Electric instantaneous water heaters. Methods for measuring the Performance - General requirementsWhat is BS EN 501931 about? BS EN 50193 discusses electric instantaneous water heaters. BS EN 501931 is the first part of BS EN 50193 multi series. BS EN 501931 discusses methods for measuring the performance of electric instantaneous water heaters. BS EN 501931 specifies terms, definitions, and measurement methods for the assessment of energy efficiency. BS EN 501931 applies to electric instantaneous water heaters for domestic hot water heating for

The hourly calculation procedures can also be used as basis for calculations with more extensive system control options

) as long as the salinity is adjusted and/or dilution is limited so that the aforementioned salinity ranges are respected

and backing materials)

for use in drainage systems requiring a trap with a depth of water seal of at least 50 mm

dimensions and nomenclature of timekeeping instruments about

Who is ISO 5011 for

The method in PD CEN/TS 17200 applies to construction products and is validated for the product types listed in Annex B

Reinforced and prestressed floor plates with a nominal thickness of less than 40 mm

Graphical representations enhanced user interface and graphing system

see EN 3646-008 and EN 3646-009 respectively

ISO 9001 has been revised to reflect the many changes in the way we now do business – new technology

rods and wires