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Round Horizontal Tank Calibration Table
The following tables can be used to calibrate the meter for displaying
volume in a round horizontal tank. The right-most column in each
table gives an example of actual calibration points for a 500-gallon
tank.
Number of Points: 10
Maximum Error: 0.3% Full Scale
Number of Points: 8
Maximum Error: 0.5% Full Scale
Table 3: Round Horizontal Tank Calibration Points
25
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Calib.
Input
Display:
Display: (Example)
Point
(mA)
(% Volume)
(500 Gallon Tank)
1
4.0
0.00
0.0
2
4.8
1.80
9.0
3
6.0
7.20
36.0
4
7.2
14.20
71.0
5
9.2
28.10
140.5
6
14.8
71.80
359.0
7
16.8
85.80
429.0
8
18.0
92.80
464.0
9
19.2
98.10
490.5
10
20.0
100.00
500.0
Model PD690 Universal Process Meter
Instruction Manual
Calib.
Input
Display:
Display: (Example)
Point
(mA)
(% Volume)
(500 Gallon Tank)
1
4.0
0.00
0.0
2
4.8
1.90
9.5
3
6.4
9.50
47.5
4
8.4
22.40
112.0
5
15.6
77.70
388.5
6
17.7
90.50
452.5
7
19.2
98.10
490.5
8
20.0
100.00
500.0