Hello Forum,
I have a dataset that may have been collected with an incorrect multiplier and offset. The error occured when we changed the program from a CR23X to a CR1000. Is there a document that explains how to remove the incorrect multiplier and offset and apply the correct multipler offset? The program snippets are posted below. Thanks in advance for this guidance.
Original multipler and offset:
;MEASURE SNOW PILLOW
6: Full Bridge (P6)
1: 1 Reps
2: 3 25 mV Slow Range
3: 4 DIFF Channel
4: 3 Excite all reps w/Exchan 3
5: 2500 mV Excitation
6: 6 Loc [ SWE ]
7: 7.0309 Multiplier
8: -7.28 Offset
Incorrect multipler and offset:
'MEASURE SNOW PILLOW
BrFull (SWE,1,mV25,4,Vx3,1,1524,True,True,0,_60Hz,718.76, 0)
I think I can divide the current values by the current mulitplier and then multiply the previous multiplier and add the offset. I'd like to verify this.
Thanks again
Hi,
both instructions return the ratio x 1000, between the supply voltage and the output voltage of the cell.
So it looks like you can use the same mult and offset factors.
I advise you to power with 2500 mV instead of 1524, to have a more decisive output from cell.
Smile