NEN EN ISO 12156-1 : 2016
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
DIESEL FUEL - ASSESSMENT OF LUBRICITY USING THE HIGH-FREQUENCY RECIPROCATING RIG (HFRR) - PART 1: TEST METHOD
12-12-2018
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Preparation and calibration
7.1 Preparation of apparatus
7.2 Calibration and correction
8 Test procedure
9 Measurement of wear scar
10 Calculations
10.1 Uncorrected mean wear scar diameter (MWSD)
10.2 Initial absolute vapour pressure (AVP[1])
10.3 Final absolute vapour pressure (AVP[2])
10.4 Mean absolute vapour pressure (AVP)
10.5 Corrected wear scar diameter (WS1,4)
11 Test report
12 Precision
12.1 Repeatability, r
12.2 Reproducibility, R
Annex A (informative) Measurement of HFRR wear scars
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