S900 GP SPECIFICATION
ST 3000 Smart Transmitter
Series 900 Gauge Pressure Models
STG944
STG94L
STG974
STG97L
STG98L
STG99L
0 to 500 psi
0 to 500 psi
0 to 3000 psi
0 to 3000 psi
0 to 6000 psi
0 to 10000 psi
0 to 35 bar
0 to 35 bar
0 to 210 bar
0 to 210 bar
0 to 415 bar
0 to 690 bar
34-ST-03-67
7/04
Specification and
Model Selection
Guide
Introduction
In 1983, Honeywell introduced the first
Smart Pressure Transmitter― the ST
3000®. In 1989, Honeywell launched
the first all digital, bi-directional protocol
for smart field devices. Today, its
ST 3000 Series 900 In-line, Gauge
Pressure Transmitters continue to bring
proven “smart” technology to a wide
spectrum of pressure measurement
applications. Typical applications
include high-pressure measurement in
boilers, fuel feeds, and high-pressure
reaction vessels in the petrochemical
and hydrocarbon recovery industries –
any location where accuracy and
reliability are crucial to safe,
economical operation. As with the rest
of the line of Honeywell transmitters,
the in-line transmitters offer the ability
to be installed in a wide variety of
hazardous environments for accurate
repeatable pressure measurement.
All ST 3000 transmitters can provide a
4-20 mA output, Honeywell Digitally
Enhanced (DE) output, HART* output,
or FOUNDATION™ Fieldbus output.
When digitally integrated with
Honeywell’s Process Knowledge
System™, EXPERION PKS™,
ST 3000 instruments provide a more
accurate process variable as well as
advanced diagnostics.
Honeywell’s cost-effective ST 3000
S900 transmitters lead the industry in
reliability and stability:
•
•
Stability = +/-0.01% per year
Reliability = 470 years MTBF
Figure 1—Series 900 Gauge Pressure Transmitters feature proven
piezoresistive sensor technology.
The devices provide comprehensive self-diagnostics to help users
maintain high uptime, meet regulatory requirements, and attain high
quality standards. S900 transmitters allow smart performance at
analog prices. Accurate, reliable and stable, Series 900 transmitters
offer greater turndown ratio than conventional transmitters.
"Honeywell transmitters operating in the digital mode using
Honeywell's Digitally Enhanced (DE) protocol make diagnostics
available right at the control system's human interface. Equally
important, transmitter status information is continuously displayed to
alert the operator immediately of a fault condition. Because the
process variable (PV) status transmission precedes the PV value, we
are guaranteed that a bad PV is not used in a control algorithm. In
addition, bi-directional communication provides for remote transmitter
configuration directly from the human interface, enabling management
of the complete loop.”
Maureen Atchison, DuPont
Site Electrical & Instrumentation Leader
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Page 2
Description
The ST 3000 transmitter can replace any 4 to 20 mA output transmitter in
use today and operates over a standard two-wire system.
The measuring means is a piezoresistive sensor, which actually contains
three sensors in one. It contains a differential pressure sensor, a
temperature sensor, and a static pressure sensor.
Features
•
Choice of linear or square
root output conformity is a
simple configuration
selection.
•
Direct digital integration with
Experion PKS and other
control systems provides local
measurement accuracy to the
system level without adding
typical A/D and D/A converter
inaccuracies.
•
Unique piezoresistive sensor
automatically compensates
input for temperature and
static pressure.Added “smart”
features include configuring
lower and upper range
values, simulating accurate
analog output, and selecting
preprogrammed engineering
units for display.
•
Smart transmitter capabilities
with local or remote
interfacing means significant
manpower efficiency
improvements in
commissioning, start-up, and
ongoing maintenance
functions.
Microprocessor-based electronics provide higher span-turndown ratio,
improved temperature and pressure compensation, and improved
accuracy.
The transmitter’s meter body and electronics housing resist shock,
vibration, corrosion, and moisture. The electronics housing contains a
compartment for the single-board electronics, which is isolated from an
integral junction box. The single-board electronics is replaceable and
interchangeable with any other ST 3000 Series 100 or Series 900 model
transmitter.
Like other Honeywell transmitters, the ST 3000 features two-way
communication between the operator and the transmitter through our
Smart Field Configurator (SFC). You can connect the SFC anywhere that
you can access the transmitter signal lines.
The SCT 3000 Smartline® Configuration Toolkit provides an easy way to
configure instruments using a personal computer. The toolkit enables
