Dwyer 250-AF - Manual

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