APPENDIX
TEST INSTRUMENT IDENTIFICATION
Range
Manufacturer model
Accuracy
Tolerance
Pressure
check tables
psi/fsw
(part number)
(% of FS)
(psi)
-5.5 psi
Dwyer Instruments
11
.052
7
0-1
psi
Dwyer Instruments
11
.012
7
0-15 psi
Dwyer Instruments
11
.152
7
0-30 psi
Wika
21
.62
7
0-230 fsw
Roylyn 3-D Instruments (25645-23B31)
.25
.256
2
0-230 fsw
Roylyn 3-D Instruments (25545-23B41)
.25
.256
2
0-230
Roylyn 3-D Instruments (25546-23B31)
.25
.256
2
fsw
0-230 fsw
Weskler (G48NH1)
.5
.5110
2
0-230 fsw
Weskler (G-5-81-3)
.5
.5110
2
0-230 fsw
Roylyn 3-D Instruments (25546-23C31)
1
1.022
2
0-230 fsw
Trident Systems
1
1.022
2
0-250 fsw
Diving Systems International (211FTM73W01)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25646-23N21)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25545-23B11)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25545-23B12)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25545-23C41)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25545-23B21)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25546-23B11)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25546-23B21)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25547-23B21)
1
1.111
3
0-250 fsw
Roylyn 3-D Instruments (25544-23B21)
1
1.111
3
0-350 fsw
Roylyn 3-D Instruments (25545-24B21)
1
1.555
4
0-450 fsw
Roylyn 3-D Instruments
1
2
5
0-450 fsw
Unknown3
1
2
5
0-460 fsw
Robert Shaw
1
2.044
6
1%
of reading.
2Zero
indication only.
3Owner UIC WDZ1AA, WHKXAA, WHKYAA, WDSNAA, WHO6AA, WHQKTO.
A-1
