Ametek BROOKFIELD DVPlus

M21-400 REV.1.1 DVPLUS DIGITAL VISCOMETER - OPERATIONAL MANUAL
Where:
S = Radial spring factor (rad/%torque)
θcal = Spring windup angle (revolutions)
Where:
θcal = Spring windup angle (revolutions)
vcal = Calibration speed (fixed at 0.1 rpm) (rpm)
tcal = Calibration time (time for 0% to 100% spring windup) (milliseconds)
Where:
vcal = Calibration time (time for 0% to 100% spring wind up during calibration) (milliseconds)
bi = Base increment (milliseconds)
bcal = Base increment calibration torque (%torque/base increment)
v = Speed (rpm)
vcal = Calibration speed (fixed at 0.1 rpm) (rpm)