• Alnor AirGard Fume Monitor 335-D

Alnor AirGard Fume Monitor 335-D

This item has been discontinued. Contact FLW for replacement options.

Are you buying in volume? Are you an OEM? Are you a reseller? Be sure to contact FLW directly for your special pricing.  
Shipping Weight:
2.00 LBS


The Alnor® AirGard® Lab Hood Monitor Model 335-D surpasses the protection offered by go/no-go monitors like the 200 & 405 models. It features prominent LEDs to indicate hood status, a digital display of the actual measured face velocity and the ability to warn of unsafe high face velocities, increasing user confidence in lab hoods.

Features and Benefits
  • Color analog LCD display to indicate face velocity
  • May also be configured to display face velocity digitally
  • Display and alarm range is 50-250 fpm (0.25-1.27 m/s)
  • Jumbo red LED and audible alarm (85 dB @ 4" [10 cm])

Product Specifications

Display range:50-250 fpm (0.25-1.27 m/s)
Alarm range:50-250 fpm (0.25-1.27 m/s)
Field set-up:2 point velocity set-up
Alarm set points:low and high
Repeatability of alarm set points:±10% of reading or 10 fpm (0.05 m/s), whichever is greater
Alarm delays:User configurable through menu
Relay output:2
Remote alarm acknowledge:Yes
Units:Selectable (English & Metric)
Display-visual:Analog bar graph, jumbo LEDs
Red zone: alarm
Yellow zone: marginal
Green zone: normal
(Digital LCD can be enabled)
Alarm indications:Jumbo red LED and audible alarm (85 dB @ 4" [10cm])
High flow alarm disable:Yes
Emergency purge:Yes
Horn silence:Temporary and permanent