Emerson Rosemount 405P Manual de inicio rápido - Página 11
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June 2016
Note
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Standard
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-in. gaskets are recommended for use with the Rosemount 405. Using other
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gaskets could potentially cause a bias shift in the measurement.
3.1 Recommended insulation guidelines
For flowmeters with integral temperature assembly:
It is recommended that the meter be insulated when the difference between
process and ambient temperature is greater than 30 °F (16.6 °C).
1. For line sizes
4-in. (100 mm) of insulation of at least a 4.35 R-factor.
2. For line sizes 6-in. (150 mm) to 12-in. (300 mm), it is recommended to have
5-in. (125 mm) of insulation of at least a 4.35 R-factor.
The full thickness stated above may not be necessary for the entire flowmeter,
but is required for the temperature sensor area at a minimum. Insulation is
needed to ensure meeting our specified temperature measurement accuracy.
Insulation should only be placed up to the neck and not cover the transmitter.
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-in. (15 mm) to 4-in. (100 mm), it is recommended to have
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Quick Start Guide
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