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Operation

EPM2000/EPM2000e Reference Guide

VERAGE MODE

Use Average Mode to reduce pulse-to-pulse variation on the EPM2000 display. While in Average

Mode, the EPM2000 reports the arithmetic mean of some number of consecutive samples. This

number, the Average Batch Size, can be any integer from 2 to 99. Although only the resulting mean is

displayed on the LCD, the EPM2000 can be programmed save each reading in its internal buffer for

later transfer to a host computer. After reporting the mean value, the EPM2000 resets its counter and

begins sampling the next batch. No readings are lost in the process. The previous value remains

onscreen until the next value is calculated.

Average Mode will function while measuring Joules, Volts, or Watts, but changing measurement units

will reset the EPM2000 to Normal Mode.

Press

to enter Average Mode. The LCD will display a countdown as the EPM2000 counts its

first batch, but thereafter will only display calculated means. The annunciator will blink while the

EPM2000 is in Average Mode. Press again to exit Average Mode.

STATISTICS MODE

Use Statistics Mode to measure statistical qualities of a predetermined number of samples. This

number, the Statistics Batch Size, can be 0 or any number from 2 to 9999. The EPM2000 can be

programmed to stop after taking a single batch (Manual Restart Mode), or continue sampling a new

statistical batch (Automatic Restart Mode).

Statistics Mode will function while measuring Joules, Volts, or Watts, but changing units during a

batch will reset the unit to Normal Mode.

A Statistics Batch Size of 0 sets the EPM2000 to continuously collect data, comparing values on the

fly and updating the Minimum and Maximum values. During this continuous collecting, the channel

does not collect or display the Arithmetical Mean or the Standard Deviation.

Press

to enter Statistics Mode. Use the or keys to sequence through the four statistical

values. LCD annunciators indicate which value is displayed,

for the Mathematical Mean (or

Average) of the batch, for the Minimum value, for the Maximum value, and for the

Standard Deviation. Press again to exit Statistics Mode.

Molectron EPM2000 User Manual

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