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Fluke 80 Series III user manual Uses for the Zoom Mode Models 83, General Maintenance

Models: 80 Series III

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Maintenance

Uses for the Zoom Mode (Models 83 and 85)

The relative mode, combined with the increased sensitivity of the bar graph’s zoom mode, helps you make fast and accurate zero and peak adjustments.

For zero adjustments, set the meter to the desired function, short the test leads together, press C; then connect the leads to the circuit under test. Adjust the circuit’s variable component until the display reads zero. Only the center segment on the Zoom bar graph is lit.

For peak adjustments, set the meter to the desired function, connect the leads to the circuit under test; then press C. The display reads zero. As you adjust for a positive or negative peak, the bar graph length increases to the right or left of zero. If an overange symbol lights

(Û ® ), press Ctwice to set a new reference; then continue with your adjustment.

Maintenance

Repairs or servicing not covered in this manual should be performed only by qualified personnel as described in the 80 Series III Service Manual.

General Maintenance

Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents.

Dirt or moisture in the terminals can affect readings and can falsely activate the Input Alert feature. Clean the terminals as follows:

1.Turn the meter off and remove all test leads.

2.Shake out any dirt that may be in the terminals.

3.Soak a new swab with a cleaning and oiling agent (such as WD-40). Work the swab around in each terminal. The oiling agent insulates the terminals from moisture-related activation of the Input Alert feature.

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Fluke 80 Series III user manual Uses for the Zoom Mode Models 83, General Maintenance
Page 40 Page 42

80 Series III specifications

The Fluke 80 Series III digital multimeters are renowned for their robust engineering, precision, and versatility, making them a staple in the toolkit of electricians, engineers, and technicians. Launched by Fluke Corporation, a leading manufacturer of electronic test tools, the 80 Series III has set a benchmark in the multimeter industry for its reliability and performance.

One of the standout features of the Fluke 80 Series III is its wide measurement capabilities. The device can accurately measure AC and DC voltage, DC current, resistance, frequency, and capacitance. This comprehensive feature set allows users to tackle a variety of tasks, from simple household electrical checks to complex industrial applications. The meter's high input impedance prevents loading effects on circuits, ensuring accurate readings, especially in sensitive electronic applications.

Fluke's proprietary True-RMS technology is another defining characteristic of the 80 Series III. This technology ensures that the multimeter provides accurate readings for both non-linear loads and distorted waveforms, which are common in many modern electrical systems. This capability is particularly valuable in diagnosing issues in variable frequency drives, inverters, and other electronic systems that do not present traditional sinusoidal waveforms.

Durability is a key factor in the design of the Fluke 80 Series III. The multimeter is housed in a rugged, impact-resistant case that can withstand the rigors of fieldwork. It features a built-in protective holster with a probe holder, enhancing portability while safeguarding the device against drops and bumps. Furthermore, the 80 Series III boasts an IP67 rating for dust and water resistance, ensuring reliable performance in adverse conditions.

User-friendliness is also a significant aspect of the Fluke 80 Series III. The large, easy-to-read display, combined with intuitive controls, allows users to navigate its functions with ease. The multimeter features a backlight, enabling use in dimly lit environments, while the hold function ensures that readings can be captured and displayed even after disconnecting the probes.

In addition to these features, the Fluke 80 Series III offers various models to cater to specific needs, such as the 87V for highly accurate measurements in industrial environments and the 86V for temperature measurements with added thermocouple support. Each model maintains the high standards of quality and performance that Fluke is known for.

In summary, the Fluke 80 Series III digital multimeters combine advanced features, high accuracy, and rugged durability, making them indispensable tools for professionals who require reliable performance in challenging environments. Whether for routine maintenance or complex troubleshooting, the 80 Series III offers everything necessary to meet the demands of today’s electrical tasks.