Honeywell ST 3000 Specification And Model Selection Manual page 16

Series 100 remote diaphragm seals models smart transmitter

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34-ST-03-64

Page 16

Density or Interface*

Calculate the minimum and

maximum pressure differentials to

be measured.

P min = (SG min - SG f ) x (d);

minimum density, 4mA

output

P max = (SG max - SG f ) x (d);

maximum density, 20mA

output

Where:

d = distance between the

taps

SG max = maximum Specific

Gravity

SG min = minimum Specific

Gravity

SGf = Specific Gravity of

capillary fill fluid (see

page 11 for values)

* Contact STC-Phoenix concerning

applications for model STR13D.

Figure 19—Density, direct acting instrument configuration.

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