The British Standard – BS7860
The standard will be superseded by the European Standard in April 2006
This standard was implemented in 1996. Products officially approved to this standard must display the Kitemark symbol on the product (perhaps add picture of Kitemark to web page). This standard will be fully replaced by the latest European standard in April 2006, after which time BS7860 will become invalid. Up until this time both standards are considered as valid.
Main alarm requirements : (ppm = parts per million)
- at 45ppm CO, the alarm must not activate for at least 60 minutes
- at 150ppm CO, the alarm must not activate before 10 minutes but must
activate before 30 minutes
- at 350ppm CO, the alarm must activate within 6 minutes