Gossen Metrawatt M817S Mains-analysis device, Mains analyser M817S Hoja De Datos

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Energy Platform Features

All Energy Platform functions described below are operable using a color LCD touch 

screen technology. Users may use a finger and/or a PDA stylus to apply pressure to the 

LCD screen to result in touch screen recognition. The touch screen display is also 

workable with lineman gloves on. Touch screen buttons will appear in reverse-video to 

show visual feedback of contact along with audible feedback. In order to reduce power 

consumption, the backlight of the LCD screen times-out after a specified 

programmable time of no user activity. The backlight reactivates by touching any part 

of the screen.

Scope mode functions as an oscilloscope, displaying real-time waveforms of voltage 

and current for up to eight channels simultaneously, with one second update rate. The 

colors of waveform display are user programmable. Scope mode also provides a textual 

display of rms values, division for axis values, and frequency. 

Meter mode functions as a true rms voltmeter and a true rms clamp-on ammeter. 

Voltage and current measurements, along with other calculated parameters, are 

displayed on the Meter mode screens in both textual and graphical format.

Harmonics display the amplitude and phase of each harmonic to the 63rd harmonic in 

both graphical and textual format.

The phasor screen displays a graph that indicates phase relations between voltage and 

current based upon the angles at the fundamental frequency, as determined by Fourier 

analysis. Phasor diagram displays voltage and current phasors for all channels. 

Functioning as a phase angle meter, the unit can display system imbalance conditions 

and provides such information in textual form also. The phase angle display can also 

verify if monitoring connections have been made correctly. Animated phasor demo 

rotations demonstrating resistive, inductive and capacitive loads can be displayed.

Energy Platform features an Event List screen which shows a summary of all captured 

events in the order that they occurred. An event occurs when a programmed threshold 

limit is crossed. Energy Platform is able to record three types of events namely sag, 

swell or aggregate snapshot.