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...10 PROGRAMMING
10.3.4 Electrical Calibration Page
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ELECTRICAL CAL
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Calibrate
No
YES
xxx.x
mV Zero (-250mV)
xxx.x
mV Span (10mV)
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Adjust RTX Zero
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Adjust RTX Span
32
Caution. Before using this calibration menu apply a mV source to the signal
input. Failure to do so will result in changes to the stored settings.
Page header –
ELECTRICAL CAL
Note. The 4600 Series instruments incorporate a two point calibration
sequence requiring both zero and span inputs for a calibration. It is not possible to
adjust either the range zero or the range span scale points independently.
The instrument is fully calibrated before despatch and should not normally require
further calibration.
Select Calibration
Select the calibration requirement using the scroll up or scroll down keys.
Calibrate No (default) skips to Adjust RTX Zero frame.
Calibrate Yes enables zero and span calibrations to be carried out.
Advance to next parameter.
NO
Calibration Range Zero
Apply a signal input equivalent to range zero (-250.00mV). Allow the instrument display
to stabilize.
Advance to next parameter.
Calibration Range Span
Apply a signal input equivalent to range span (+10.000mV). Allow the instrument display
to stabilize.
Advance to next parameter
Adjust Retransmission Zero
Adjust the retransmission zero (4.00mA) to the correct value. The retransmission zero
signal will be either 85% or 80% H
Allow the output signal to stabilize.
Advance to next parameter
Adjust Retransmission Span
Adjust the retransmission span(20.00mA) to the correct value. The retransmission zero
signal will correspond to 100% H
Allow the output signal to stabilize.
Return to
Operating Page
in Air as selected in
2
in Air.
2
.
page.
Set Up Outputs
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