
Brookeld Engineering Labs., Inc. Page 79 Manual No. M13-167-B0614
2) TheViscosityStandardFluidis101.5cP.Itsaccuracyis:
+/-1%x101.5cP=+/-1.015cPorroughly+/-1.0cPforfurthercalculations.
3) Totalaccuracyisthesumofthevaluesn(1)and(2):
At6RPM,accuracyis:15.6cP+1.0cP=+/-16.6cP
At12RPM,accuracyis:7.8cP+1.0cP=+/-9.8cP
At30RPM,accuracyis:3.1cP=1.0cP=+/-4.1cP
4) Therefore,ateachspeed,theacceptablewindowswithinwhichthemeasured
viscosityvaluemustlieiscalculatedrelativetotheviscosityvalueofthestandard:
At6RPM:84.9cPto118.1cP
At12RPM:91.7cPto111.3cP
At30RPM:97.4cPto105.6cP
Ifyourmeasuredvaluesfalloutsideofthesewindows,contactBrookeldoryourauthorized
dealertodiscussyourresultsanddeterminewhetheryourinstrumentisoutofcalibration.
It's good information