Ametek BROOKFIELD DVPlus Operating Instructions Manual page 58

Digital viscometer
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Where:
θ
S
cal
= Radial spring factor
= Spring windup angle
Where:
θ
cal
= Spring windup angle
cal
v
= Calibration speed
cal
t
= Calibration time (time for 0% to 100% spring windup)
Where:
cal
v
= Calibration time (time for 0% to 100% spring wind up during calibration)
bi
= Base increment
cal
b
= Base increment calibration torque
v
= Speed
cal
v
= Calibration speed (fixed at 0.1 rpm)
M21-400 REV.1.1
(rad/%torque)
(revolutions)
D V P L U S D I G I TA L V I S C O M E T E R - O P E R AT I O N A L M A N U A L
(revolutions)
(fixed at 0.1 rpm) (rpm)
(milliseconds)
(milliseconds)
(milliseconds)
(%torque/base increment)
(rpm)
(rpm)
58

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