03/27/2025
BIOLOGICAL SAFETY CABINET LABORATORY FUME HOOD CLASS II, A2 LABCONCO LATE MODEL
$3,900
For your consideration we have a fully functioning and well taken care of Laboratory Fume Hood for sale; complete. The chamber is made of 304 stainless steel and it is a 4 foot late model with user friendly features. All maintenance was logged and it was serviced and certified according to the PM schedule.
4 FOOT CLASS II, TYPE A2 BIOSAFETY CABINET:
THE NOMINAL INFLOW IS 105 FPM, DOWNFLOW IS 55 FPM.
THE DOWNFLOW GRID PERIMETER IS 6 IN. FROM SIDES, SASH AND REAR WALL.
FOR ALL MODELS, POINTS ARE 5.21 INCHES APART, FROM SIDE TO SIDE, FOR A DOWNFLOW TEST GRID OF 3 ROWS WITH 8 POINTS PER ROW.
SECONDARY INFLOW METHODOLOGY
THIS METHOD REQUIRES THE USE OF PROBE HOLDER #3836405.
LOWER THE SASH UNTIL THE DISTANCE FROM THE SASH BOTTOM TO THE TOP OF THE SASH STOP IS 3.70 INCHES.
ADJUST THE PROBE IN THE HOLDER UNTIL THE CENTER OF THE ANEMOMETER SENSOR IS 3.25 INCHES FROM THE BOTTOM OF THE HOLDER.
ON THE SINGLE ROW OF GRILLE HOLES, FROM EACH SIDE, MARK THE 6TH, AND THEN EVERY 9TH HOLE, YIELDING 4 POINTS ON EACH SIDE, OR A TOTAL OF 8.
TAKE INFLOW VELOCITIES AT EACH POINT, AVERAGE, AND CORRECT FOR LOCAL CONDITIONS. THIS NUMBER IN FPM EQUALS THE INFLOW VOLUME IN CFM.
FOR HEPA FILTER TESTING, INTRODUCE THE TEST AEROSOL INTO THE REAR
LISTED UNDER
We will ship this hood assembled on a 48” long pallet with cushioning along with the stand disassembled, banded and shrink wrapped to it. Please send us your zip code for a calculated freight quote. We will load this out free of charge.
Package deal available with other 4’ fume hoods onsite. For even bigger savings contact us directly!