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Summary of Contents for Mastech MS8238H
- Page 1 MS8238H Digital Multimeter User's Manual...
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Page 2: Table Of Contents
CONTENTS CONTENTS 1. Overview ..............01 ............09 4.4 Continuity 2. Safety Information ..........01 ............10 4.5 Diode test ..........01 2.1 Safety Standards ............10 4.6 Battery test ...........02 ............11 2.2 FCC Statement 4.7 Temperature ............02 ..........11 2.3 Precautions 4.8 Non-Contact Voltage ..........04 ..........11 2.4 Electrical Symbols 4.9 Wireless Operation 3. -
Page 3: Overview
1.Overview 2.2 FCC Statement This device complies with part 15 of the FCC Rules. Operation is WARNING subject to the following two conditions: (1) This device may not cause To avoid electrical shock or personal injury, please read all harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 4: Electrical Symbols
• Never measure voltages that may exceed the protection limit indicated 2.4 Electrical Symbols on the meter. Important safety information. • Always be careful when working with voltages above 60V DC or 30V High voltage with danger. AC rms. Keep fingers behind the probe barriers when making voltage measurements. -
Page 5: Description
3 Description and Usage 3.2 Display 3.1 Front Panel Direct Current/Voltage Alternating Current/Voltage Negative Value Wireless Communication indicator Auto Power Off Low Battery Auto Range Active Main Display Data Hold 1.LCD display 6.Rotary switch Diode Test 2.Wireless 7.10A input jack communication button 8.Common jack Continuity Test... -
Page 6: Operating Instructions
3.3 Button Functions 4. Operating Instructions 4.1 AC/DC voltage measurement FUNC button: • Press “FUNC” to switch between AC/DC or between function in a • Set the rotary switch to the AC/DC voltage position. rotary switch position. • Press “FUNC” to switch between AC and DC voltage. •... -
Page 7: Resistance
NOTE WARNING Check fuses before making current measurements.Make sure To prevent injury or damage to the meter,turn off power to to use correct input jicks to prevent damage to the meter. circuit and discharge all capacitors fully before making continuity measurements. 4.3 Resistance measurement 4.5 Diode test •... -
Page 8: Temperature
4.7 Temperature measurement 5. Specifications • Set the rotary switch to the temperature position. Press “FUNC” to 5.1 General Specifications switch between Celsius and Fahrenheit. Function Range • Connect the positive end of the K-type thermocouple to the input jack and the negative end to the COM jack. -
Page 9: Technical Specifications
5.2 Technical Specifications 5.2.3 Resistance Accuracy: ±(% of reading + digits) at 18°C~28°C with a relative humidity Range Accuracy Resolution of <80%; guaranteed for a period of one year. 400Ω 0.1Ω 5.2.1 DC Voltage 4kΩ 0.001kΩ Range Accuracy Resolution 40kΩ 0.01kΩ... -
Page 10: Maintenance
5.2.6 DC Current 5.2.8 Temperature Range Accuracy Resolution Accuracy Resolution Range 400µA 0.1µA -20~1000°C 1°C ±(2.0% of reading +2 digits) 4000µA 1µA -4~1832°F 1°F ±(2.0% of reading +4 digits) ±(1.0% of reading +10digits) 40mA 0.01mA 6. Maintenance 400mA 0.1mA 6.1 General Maintenance ±(2.0% of reading +8digits) 10mA This section provides basic information on maintaining the meter, such... -
Page 11: Replacing The Battery
6.2 Replacing the Battery 6.4 Replacing the Probe insulation probe damaged replace WARNING To avoid false readings and potential dangerous situations, WARNING replace the battery immidately when the “ ” symbol Use meet EN 61010-031 standard, rated CAT III 600V, 10A or appears. - Page 12 R-00-05-1807...
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