Honeywell STD110, STD120, STD170, STD130, STD924 User Manual

ST 3000 Smart Transmitter,
Release 300 and Smart Field

34-ST-99-22

06/03

Communicator Model STS103

Transmitter Models:

STD110, STD120, STD130, STD170, STD924,
STD930, STD974

Overview Replacement Meterbody and Heads

The ST 3000 Pressure Transmitter, Models:

· STD110, STD120, STD130, STD170, and STD974

· STD924 and STD930 with Tantalum and Monel diaphragms

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 meter body replacement number will start with
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 6.

The new versions, which will continue as Models STD110, STD120, STD130,
STD170, STD924, STD930, and STD974, differ only in the physical size and form of
the meter body, process head, and associated components.

Addendum

(to User’s Manual

34-ST-25-14B)

Related
Publications

With exceptions noted in this addendum, information given in User’s Manual
34-ST-25-14B applies also to this newer design.

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.

This addendum provides details for parts replacement that span a variety of
applications of the Models STD110, STD120, STD130, STD170, STD924, STD930,
and STD974.

For Series 100 Models ST 3000 Smart Pressure Transmitter

Series 100 Differential Pressure Models
Specification and Model Selection Guide
34-ST-03-60

For Series 900 Models ST 3000 Smart Pressure Transmitter

Series 900 Differential Pressure Models
Specification and Model Selection Guide
34-ST-03-65

06/03 34-ST-99-22 (Addendum to 33-ST-25-14B) 1 of 8

Additions to the
User Manual

The additions and changes to User Manual 34-ST-25-14B that relate to the newly
designed meter body and process heads are given in Table 1 of this addendum.

Use the information in Table 1 to reference and annotate your User Manual.

Table 1 Additions/Changes to the User Manual

Page # in User

Manual

21

41

174

179/180

214-217

Sub-Section Description of Change

3.3 Considerations for ST 3000
Transmitter

Table 6 Transmitter
Overpressure Ratings

4.3 Piping ST3000 Transmitter

Table 15 Installing Flange
Adapter

9.3 Inspecting and Cleaning
Barrier Diaphragms

Table 54 Process Head Bolt
Torque Ratings

9.5 Replacing Meter Body

Table 56 Replacing Meter Body
Only

12.1 Replacement Parts

Figure 57 and Table 71

The Maximum Working Pressure Rating and the
Overpressure Rating has been enhanced for all
models included in this addendum except for the
draft range transmitter.

For more information, refer to Table 6 in this
Addendum.

In Step 5, do not use the torque specification of 47.5
to 54 N∙m (35 to 40 lb-ft).

Instead, torque Flange Adapter bolts evenly to
47,5 N·m +/- 2,4 N·m (35 Lb-Ft +/- 1.8 Lb-Ft).

In Step 8, do not use specifications for head bolt
torque given in Table 54.

Instead, torque head bolts/nuts to the specifications
given in Table 2 of this addendum.

In Step 9, the reference to Table 48 for applying
torque to head bolts/nuts should be as given in
Table 2 of this addendum.

Figure 57 illustrates the replacement parts available
for the previous design of meter body and process
heads, and Table 71 provides part numbers and
descriptions for the parts called out in Figure 57.

2 of 8 34-ST-99-22 (Addendum to 33-ST-25-14B) 06/03

For the newly designed meter body and process
heads, use Figure 1 of this addendum to locate
replacement parts, and use
addendum for part numbers and descriptions.

For applicability of parts, refer to the appropriate
Manuals, following.

ST 3000 Smart Transmitter
Series 100 Differential Pressure Models
Specification and Model Selection Guide
34-ST-03-60

ST 3000 Smart Pressure Transmitter
Series 900 Differential Pressure Models
Specification and Model Selection Guide
34-ST-03-65

Table 3 of this

Table 2 Torque Table - Process Head Bolts/Nuts

Bolt Type

Meterbody Type

51451864XXXX, NOT
XX5
(All Transmitter except
Draft Range)

51451864XX5
(Draft Range Transmitter
only)

51452557-001

(Carbon Steel)

67,8 N•M +/- 3,4 N•M

(50.0 Lb-Ft +/- 2.5 Lb­Ft)

20,3 N•M +/- 1,0 N•M

(15.0 Lb-Ft +/- 0.8 Lb­Ft)

5142557-002 and -003
(NACE and Non-NACE
Stainless Steel)

56,9 N•M +/- 2,8 N•M

(42.0 Lb-Ft +/- 2.1 Lb-Ft)

20,3 N•M +/- 1,0 N•M

(15.0 Lb-Ft +/- 0.8 Lb-Ft)

51452557-004
(B7M Alloy Steel)

48,8 N•M +/- 2,4 N•M

(36.0 Lb-Ft +/- 1.8 Lb-Ft)

20,3 N•M +/- 1,0 N•M

(15.0 Lb-Ft +/- 0.8 Lb-Ft)

Figure 1 ST 3000 Model STD110, STD120, STD130, STD170, STD924, STD930, STD974
(Rev S or greater)

06/03 34-ST-99-22 (Addendum to 33-ST-25-14B) 3 of 8