
Hydrometers Operation and Maintenance Manual • 5
Specications and Dimensions
Size 1 ½”
2”
SPECIFICATIONS
3” 4” 6” 8”
Maximum Working Pressure (psi) 230 230 230 230 230 230
Minimum Working Pressure (psi) 14 14 14 14 14 14
Regulated Pressure Ratio 1:3 1:3 1:3 1:3 1:3 1:3
Maximum Flow Rate (GPM) 55 95 220 380 860 1500
Minimum Flow Rate (GPM) 4.4 20 53 79 198 357
Accuracy ±2% ±2% ±2% ±2% ±2% ±2%
W
L
H
Size 1 ½”
2”
Hydrometer Dimensions
3” 4” 6” 8”
Length (L) 6
5
/16” 6
1
/4” 9
9
/16” 10
15
/16” 19
1
/2” 20
11
/16”
Width (W) 4
3
/4” 4
3
/4” 8
1
/4” 9
1
/16” 14
7
/8” 17
3
/4”
Height (H) 10
5
/16” 13
13
/16” 16
15
/16” 17
3
/4” 25
7
/16” 25
5
/8”
Weight 4 lbs. 7 lbs. 52 lbs. 65 lbs. 245 lbs. 309 lbs.
W L
H
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