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General| Model | MD79 |
|---|---|
| Brand | Matco Tools |
| Diode Test | Yes |
| Continuity Test | Yes |
| Auto Power Off | Yes |
| Low Battery Indicator | Yes |
| Data Hold | Yes |
| Backlight | Yes |
| Battery Type | 9V |
| Overload Protection | Yes |
| Category | Multimeter |
| Current Range (DC) | 0.1A to 10A |
| Frequency Range | 10Hz ~ 10MHz |
| Temperature Range | -40°C to 1000°C |
| Duty Cycle Range | 0.1% to 99.9% |
| Safety Rating | CAT III 600V |
Details double insulation and measurement category ratings (CAT III 600V, CAT IV 300V AC & DC).
Explains Overvoltage Categories II, III, and IV as per IEC61010-1.
Defines WARNING and CAUTION terms used in the manual for safety.
Warns about fire/electric shock risks, moisture, high voltages, and proper handling of test leads.
Cautions users to disconnect test leads before changing meter functions.
Lists and explains common electrical safety and function symbols used in the manual.
Identifies and describes the main parts of the clamp-on multimeter and its features.
Explains how to operate ACV, DCV, DC+ACV, Line-level Hz, and EF (NCV) functions.
Explains the digital low-pass filter in ACV mode for VFD signals and stability.
Details the Non-Contact and Probe-Contact EF-Detection modes for identifying live conductors.
Provides cautions for applying/removing clamp jaws and aligning conductors for accuracy.
Warns against measuring currents above 400Hz due to potential overheating.
Provides guidance on interpreting diode test results and performing reverse bias checks.
Cautions against using these functions on live circuits and advises component disconnection.
Mentions using K-type probes and optional plug adapters for temperature measurements.
Cautions against using capacitance function on live circuits and advises component disconnection.
Warns about the importance of solid connections for accurate phase rotation detection.
Explains using the Hi-sensitivity mode to detect motor rotation direction.
Explains using the Normal mode to identify mains phase sequence.
Describes how to enable and use the complementary beeper for phase rotation indication.
Explains how to use the Hold feature to freeze the display reading.
Details how to activate and use the MAX/MIN/AVG recording mode.
Explains how to use the Relative-Zero mode to offset measurements.
Explains how to use DC-Zero mode to offset residuals in DCA/DC+ACA measurements.
Describes the 80ms PEAK-RMS mode for capturing inrush currents.
Explains how to toggle the LCD backlight and its auto-off function.
Explains the Intelligent Auto-Power-Off feature and conditions for its activation.
Warns to disconnect power and test leads before opening the meter case.
Provides basic troubleshooting steps for instrument failure and potential component issues.
Advises on cleaning the meter and proper storage procedures, including battery removal.
Details the process for replacing the meter's batteries.
Details the range, accuracy, and input impedance for DC Voltage measurements.
Provides specifications for AC Voltage measurements, including the low-pass filter.
Details specifications for DC+AC Voltage measurements for specific models.
Lists the response time for PEAK-rms measurements.
Specifies the audible threshold and response time for continuity testing.
Details the range, accuracy, and open circuit voltage for Ohm measurements.
Lists the range and accuracy for Capacitance measurements.
Provides specifications for the Diode Tester function, including test current and open circuit voltage.
Details the range, accuracy, and burden voltage for DCµA measurements.
Lists the range and accuracy for Temperature measurements in Celsius and Fahrenheit.
Provides accuracy specifications for AmpTip™ clamp-on ACA measurements.
Details accuracy specifications for AmpTip™ clamp-on DCA measurements.
Lists accuracy specifications for AmpTip™ clamp-on DC+ACA measurements.
Provides accuracy specifications for Regular Clamp-on ACA measurements.
Details accuracy specifications for Regular Clamp-on DCA measurements.
Lists accuracy specifications for Regular Clamp-on DC+ACA measurements.
Details sensitivity and range for Hz Line Level Frequency measurements.
Lists typical voltages and bar-graph indication for EF-Detection.
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