Brookfield YR-1 Rheometer - Manual (Page 51)

Brookfield Engineering Labs., Inc. Page 51 Manual No. M02-215-B0412
where:
θ
cal
= Spring windup angle (revolutions)
V
cal
= Calibration speed (fixed at 0.1 rpm) (rpm)
t
cal
= Calibration time (milliseconds)
(time for 0% to 100% spring wind up)
t
cal
=
bi x V x 100
b
cal
V
cal
where:
t
cal
= Calibration time (milliseconds)
(time for 0% to 100% spring windup
during calibration)
bi = Base increment (milliseconds)
b
cal
= base increment calibration torque (%torque/base increment)
V = Speed (rpm)
V
ca l
= Calibration speed (rpm)
(fixed at 0.1 rpm)