Load cell calibration form

19nov17

DATE____________	12-1 260310	12-2 90409	4-1 90410	4-2 260311	8-1 260312	8-2 253850
excitation voltage(volts)
mv/Vexc/80kip avg of up,dwn	1.0036	1.0413	1.0119	1.0483	0.9753	1.03595
cal load kips	79.6657	77.9328	80.5632	77.2045	82.1452	77.44984
ON-OFF volts expected	2.431	2.378	2.459	2.356	2.507	2.364
ON-OFF cnts expected	3983	3896	4029	3860	4107	3872
cal ON volts
cal OFF volts
ON-OFF volts
cal ON counts
cal OFF counts
ON-OFF counts
% err Volts
% err counts

NOTES:

Arrange gain of amp to give 50 cnts/kip (.02 kips/cnt)
50*2.5/4096 = .030518 volts/kip (4096 over 2.5 volts)
so Calon-calOff=calLoadKips* .030518

BEFORE CHANGES__________________ AFTER CHANGES___________________ INITIALS ______________________
location: http://www.naic.edu/~phil/td/ldcell_calibration_form.html

History:

171119: added load cells 260310,260311,260312
20aug10: td12-1 no 147697

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