Mini-rotary viscometer
id:
mini-rotary-viscometer-306-2914826
title:
Mini-rotary viscometer
text:
The mini-rotary viscometer is a device used to measure the pumpability of an engine oil at low temperatures. Engine oils must meet viscometric standards including those determined by the MRV in order to be classifiable within SAE J300 viscosity grades. The requirement was added after the winters of 1980-81 and 1981-82 caused major pumpability field problems in the US and Europe. Different MRV test procedure exist; for example ASTM D4684, required for SAE J300, involves heating the oil to remove
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Mini-rotary_viscometer
date created:
date modified:
2022-07-04T20:26:53Z
main entity:
{"identifier":"Q55623205","url":"https://www.wikidata.org/entity/Q55623205"}
image:
fields total:
13
integrity:
13