Emerson 3051S Especificações descarregar pdf (Página 76)

Reference Manual

00809-0100-4801, Rev FA

October 2010

Rosemount 3051S Series

4-2

Table 4-1. Recommended

Calibration Tasks

NOTE:

A Field Communicator is required for all sensor and output trim procedures.

Rosemount 3051S_C Range 4 and Range 5 transmitters require a special

calibration procedure when used in differential pressure applications under

high static line pressure (see “Compensating for Line Pressure (Range 4 and

Range 5)” on page 4-10).

Rosemount 3051S_TG Range 5 transmitters use an absolute sensor that

requires an accurate absolute pressure source to perform the optional sensor

trim.

Calibration Overview Complete calibration of the 3051S pressure transmitter involves the following

tasks:

Configure the analog output parameters

• Set Process Variable Units (page 3-8)

• Set Output Type (page 3-8)

• Rerange (page 3-9)

• Set Damping (page 3-11)

Transmitter Bench Calibration Tasks Field Calibration Tasks

3051S_ CD

3051S_ CG

3051S_ L

3051S_TG, Range 1-4

1. Set output configuration parameters:

a. Set the range points.

b. Set the output units.

c. Set the output type.

d. Set the damping value.

2. Optional: Perform a sensor trim.

(Accurate pressure source required)

3. Optional: Perform an analog output

trim. (Accurate multimeter required)

1. Reconfigure parameters if necessary.

2. Zero trim the transmitter to

compensate for mounting effects or

static pressure effects.

3051S_ CA

3051S_ TA

3051S_ TG, Range 5

1. Set output configuration parameters:

a. Set the range points.

b. Set the output units.

c. Set the output type.

d. Set the damping value.

2. Optional: Perform a sensor trim if

equipment available (accurate absolute

pressure source required), otherwise

perform the low trim value section of

the sensor trim procedure.

3. Optional: Perform an analog output

trim (Accurate multimeter required)

1. Reconfigure parameters if necessary.

2. Perform low trim value section of the

sensor trim procedure to correct for

mounting position effects.

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