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General| Model | EM721 |
|---|---|
| Brand | MAC TOOLS |
| Diode Test | Yes |
| Continuity Test | Yes |
| Battery Test | Yes |
| Display | LCD |
| Frequency Range | 10Hz to 10MHz |
| Category | Digital Multimeter |
Details warranty terms and limitation of liability for the multimeter.
Provides a summary of the multimeter's features and measurement capabilities.
Essential guidelines to prevent electric shock, injury, or damage to the meter.
Defines various symbols used on the meter and in the manual.
Introduces the multimeter and lists its key features and applications.
Shows digital readings with polarity and automatic decimal point placement.
Provides an analog representation of readings, updating 20 times per second.
Explains the use of buttons like ±TRIG, REL, HOLD, REC, %DUTY, RANGE, and DWL.
Details the rotary switch for function selection and the input terminals for test leads.
Explains automatic power-off feature and how to use the inductive pickup accessory.
Defines various icons and indicators like RPM, Hold, Low Battery, USB, etc.
Describes the analog scale and symbols for units like Volts, Amps, Ohms, Hz, etc.
Covers accuracy, analog bargraph use, and safety shutters for measurements.
Instructions for measuring DC and AC voltage across circuit elements.
Procedures for measuring resistance and testing circuit continuity using the multimeter.
Method for testing the forward voltage drop of diodes.
Steps to measure DC and AC current in a circuit.
How to measure temperature using the K Type Thermocouple accessory.
Procedure for checking capacitor condition in microfarads.
Instructions for measuring frequency using High-Sen and Hz modes.
Measuring engine speed using inductive pickup or test probes.
Testing duty cycle, pulse width, and dwell angle for engine components.
Measuring automotive signals frequency, such as MAF sensor output.
Procedures for battery surface discharge, no-load, parasitic load, and voltage load tests.
Techniques for measuring voltage drop in various automotive circuits.
Procedures for testing alternator output voltage, field current, and diodes.
Testing spark plug wires, coil windings, and condensers.
Procedures for testing position, pressure, and oxygen sensors.
Detailed accuracy and range specifications for voltage and current measurements.
Accuracy and range details for resistance, diode, and continuity tests.
Accuracy and range details for capacitance, temperature, and frequency measurements.
Accuracy and range details for RPM, duty cycle, dwell angle, and pulse width.
Information on display, fuse protection, operating environment, and physical dimensions.
Guidelines for cleaning the meter and replacing the battery or fuses.
Instructions for installing and using the PC communication software.
Information on article disposal and contacting customer support.
