Operating Instructions

Siemens Building Technologies, Inc. 2-1
2
External Hardware Components
Chapter 2 describes the external Fume Hood Monitor hardware. Chapter 2 discussed the
following topics:
• Fume Hood Monitor
• External Components
− LCD Text Strings
− LED status
− Button functions
• Portable Operator’s Terminal port
• Airflow sensor input
The Fume Hood Monitor
The
Fume Hood Monitor (FHM)
is a Siemens Building Technologies, Inc. Laboratory Control
product. The FHM provides visual and audible alarms to alert a fume hood user of airflow
conditions. The FHM can be mounted on fume hoods with or without existing cutouts.
External Components
Refer to Figure 2-1. The external components of the FHM include:
• Liquid Crystal Display(LCD)
• Light Emitting Diodes (LEDs)(2)
• Buttons (4)
• Portable Operator’s Terminal port
• Airflow sensor input