configuration of devices before shipping or installation. The SCT 3000
can operate in the offline mode to configure an unlimited number of
devices. The database can then be loaded downline during
commissioning.
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Page 3
Specifications
Operating Conditions – All Models
Parameter
Reference
Condition
(at zero static)
Rated Condition
Operative Limits
Transportation and
Storage
°C
°F
°C
°F
°C
°F
Ambient Temperature
25 ±1
77 ±2
-40 to 70
-40 to 158
-40 to 85
-40 to 185
Meter Body Temperature
25 ±1
77 ±2 -40 to 110*
Humidity
10 to 55
%RH
Vacuum Region - Minimum
Pressure
mmHg absolute
inH2O absolute
Supply Voltage, Current,
and Load Resistance
Maximum Allowable
Working Pressure (MAWP)
(ST 3000 products are rated to
Maximum Allowable Working
Pressure)
-40 to 230* -40 to 125**
°F
-55 to 125 -67 to 257
-40 to 257** -55 to 125 -67 to 257
0 to 100
0 to 100
25
13
2 (short term ***)
1 (short term ***)
atmospheric
atmospheric
°C
0 to 100
Voltage Range: 10.8 to 42.4 Vdc at terminals
Current Range:
3.0 to 21.8 mA
Load Resistance: 0 to 1440 ohms (as shown in Figure 2)
STG944 and STG94L = 500 psi , 35 bar
STG974 and STG97L = 3000 psi, 210 bar
STG98L = 6000 psi, 415 bar
STG99L = 10,000 psi, 690 bar
Units can withstand overpressure of 1.5X MAWP without damage.
* For model 944 with CTFE fill fluid, the rating is –15 to 70°C (5 to 158°F); for model 98L with CTFE fill fluid,
the rating is –15 to 110°C (5 to 230°F).
** For Models STG94L, STG97L, and STG98L, STG99L the upper limit is 110°C (230°F).
*** Short term equals 2 hours at 70°C (158 °F)
1440
1200
Loop
Resistance
(ohms)
800
NOTE: A minimum of 250 ohms
of loop resistance is necessary
to support communications.
Loop resistance equals barrier
resistance plus wire resistance
plus receiver resistance.
650
450
250
= Operating Area
0
10.8 16.28 20.63 25
28.3
Operating Voltage (Vdc)
Figure 2—Supply voltage and loop resistance chart.
37.0
42.4
21012
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Performance Under Rated Conditions* - Models STG944 & 94L (0 to 500 psi/35 bar)
Parameter
Description
Upper Range Limit
psi
bar
500
35
Minimum Span
psi
bar
20
1.4
Turndown Ratio
25 to 1
Zero Elevation and Suppression
No limit except minimum span from absolute 0 (zero) to +100% URL. Specifications
valid over this range.
Accuracy (Reference – Includes
combined effects of linearity,
hysteresis, and repeatability)
In Analog Mode: ±0.075% of calibrated span or upper range value (URV), whichever
is greater, terminal based.
• Accuracy includes residual error
after averaging successive
readings.
• For FOUNDATION Fieldbus use
Digital Mode specifications. For
HART use Analog Mode
specifications.
For URV below reference point (20 psi), accuracy equals:
±0.025 + 0.05
20 psi
1.4 bar
( span
psi) or ±0.025 + 0.05 ( span bar) in % span
In Digital Mode: ±0.0625% of calibrated span or upper range value (URV), whichever
is greater, terminal based.
For URV below reference point (20 psi), accuracy equals:
±0.0125 + 0.05
Zero Temperature Effect per
28°C (50°F)
20 psi
1.4 bar
( span
psi) or ±0.0125 + 0.05 ( span bar) in % span
In Analog Mode: ±0.1625% of span.
For URV below reference point (50 psi), effect equals:
±0.0125 + 0.15
50 psi
3.5 bar
( span
psi) or ±0.0125 + 0.15 ( span bar) in % span
In Digital Mode: ±0.15% of span.
For URV below reference point (50 psi), effect equals:
±0.15
Combined Zero and Span
Temperature Effect per 28°C
(50°F)
50 psi
3.5 bar
( span
psi) or ±0.15 ( span bar) in % span
In Analog Mode: ±0.25% of span.
For URV below reference point (50 psi), effect equals:
±0.10 + 0.15
50 psi
3.5 bar
( span
psi) or ±0.10 + 0.15 ( span bar) in % span
In Digital Mode: ±0.225% of span.
For URV below reference point (50 psi), effect equals:
50 psi
3.5 bar
±0.075 + 0.15
span psi or ±0.075 + 0.15 span bar
(
Stability
)
(
) in % span
±0.015% of URL per year
* Performance specifications are based on reference conditions of 25°C (77°F), 10 to 55% RH, and 316L Stainless Steel barrier diaphragm.
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Performance Under Rated Conditions* - Models STG974 & 97L (0 to 3000 psi/210 bar)
Parameter
Description
Upper Range Limit
psi
bar
3000
210
Minimum Span
psi
bar
300
21
Turndown Ratio
10 to 1
Zero Elevation and Suppression
No limit except minimum span from absolute 0 (zero) to +100% URL. Specifications
valid over this range.
Accuracy (Reference – Includes
combined effects of linearity,
hysteresis, and repeatability)
In Analog Mode: ±0.10% of calibrated span or upper range value (URV), whichever is
greater, terminal based.
For URV below reference point (750 psi), accuracy equals:
• Accuracy includes residual error
after averaging successive
readings.
 750 psi 
 52 bar 
 or ±0.05 + 0.05 
 in % span
±0.05 + 0.05 
span
psi


