: Display

    3.3 Button Functions 3.2 Display FUNC button: • Press “FUNC” to switch between AC/DC or between functions. AUTO DATA HOLD button: • Press “HOLD” to keep the current reading on screen. “DATA H” symbol will appear on the display. kMΩ •...

  • Page 6: Operating Instructions

    4. Operating Instructions WARNING 4.1 AC/DC voltage measurement Never measure open-circuit voltages exceeding • Set the rotary switch to the AC/DC voltage position. 600V between the input terminals and ground to • Press “FUNC” to switch between AC and DC voltage. prevent injury or damage to the meter •...

  • Page 7: Continuity Measurement

    4.4 Continuity measurement 4.6 Battery test • Set the rotary switch to the appropriate battery test range. • Turn off power to the circuit. Allow all capacitors to • Connect the red test lead to the input jack and the black discharge.

  • Page 8: Specifications

    5. Specifications 5.2 Technical Specifications Accuracy: ±(% of reading + digits) at 18°C~28°C with a 5.1 General Specifications relative humidity of <80%; guaranteed for a period of Range Function one year. 5.2.1 DC Voltage Safety Rating CAT III 600V, pollution degree: II Measuring range Accuracy Resolution...
  • Page 9 5.2.3 Resistance 5.2.6 DC Current Measuring range Accuracy Resolution Measuring range Accuracy Resolution 200Ω 0.1Ω 200µA 0.1µA 2kΩ 0.001kΩ ±(0.8% of reading +3 digits) 2000µA 1µA ±(0.8% of reading +4 digits) 20kΩ 0.01kΩ 20mA 0.01mA 200kΩ 0.1kΩ 200mA 0.1mA 2MΩ 0.001MΩ...

  • Page 10: Maintenance

    • To clean input jacks, follow the following steps: When measuring current exceeding 2A, do not measure for longer than 2 minutes continuously.Wait 10 minutes 1.Turn off the instrument and remove the test leads. 2.Clear any dirt or other particles on the input jacks. to continue measurement.
  • Page 11 R-00-05-1568...

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