ST 3000 Smart Transmitter

34-ST-99-25

Release 300 and Smart Field

10/04

Communicator Model STS103

Addendum

Transmitter Models:

(to Installation Guide

34-ST-33-39)

STD110, STD120, STD125, STD130, STD170,

 

STD924, STD930

 

 

 

 

 

 

 

Overview

Replacement Meterbody and Heads

 

The ST 3000 Pressure Transmitter, Models:

 

• STD110, STD120, STD125, STD130, and STD170

 

• STD924 and STD930 with optional Tantalum or Monel diaphragm

 

is now being shipped with newly designed meter body and process heads. If a

 

replacement meter body is needed, it should be ordered from the Model Number stated

 

on the meter body nameplate. This number includes the letter “S” after the model

 

number; for example, STD110S-xxx.

 

This new transmitter is functionally identical to previous models in that the working

 

ranges (Lower Range Limit to Upper Range Limit) and intended applications have not

 

changed. However, the specifications for the maximum Pressure Rating and for the

 

Overpressure Rating have been enhanced in all models except the draft range

 

transmitter. A summary of specifications is given in Table 3.

 

The new versions, which will continue as Models STD110, STD120, STD125,

 

STD130, STD170, STD924, and STD930, differ only in the physical size and form of

 

the meter body, process head, and associated components.

 

Installation, operation, maintenance, calibration, and troubleshooting tasks remain

 

virtually the same as for the previous version. Differences appear primarily in torque

 

specifications when replacing meter bodies, and in part numbering and part

 

recognition when replacing components or assemblies.

 

As an aid in parts recognition, a drawing of the newer style Meter Body, Heads, and

 

Flange Adapters is given in Figure 1 of this addendum. (The flanges on the Process

 

Heads and the Flange Adapters have an angular profile, compared to those on the

 

previous style, which are approximately elliptical in profile.)

 

For parts details, refer to 34-ST-99-22, Addendum to 34-ST-25-14.

 

With exceptions noted in this addendum, information given in Installation Guide

 

34-ST-33-39 applies also to the newer style.

Related

This addendum provides details for installation that span a variety of applications of

Publications

the Models listed in this addendum. For additional information, refer also to the

 

appropriate publications.

 

ST 3000 Smart Transmitter

 

Release 300 and Smart Field Communicator STS103

 

User’s Manual

 

34-ST-25-14 (with addendum 34-ST-99-21)

 

 

 

10/04

34-ST-99-25 (Addendum to 33-ST-33-39)

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