 span bar 
In Digital Mode: ±0.075% of calibrated span or upper range value (URV), whichever is
greater, terminal based.
For URV below reference point (300 psi), accuracy equals:
• For FOUNDATION Fieldbus use
Digital Mode specifications. For
HART use Analog Mode
specifications.
Zero Temperature Effect per
28°C (50°F)
750 psi 
±0.025 + 0.05 
 or ±0.025 + 0.05
 span psi 
 52 bar 
 in % span

 span bar 
In Analog Mode: ±0.2125% of span.
For URV below reference point (500 psi), effect equals:
±0.0125 + 0.20
500 psi
35 bar
( span
psi) or ±0.0125 + 0.20 ( span bar) in % span
In Digital Mode: ±0.20% of span.
For URV below reference point (500 psi), effect equals:
±0.20
Combined Zero and Span
Temperature Effect per 28°C
(50°F)
500 psi
35 bar
( span
psi) or ±0.20 ( span bar) in % span
In Analog Mode: ±0.325% of span.
For URV below reference point (500 psi), effect equals:
±0.125 + 0.20
500 psi
35 bar
( span
psi) or ±0.125 + 0.20 ( span bar) in % span
In Digital Mode: ±0.30% of span.
For URV below reference point (500 psi), effect equals:
±0.10 + 0.20
Stability
500 psi
35 bar
( span
psi) or ±0.10 + 0.20 ( span bar) in % span
±0.03% of URL per year
* Performance specifications are based on reference conditions of 25°C (77°F), 10 to 55% RH, and 316L Stainless Steel barrier diaphragm.
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Performance Under Rated Conditions* - Model STG98L (0 to 6000 psi/415 bar)
Parameter
Description
Upper Range Limit
psi
bar
6000
415
Minimum Span
psi
bar
500
35
Turndown Ratio
12 to 1
Zero Elevation and Suppression
No limit except minimum span from absolute 0 (zero) to +100% URL. Specifications
valid over this range.
Accuracy (Reference – Includes
combined effects of linearity,
hysteresis, and repeatability)
In Analog Mode: ±0.10% of calibrated span or upper range value (URV), whichever is
greater, terminal based.
For URV below reference point (1500 psi), accuracy equals:
• Accuracy includes residual error
after averaging successive
readings.
1500 psi 
±0.05 + 0.05 
 or ±0.05 + 0.05
 span psi 
• For FOUNDATION Fieldbus use
Digital Mode specifications. For
HART use Analog Mode
specifications.
Zero Temperature Effect per
28°C (50°F)
 104 bar  in % span
 span bar 


