User Manual
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Procedure for calibration of RTD Measure
To enter into the RTD Measure Calibration, Select the
RTD
option in
Calibration page and MEASURE RTD option in CAL. RTD page.
All RTD input are divided into 4 groups.
For Better Calibration Accuracy group 1 & 4 are divided into two sub
ranges. So for those groups, Calibration of both sub ranges need to
done. The Sub Ranges of each input type is given in the below table.
RTD MEASURE
Group
Sub
Range
Recommended
Zero
Recommended
Span
1
0 to 400 Ohms
1
5.00 Ohms
190.00Ohms
2
210.00 Ohms
390.00 Ohms
2
0 to 800 Ohms
1
380.00 Ohms
790.00 Ohms
3
0 to 1600 Ohms
1
780.00 Ohms
1590.00 Ohms
4
0 to 4000 Ohms
1
1100.00 Ohms
2400.0Ohms
2
2600.0 Ohms
3900.0 Ohms
Note:
It is not compulsory to calibrate at recommended points. User can
calibrate at any points within specified Sub Range. The Sub Range is
shown on the screen. But make sure to calibrate Zero &Span in the
same sub range. Make sure unit is in
4-wire mode
during RTD
Measure Mode.
