Data Sheet for Product
Page 2 of 4
Siemens Building Technologies, Inc.
Features
• Through-the-wall face velocity monitoring for
constant volume fume hoods
• Digital display of face velocity in FPM or m/s
• APOGEE FLN communications which transmit
FHM status information or receive commands
from the workstation PC
• Occupied/unoccupied operating modes via local
switch and networked command
• Fume Hood Status LED’s for normal and alarm
conditions
• User defined alarm limits
• Emergency pushbutton
• User definable auxiliary pushbuttons (network
connection)
• Local alarm horn with silence switch tamper proof
setup functions
• Digital output for remote alarms
• User definable digital input (e.g., sash height alert)
• Automatic return from power failure
• Set-up parameters defined and modified using the
Portable Operators Terminal (Laptop)
Description
The Fume Hood Monitor consists of the following:
• An integral thermistor sensor which monitors face
velocity
• A Liquid Crystal Display (LCD) which displays face
velocity and operating messages for certain
conditions (e.g., low face velocity, high face
velocity, general failure, user alarm, OFF)
• 2 LED status lights: green indicating normal
operation, red indicating alarm condition or OFF
• Audible alarm buzzer
• Wiring terminators for input, FLN communications,
digital input and digital output points
• All required tubing and mounting hardware plus
installation, startup and calibration instructions
• Laptop connection for calibration
• 2 auxiliary buttons (host use)