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DIN EN 50725 VDE 0400-91:2025-12

Specification for portable electrical apparatus designed to measure draught and gas pressure of heating appliances and systems;

German version EN 50725:2025
Class/Status: Standard, valid
Released: 2025-12
VDE Art. No.: 0400741

Note: You can pre-order this document (delivery subject to availability). Valid from 2025-12-01.

This document specifies the requirements and test methods concerning, in particular the construction, safety, and fitness for purpose, as well as the capability and marking of a hand-held battery powered pressure and leakage measurement instrument, hereafter referred to as “pressure meters”, for gas pipework in buildings, gas pipes of appliances and draught in chimneys.