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Page Title:
Table 7. Pressure Gage Check -5 to 30 psi |
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  TB 9-4220-215-35
Table 6. Depth Gage Check 0-460 fsw - Continued
Pneumatic pressure standard
indications
(psi)
Test instrument
Equivalent
Tolerance
indications
pressure
±1%
(fsw)
(psi)
Min
Max
1
230
102.212
100.168
104.256
250
111.100
109.056
113.144
280
124.432
122.388
126.476
300
133.320
131.276
135.364
320
142.208
140.164
144.252
350
155.540
153.496
157.584
380
168.872
166.828
170.916
400
177.760
175.716
179.804
420
186.648
184.604
188.692
450
199.980
197.936
202.024
460
204.424
202.380
206.468
1One
fsw equals 0.4444 psi.
9. Pressure Gage -5 to 30 psi
a. Performance Check. Operate pneumatic pressure controller for TI indication
listed in table 7. The pneumatic pressure standard will indicate within the limits specified.
b. Adjustments. No adjustments can be made.
Table 7. Pressure Gage Check -5 to 30 psi
Test instrument
Pneumatic pressure standard indications (psi)
indications
±1%
±2%
(psi)
Min
Max
Min
Max
1
.99
1.01
.98
1.02
5
4.95
5.05
4.9
5.1
10
9.9
10.1
9.8
10.2
15
14.8
15.2
14.7
15.3
20
19.8
20.2
19.6
20.4
25
24.7
25.3
24.5
25.5
30
29.7
30.3
29.4
30.6
10. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
8
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