Dwyer Instruments 250-AF Series Installation And Operating Instructions

13/16
[20.64]
Model
250 - AF
250.5 - AF
251 - AF
252 - AF
350 - AF
209 - AF
260 - AF
DWYER INSTRUMENTS, INC.
1.800.561.8187
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
Series 250-AF Inclined Manometer Air Filter Gages
Installation and Operating Instructions
AIR FLOW
1-5/16
[33.34]
Scale
Range Inches of
Divisions
Water (Pa) Inches (cm)
.10 - 0 - 1.0 .02
(24.82 - 248.9) (.05)
.10 - 0 - 1.0 .01
A
(24.82 - 248.9) (.025)
.05 - 0 - .50 .01
(12.41 - 124.1) (.025)
.20 - 0 - 2.0 .02
(49.64 - 487.8) (.05)
0 - 4 .10
(0 - 995.6) (.254)
.20 - 0 - 3.0 .02
(49.64 - 746.7) (.05)
0 - 1.5 .02
(0 - 372.9) (.05)
www.
A
Note: The drawing above shows standard connection at left and three-way
vent valve at right. If the optional vent valves are preferred, please note
that two are required.
E
Scale Dimensions – Inches (Centimeters)
Length
Inches (cm) A B
2-13/16 8-1/2
5-1/2
(13.97) (7.14) (21.59)
3-1/8 11-3/6
8
(20.32) (7.94) (28.89)
2-15/16 8-1/4
5-1/2
(13.97) (7.46) (20.96)
2-13/16 11-1/6
8
(20.32) (7.14) (28.26)
4-1/2
Vertical Manometer – Dimensions Not Shown
(11.43)
8 2-3/4 11-1/4
(20.32) (6.99) (28.58)
5-1/2 2-13/16 8-3/8
(13.97) (7.14) (21.27)
Phone: 219/879-8000
Fax: 219/872-9057
.com
D
B
2
[50.80]
4
[101.60]
C D E
4-1/8 1-1/2 7-3/4
(10.48) (3.81) (19.69)
3-15/16 1-1/2 10-5/8
(10.00) (3.81) (26.99)
3-5/16 1-1/2 7-1/2
(8.41) (3.81) (19.05)
5-1/2 2 10-3/8
(13.97) (5.08) (26.35)
7 2 10-1/2
(17.78) (5.08) (26.67)
4-15/16 2 7-5/6
(12.54) (5.08) (19.37)
www.dwyer-inst.com
information@itm.com
e-mail: info@dwyer-inst.com
Bulletin C-11
C