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Standard Performance Requirements and Test Methods for High-Vacuum Ionization Pressure Measurement Introduction to Hot Cathode Ionization Gauge Standards ISO 27894:2009 specifies performance requirements, test methods, and calibration procedures for hot cathode ionization gauges used to measure pressures in the high…
Standard Methods for Evaluating Seal Integrity and Leak Rates of Valves in Vacuum Systems Introduction to Vacuum Valve Leak Testing ISO 27895:2009 specifies methods for leak testing of vacuum valves used in high and ultra-high vacuum systems. Valve leakage is…
Definition and Calibration of Lateral Resolution for Near-Field Optical Microscopes (SNOM/NSOM) Introduction to Lateral Resolution in Near-Field Optical Microscopy ISO 27911:2011 defines the methodology for determining and calibrating the lateral resolution of scanning near-field optical microscopes (SNOM/NSOM). Unlike conventional far-field…
Specifications and Test Methods for Electrical, Electronic, and Engineering Applications Overview of Gold Coating Standards ISO 27874:2008 specifies requirements and test methods for electrodeposited gold and gold alloy coatings for electrical, electronic, and engineering purposes. Gold coatings are essential for…
Methodologies for Assessing and Mitigating Risks from Uncontrolled and Controlled Re-Entry Events Introduction to Re-entry Risk Management ISO 27875:2019 establishes a framework for managing risks associated with the re-entry of unmanned spacecraft and launch vehicle orbital stages. The standard addresses…
Standard Methods for Accurate Calibration of Condensation Particle Counters Introduction to CPC Calibration ISO 27891:2015 establishes standardized procedures for calibrating condensation particle counters (CPCs) used to measure aerosol particle number concentration. CPCs are fundamental instruments in aerosol science, capable of…
Standardized Test Methods for Evaluating Emergency Stop Torque in High-Vacuum Pump Systems Overview of Rapid Shutdown Torque Measurement ISO 27892:2010 specifies the method for measuring the rapid shutdown torque of turbomolecular pumps — a critical safety parameter that determines mechanical…
Standard processes for cleaning non-ferrous metal surfaces prior to coating, including aluminium, copper, titanium, and magnesium alloys Introduction to ISO 27831-2 ISO 27831-2:2008 specifies cleaning and preparation processes for non-ferrous metals and alloys, including aluminium, copper, nickel, titanium, magnesium, zinc,…
Test Procedures and Performance Requirements for Agricultural and Forestry Machinery Safety Introduction to ISO 27850 and FOPS Requirements ISO 27850:2013 specifies test procedures and performance requirements for Falling Object Protective Structures (FOPS) mounted on tractors for agriculture and forestry. This…
Methodologies for Predicting Spacecraft Orbital Decay and Re-Entry Timeline Overview of Orbit Lifetime Estimation ISO 27852:2024 provides standardized methodologies for estimating the orbital lifetime of spacecraft and debris objects in low Earth orbit (LEO). Accurate orbit lifetime prediction is essential…