Checking Input Range - Dranetz HDPQ Xplorer User Manual

Checking Input Range

Checking Input Range
From Scope mode, press Check Range. The input range window pops up showing the
Input range
status of the voltage and current input channels, whether under range, normal, or over
range. For Current, under range is reported below 0.4% of full scale and over range is
reported above 200% of full scale. For Voltage, under range is reported below 1% of
full scale and over range is reported above 99% of full scale.
Input Range shows the detected range for all channels. The number after the status
shows the percentage of the input of the instrument's full range.
The input range can only be viewed, not changed. Press OK when done viewing the
input range.
The following table describes the messages that may register on the Input Range
Input range
description
screen. The instrument is able to detect the input range for voltage and current channels
A, B, C, and D.
If input range is OVER, UNDER, or CLIP, then the rms readings will not be accurate.
Using CTs below 10% of Full Scale may also cause inaccuracies in amplitude, phase
and harmonic distortion readings.
3-18
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Input Range
OK
OVER
UNDER
N/A
CLIP
DataLoggerStore
www.
HDPQ-316
Description
Within Range
Over Range
Under Range
Channel Disabled
Clipping
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