What is this standard about?
This is the second part of a two part standard on dental units. It specifies requirements and test methods for dental unit components which convey air, water, suction and wastewater. The first part of the standard is:
- Part 1: General requirements and test methods
Who is this standard for?
- Dental unit manufacturers, suppliers, installers and users
- Regulatory bodies
Why should you use this standard?
This part of ISO 7494 specifies requirements and test methods concerning:
- The configuration of dental unit connections to the compressed air supply, water supply, suction supply and wastewater drain plumbing
- The materials, design and construction of the compressed air and water system within the dental unit
- The quality for incoming water and air
- The performance of the dental unit suction system
It also specifies requirements for instructions for use and technical description.
NOTE: This part of BS EN ISO 7494 is limited to dental units that are not used for life support treatment of ambulatory patients or for oral surgery treatment requiring sterile air and water supplies. Amalgam separators are not included in this international standard.
What’s changed since the last update?
This standard replaces both BS EN ISO 11144:1997 and BS EN ISO 7494-2:2003 which are withdrawn. It is a technical revision, which also replaces certain requirements specific to dental units given in BS EN ISO 10637. In addition, it consolidates and updates requirements formerly specified in:
- BS EN ISO 10637:1999, Dental equipment – High- and medium-volume suction systems
- BS EN ISO 11144:1997, Dental equipment – Connections for supply and waste lines