Combustible, toxic, and oxygen gas detectors as well as respiratory airline systems. Instruments feature auto-calibration and data logging for downloading to a PC.

• See also:
• Masterformat 2004
• 28 10 00 - ELECTRONIC ACCESS CONTROL AND INTRUSION DETECTION
• 28 13 00 - Access Control
• 28 13 53 - Security Access Detection
• 28 16 00 - Intrusion Detection
• 28 20 00 - ELECTRONIC SURVEILLANCE
• 28 23 00 - Video Surveillance
• Masterformat 1995
• 13700 - Security Access & Surveillance