In Digital Mode: ±0.075% of calibrated span or upper range value (URV), whichever is
greater, terminal based.
For URV below reference point (1500 psi), accuracy equals:
1500 psi 
 104 bar 
±0.025 + 0.05 
 or ±0.025 + 0.05  span bar  in % span
 span psi 


In Analog Mode: ±0.2125% of span.
For URV below reference point (1500 psi), effect equals:
1500 psi 
±0.0125 + 0.20 
 or ±0.0125 + 0.20
 span psi 
 104 bar  in % span
 span bar 


In Digital Mode: ±0.20% of span.
For URV below reference point (1500 psi), effect equals:
1500 psi 
±0.20 
 or ±0.20
 span psi 
Combined Zero and Span
Temperature Effect per 28°C
(50°F)
70 bar
( span
bar) in % span
In Analog Mode: ±0.325% of span.
For URV below reference point (1500 psi), effect equals:
1500 psi 
 104 bar 
±0.125 + 0.20 
 or ±0.125 + 0.20  span bar  in % span
 span psi 


In Digital Mode: ±0.30% of span.
For URV below reference point (1500 psi), effect equals:
1500 psi 
 104 bar 
±0.10 + 0.20 
 or ±0.10 + 0.20  span bar  in % span
 span psi 


Stability
±0.03% of URL per year
* Performance specifications are based on reference conditions of 25°C (77°F), 10 to 55% RH, and 316L Stainless Steel barrier diaphragm.
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Performance Under Rated Conditions* - Model STG99L (0 to 10000 psi/690 bar)
Parameter
Description
Upper Range Limit
psi
bar
10000
690
Minimum Span
psi
bar
500
35
Turndown Ratio
20 to 1
Zero Elevation and Suppression
No limit except minimum span from absolute 0 (zero) to +100% URL. Specifications
valid over this range.
Accuracy (Reference – Includes
combined effects of linearity,
hysteresis, and repeatability)
In Analog Mode: ±0.10% of calibrated span or upper range value (URV), whichever is
greater, terminal based.
For URV below reference point (2500 psi), accuracy equals:
• Accuracy includes residual error
after averaging successive
readings.
±0.05 + 0.05
• For FOUNDATION Fieldbus use
Digital Mode specifications. For
HART use Analog Mode
specifications.
In Digital Mode: ±0.075% of calibrated span or upper range value (URV), whichever is
greater, terminal based.
For URV below reference point (2500 psi), accuracy equals:
 2500 psi 
 or ±0.05 + 0.05

 span psi 
±0.025 + 0.05
Zero Temperature Effect per
28°C (50°F)
 2500 psi 

 or
 span psi 
 172 bar 
 in % span

 span bar 
 172 bar 
 span bar  in % span


±0.025 + 0.05 
In Analog Mode: ±0.2125% of span.
For URV below reference point (2500 psi), effect equals:
±0.0125 + 0.20
 2500 psi 

 or ±0.0125 + 0.20
 span psi 
 172 bar 
 in % span

 span bar 
In Digital Mode: ±0.20% of span.
For URV below reference point (2500 psi), effect equals:
±0.20
Combined Zero and Span
Temperature Effect per 28°C
(50°F)
 2500 psi 

