Product Features; Description - AEMC Simple Logger II Series User Manual

Voltage and current data loggers
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2.1

Description

The Simple Logger
devices (model dependent) powered by an alkaline battery pack. Line
tracking is performed such that 64 samples over one line cycle are taken.
Frequency tracking is performed over the range of ±2Hz around the nominal
line frequency (50 or 60Hz). Harmonic measurements are calculated from
these 64 samples (Harmonics are only available from the Simple Logger
II Control Panel within the DataView
The Simple Logger
second. The measurement process is performed no more than eight times
per second. TRMS calculations are performed on 64 samples of a single
line cycle for AC measurements. This means that the input(s) are ignored
between measurement intervals. DC measurements are performed 8
times for each sample taken.
The main advantage of the logger is its ability to perform a variety of
recording tasks with easy and intuitive setup from a computer using
DataView
software.
®
Analog information on the input is sampled and converted to a digital
signal. This digital signal is processed and stored along with scale and
time information. An optically isolated Universal Serial Bus (USB) port
provides for the transfer of data from the instrument's internal memory to
the computer for analysis.
Simple Logger
II Series
®
CHAPTER 2

PRODUCT FEATURES

II Series includes one and two channel recording
®
II records TRMS at a rate of up to eight times per
®
software).
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7

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