Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency meters (Endorsed by Asociación Española de Normalización in June of 2021.)
Edition 2021-06-01

Measurement of water flow in open channels, Part 5.3: Guidelines for the application of acoustic velocity meters using the Doppler and echo correlation methods (ISO 15769:2010, IDT)
Edition 2022

Meters for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
Edition 2024-05-31

Flickermeter - Part 0: Evaluation of flicker severity
Edition 1993-09

Electricity metering equipment - General requirements, tests and test conditions - Part 41: Energy registration methods and requirements for multi-energy and multi-rate meters (Endorsed by Asociación Española de Normalización in January of 2023.)
Edition 2023-01-01

Radiation protection instrumentation - Alpha, beta and alpha/beta (beta energy > 60 keV) contamination meters and monitors
Edition 2005-11-30

Communication systems for meters - Part 5: Wireless M-Bus relaying
Edition 2016-04-06

Communication systems for meters - Part 4: Wireless M-Bus communication
Edition 2021-01-27

Indicating micrometers
Edition 1981-03-31

Depth micrometers
Edition 1994-08-31