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NSF/ANSI 49
Class II (Laminar Flow) Biosafety Cabinetry

Cabinet Style
A = Bench Unit With Base or Adjustable Legs Provided
B = Bench Unit Without Base or Adjustable Legs Provided
C = Console		 Window Type
H = Hinged
S = Sliding
F = Fixed		 Bench Height
NA = Not Applicable
NP = Not Provided

CBV = Concurrent Balance Value

Due to a change in nomenclature in NSF/ANSI 49 - 2002 “Class II (Laminar Flow) Biosafety Cabinetry,” Class II, Type A cabinets are now referred to as Class II, Type A1 and Class II, Types B3 and A/B3 cabinets as Class II, Type A2. Class II, Types B1 and B2 cabinets remain unchanged.

Biosafety cabinet models Listed under NSF/ANSI 49 are approved for use with a power supply of 115V/60Hz, unless otherwise noted. If biosafety cabinets have been approved for use with additional power supplies, the power supply will be indicated in the Official Listing.


 
iGene Labserve Private Limited 
16/2, Ashok Nagar
New Delhi 
110018 
India 
91 11 79613060
Facility : Shandong, China

Model
Number		 Cabinet
Type/Style		 Inflow
Velocity
(fpm)		 Downflow
Velocity
(fpm)		 CBV (cfm)
at Static
Pressure
(in w.g.)		 Cabinet
Width
ft.		 Window
Ht/Type
in.		 Bench
Ht
Max
in.		 Acceptable
Options
 
IG-CIIA222G[1] [5] A2 A 100 - 110 60 - 70 N/A 2 10S 28 U.V. Light
Canopy Connection
IG-CIIA222N[1] [5] A2 A 100 - 110 60 - 70 N/A 2 10S 28 U.V. Light
Canopy Connection
IG-CIIA242G[2] [5] A2 A 100 - 110 60 - 70 N/A 4 10S 27 U.V. Light
Canopy Connection
I.V. Pole
IG-CIIA242N[2] [5] A2 A 100 - 110 60 - 70 N/A 4 10S 27 U.V. Light
Canopy Connection
I.V. Pole
IG-CIIB242G[3] [5] B2 A 100 - 110 60 - 70 949 @ 2.1 4 8S 27 U.V. Light
I.V. Pole
IG-CIIB242N[3] [5] B2 A 100 - 110 60 - 70 949 @ 2.1 4 8S 27 U.V. Light
I.V. Pole
IG-CIIA262G[4] [5] A2 A 100 - 110 60 - 70 N/A 6 10S 27 U.V. Light
Canopy Connection
I.V. Pole
IG-CIIA262N[4] [5] A2 A 100 - 110 60 - 70 N/A 6 10S 27 U.V. Light
Canopy Connection
I.V. Pole		 

[1] Inflow nominal set point of 105 fpm was established with a direct airflow reading
    instrument.  This nominal set point was confirmed using the manufacturer's recommended
    alternate method with thermal anemometer in a constricted (3 inch high) access opening
    (consult manufacturer's operator's manual for appropriate correction factor) without
    adjusting cabinet airflow balance. Downflow nominal set point of 65 fpm was established
    with I.V. Pole and U.V. Light removed.  This cabinet model was Certified to NSF/ANSI
    49-2020. Certified canopy connection model is 2FT-CC.
[2] Inflow nominal set-point of 105 fpm was established with a direct airflow reading
    instrument. A corresponding inflow nominal set-point of 105 fpm (corrected to local	air
    density) was confirmed using manufacturer's recommended alternate method with thermal
    anemometer in a constricted (3 inch high) access opening and applying appropriate
    correction factor without adjusting cabinet airflow balance. The downflow nominal
    set-point of 65 fpm was established 4 inches above the bottom of the sash with the I.V.
    Pole and U.V. Light removed. This cabinet model was Certified to NSF/ANSI 49-2014.
    Certified canopy connection model is 4FT-CC.
[3] Inflow nominal set point of 105 fpm was established with a direct airflow reading
    instrument.  This nominal set point was	confirmed using the manufacturer's recommended
    alternate method with thermal anemometer in a constricted (3 inch high) access opening
    (consult manufacturer's operator's manual for appropriate correction factor) without
    adjusting cabinet airflow balance. Downflow nominal set point of 65 fpm was established
    with I.V. Pole and U.V. Light removed.  This cabinet model was Certified to NSF/ANSI
    49-2016. 
[4] Inflow nominal set-point of 105 fpm was established with a direct airflow reading
    instrument.  A corresponding inflow nominal set-point of 105 fpm (corrected to local air
    density) was confirmed using manufacturer's recommended alternate method with thermal
    anemometer in a constricted (3 inch high) access opening and applying appropriate
    correction factor without adjusting cabinet airflow balance.  The downflow nominal
    set-point of 65 fpm was established 4 inches above the bottom of the sash with the I.V.
    Pole and U.V. Light removed.  This cabinet model was Certified to NSF/ANSI 49-2014.
    Certified canopy connection model is 6FT-CC.
[5] Certified for use with power supplies of 115V/60/Hz, 230V/50Hz and 230V/60Hz.

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