Density effect (specific gravity) – Badger Meter High Temperature Fluid Meter User Manual

Page 17

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Density Effect (Specific Gravity)

Any fluid density change from stated standards has a proportional effect on meter accuracy . Special scales can be supplied if

actual specific gravity decreases accuracy beyond application limits . Corrections for more or less dense fluids can be made to

standard scales using the following correction factors:

1 0

.

Specific Gravity

for water/water-based meters

0 876

.

Specific Gravity

for petroleum-based meters

7000

6000

5000

4000

3000

2000

1000

0

MAXIMUM OPERA

TING PRESSURE, PSI

TEMPERATURE, DEGREES F

TEMPERATURE DERATING CURVES

CONTINUOUS TEMPERATURE
INTERMITTENT TEMPERATURE

Aluminum

Brass

Stainless Steel

Stainless Steel

0

100

200

300

400

500

Figure 8: Pressure vs temperature

User Manual

Page 17

November 2013

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