Model 27

Model 40-AV Shown with standard swing-out stand and leveling screw installed.

POPULAR MODELS

Model Number	Description
MARK II 27	Molded plastic air velocity meter, range 0-7,000 FPM.
MARK II 28	Molded plastic air velocity meter, range 0-10,500 FPM.
MARK II 40-1-AV	Molded plastic air velocity meter, range 0-1.1" w.c. and 0-4,200 FPM.
MARK II 41-2-AV	Molded plastic air velocity meter, range 0-2.5" w.c. and 0-6,300 FPM.
MARK II 40-250PA-AV	Molded plastic air velocity meter, range 0-260 Pa and 0-21 MPS.

NOTE: Pitot tube not included with models above.

ACCESSORIES

Model Number	Description
A-612	Portable stand.