DIN 19294-3:2020-08
使用紫外线辐射对水进行消毒的设备 第3部分:配备紫外线低压灯的设备的参考辐射计 要求和测试
Devices for the disinfection of water using ultraviolet radiation - Part 3: Reference radiometers for devices equipped with UV low pressure lamps - Requirements and testing / Note: This standard is part of the DVGW body of rules.