Micro Motion RFT9709 Manual de instrucciones Pagina 93

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Using ProLink
®
Software with Micro Motion
®
Transmitters
79
Configure Menu: Characterize
continued
Density factors for RFT9739
Configure Menu:
Transmitter Outputs
Configure Menu:
Transmitter Information
Configure Menu: EventsView Menu: Status
Configure Menu:
Characterize
Configure Menu:
Transmitter Variables
Density characterization
for RFT9739
If the sensor and transmitter were ordered together as a Coriolis
flowmeter, they are factory calibrated. No additional characterization or
calibration is necessary. Characterization is required if either the sensor
or RFT9739 is replaced.
If the sensor or RFT9739 is replaced in the field, the user must
re-characterize the sensor by programming new density factors into the
transmitter.
In density characterization, density factors are entered using one of the
methods described in
Table 8-2
. During density characterization, record
each density factor in the appropriate Transmitter Configuration
Worksheet, shown in
Appendix E
, page 183.
CAUTION
Improper density characterization could cause
density and volume measurement error.
Density characterization resets the third density
calibration factor (K3) for the RFT9739. For sensors
manufactured after October 1997, a new FD
calibration factor is provided on serial number tags
and calibration certificates.
For RFT9739 transmitters only, perform a third-point
density calibration, as instructed in Section 14.4,
page 138, after characterizing the sensor for density.
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