Voltage Meter
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The Fluke 87V Industrial Meter
In any job that deals with troubleshooting or diagnosing electrical equipment, a measurement tool is the technician’s best friend. Multimeters have come a long way, and today’s digital multimeters offer incredible accuracy and ease of use for a low cost. A full range of electrical measurements can be made by a full-featured meter, including AC and DC voltage, AC and DC current, capacitance, resistance/conductivity, frequency, and even temperature or diode functionality.
One such advanced multimeter is the Fluke 87 v. It has all the functions for measuring electrical properties, including DC and AC voltage, current, resistance, continuity, capacitance, frequency and even temperature. It’s a True RMS reading meter, so it gives accurate AC measurements even for non-sinusoidal wave forms. Further, the 87V gives special features oriented to industrial scenarios.
Perhaps the most important feature is a low-pass filter that filters out selected frequencies, isolating the signal in adjustable motor applications and other noisy scenarios. Secondly, safety is bulked up on this meter, with an input jack warning system, which beeps when the leads are plugged into the current measurement terminals, but current measurement is not selected on the rotary measurement dial. Plus, it can handle up to 8000V surges or spikes. Lastly, accuracy and resolution are astounding at 0.05% basic DC accuracy and 20,000 counts.
From a usability point of view, the Fluke 87V comes with a nice backlit display and Fluke’s standard convenience buttons. These include AutoHOLD, MINMAX, and RANGE, which are common to most Fluke meters. AutoHOLD toggles between 3 modes of value display: real-time, hold, and auto-hold. Hold maintains the measurement, and autohold maintains the measurement until a new stable one is measured. MINMAX allows you to display the minimum and maximum readings on the display, for use during transient measurements. And RANGE switches between manual and automatic range selection to maximize the resolution and accuracy.
For the 87V, Fluke added a relative measurement, a beeper toggle, and frequency measurement. The relative measurement mode gives you the ability to effectively zero a measurement, to display the difference between the current measurement and the stored measurement. The beeper toggle switches the beep on and off, and the frequency measurement button puts it into an advanced frequency measurement mode.
The Fluke 87V has 4 input terminals: 1 common, 2 fused current measurement terminals (400mA and 10A), and 1 terminal for all other measurements. It uses a 9V battery for up to 400 hours of un-backlit battery life, and it comes with a lifetime warranty.
For more on Fluke meters, visit the website FlukeMeters.org.
Why is my car voltage meter low?
I think it should read about 12, but its at 10 and under lately. I have a 6 month old voltage regulator and coil. Battery is 5 years old.
Car is 1988 Porsche 944 N/A.
Thanks!
When running, it should read 13.4 - 14.4 volts. This sounds more like a bad A C Generator (Alternator). With that age, wouldn't hurt to have the batter load tested as well.
Don't trust your gauge. Use a voltmeter to see what voltage the system actually has.
How to use a volt meter By www.pursuitzone.com
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