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Overview ISO 4269:2001 specifies an incremental tank calibration method using volumetric meters for petroleum and liquid petroleum products. The method calibrates tank capacity by adding successive b…
Overview EN ISO 4264:2018 specifies a standardized procedure to calculate the cetane index of middle-distillate fuels using the four-variable equation. The cetane index is a calculated estimate of di…
Overview EN ISO 4263-3:2015 specifies an anhydrous TOST test method to determine the ageing (oxidation) behaviour of synthetic hydraulic fluids. It targets fluids of categories HFDU, HEES, HEPG and H…
Overview EN ISO 4263-4:2006 - “Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids - TOST test - Part 4: Procedure for industrial gear oils” (CEN/ISO)…
Overview EN ISO 4263-1:2004 / ISO 4263-1:2003 defines the TOST (Thin‑Film Oxygen‑Supply Test) procedure for assessing the ageing behaviour and oxidation stability of rust- and oxidation-inhibited min…
Overview EN ISO 4263-2:2003 - Petroleum and related products: Determination of the ageing behaviour of inhibited oils and fluids - TOST test, Part 2: Procedure for category HFC hydraulic fluids - is…
Overview EN ISO 4267-2:1995 (ISO 4267-2:1988) - Petroleum and liquid petroleum products: Calculation of oil quantities - Part 2: Dynamic measurement is a CEN-adopted International Standard for the vo…
1 Scope This part of ISO 4266 gives guidance on the selection, accuracy, installation, commissioning, calibration and verification of automatic tank thermometers ( ATTs ) in fiscal/custody transfer a…
1 Scope This part of ISO 4266 gives guidance on the accuracy, installation, commissioning, calibration and verification of automatic level gauges ( ALGs ) both intrusive and non-intrusive, for measur…
1 Scope This part of ISO 4266 gives guidance on the accuracy, installation, calibration and verification of automatic level gauges ( ALGs ), both intrusive and non-intrusive, for measuring the level…
1 Scope This part of ISO 4266 gives guidance on the accuracy, installation, commissioning, calibration and verification of automatic level gauges ( ALGs ), of both intrusive and non-intrusive types,…
Overview ISO 4266-6:2002 provides guidance for the selection, accuracy, installation, commissioning, calibration and verification of automatic tank thermometers (ATTs) used to measure the temperature…
Overview ISO 4266-3:2024 - Petroleum and liquid petroleum products: Measurement of level and temperature in storage tanks by automatic methods - Part 3 covers requirements and guidance for measuring…
Overview ISO 4263-2:2003 specifies the TOST (Thin‑Oil Oxidation Stability Test) procedure for assessing the accelerated ageing behaviour of category HFC hydraulic fluids (as defined in ISO 6743‑4 and…
Overview ISO 4264:2018 - Petroleum products - Calculation of cetane index of middle‑distillate fuels by the four‑variable equation - specifies a laboratory calculation method to estimate the cetane i…
Overview ISO 4266-3:2002 - Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 3: Measurement of level in pressurized storage t…
Overview ISO 4266-5:2024 - part of the ISO 4266 series - specifies requirements and guidance for the use of automatic tank thermometers (ATTs) to measure temperature of petroleum and liquid petroleum…
Overview ISO 4262:1993 specifies the Ramsbottom method for determining carbon residue in petroleum products. The procedure measures the carbonaceous (coke) residue left after evaporation and pyrolysi…
Overview - ISO 4266-5:2002 (automatic tank thermometers for marine vessels) ISO 4266-5:2002 provides guidance for the selection, accuracy, installation, commissioning, calibration and verification of…
Overview ISO 4263-1:2003 specifies the TOST test (Turbine Oil Stability Test) procedure for mineral oils to determine the ageing behaviour of rust- and oxidation‑inhibited oils and fluids. The standa…
Overview ISO 4266-1:2023 - "Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 1: Measurement of level in atmospheric tanks" p…
Overview ISO 4266-2:2023 - "Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 2: Measurement of level in marine vessels" prov…
Overview ISO 4268:2000 - Petroleum and liquid petroleum products: Temperature measurements - Manual methods provides internationally agreed manual procedures, equipment guidance and safety precaution…
Overview - ISO 4263-3:2015 (TOST test, anhydrous) ISO 4263-3:2015 defines an anhydrous TOST test method to determine the ageing behaviour (oxidation stability) of synthetic hydraulic fluids - specifi…
Overview ISO 4266-6:2024 - "Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 6" provides guidance for the measurement of tem…
Overview ISO 4267-2:1988 - "Petroleum and liquid petroleum products - Calculation of oil quantities - Part 2: Dynamic measurement" standardizes the terminology, equations and calculation procedures u…
Overview ISO 4266-4:2023 specifies requirements and guidance for the measurement of temperature in atmospheric storage tanks containing petroleum and liquid petroleum products (Reid vapour pressure <…