 or
 span psi 
±0.20
 172 bar 
 in % span

 span bar 
In Analog Mode: ±0.325% of span.
For URV below reference point (2500 psi), effect equals:
±0.125 + 0.20
 2500 psi 

 or ±0.125 + 0.20
span
psi


 172 bar 
 in % span

span
bar


In Digital Mode: ±0.30% of span.
For URV below reference point (2500 psi), effect equals:
±0.10 + 0.20
Stability
 2500 psi 

 or
 span psi 
±0.10 + 0.20
 172 bar 
 in % span

span
bar


±0.03% of URL per year
* Performance specifications are based on reference conditions of 25°C (77°F), 10 to 55% RH, and 316L Stainless Steel barrier diaphragm.
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Performance Under Rated Conditions - General for all Models
Parameter
Description
Output (two-wire)
Analog 4 to 20 mA or DE digital communications mode. Options available for
FOUNDATION Fieldbus and HART protocol.
Supply Voltage Effect
0.005% span per volt.
Damping Time Constant
Adjustable from 0 to 32 seconds digital damping.
CE Conformity (Europe)
89/336/EEC, Electromagnetic Compatibility (EMC) Directive.
Lightning Protection Option
Leakage Current: 10 microamps max. @ 42.4 VDC, 93°C
(Code “LP”)
Impulse Rating:
(rise/decay)
10/20 µ sec.
5,000 Amps (50 strikes) 10,000 Amps (20 strikes)
10/1000 µ sec. 250 Amps (1000 strikes) 500 Amps (400 strikes)
Physical and Approval Bodies
Parameter
Description
Barrier Diaphragms Material
Dual-Head Meter Body: 316L SS, Hastelloy C-276
In-Line Meter Body: 316L SS, Hastelloy C-276
Process Head Material
Dual-Head Meter Body: 316 SS, Carbon Steel (zinc-plated), Hastelloy. [Reference
head is Carbon Steel (zinc-plated).]
In-Line Meter Body: 316 SS process interface.
Head Gaskets
Teflon is standard. Viton is available.
Meter Body Bolting
Carbon Steel (Zinc plated) standard. Options include 316 SS, NACE A286 SS bolts
and 304 SS nuts and B7M. 316 SS (NACE) bolts for adapters (standard option).
Mounting Bracket
Carbon Steel (Zinc-plated) or Stainless Steel angle bracket or Carbon Steel flat
bracket available.
Fill Fluid
Silicone oil or CTFE (Chlorotrifluoroethylene)
Electronic Housing
Epoxy-Polyester hybrid paint. Low Copper-Aluminum. Meets NEMA 4X (watertight)
and NEMA 7 (explosion proof). Stainless steel optional.
Process Connections
Dual-Head Meter Body: 1/4-inch NPT; 1/2-inch NPT with adapter or DIN, standard
option.
In-Line Meter Body: 1/2-inch NPT
Wiring
Accepts up to 16 AWG (1.5 mm diameter).
Mounting
Can be mounted in virtually any position using the standard mounting bracket. Bracket
is designed to mount on 2-inch (50 mm) vertical or horizontal pipe. See Figure 3 for
dual-head models, and Figure 4 for in-line models.
Dimensions
See Figures 5 and 6.
Net Weight
With Dual-Head Meter Body: 9 pounds (4.1 Kg)
With In-Line Meter Body: 3.8 pounds (1.7 Kg)
Approval Bodies
-
Hazardous Areas
-
Canadian Registration
Number (CRN)
-
Approved as explosion proof and intrinsically safe for use in Class I, Division 1,
Groups A, B, C, D locations, and nonincendive for Class I, Division 2, Groups A,
B, C, D locations. Approved EEx ia IIC T4, T5, T6 and EEx d IIC T5, T6 per ATEX
standards. See attached Model Selection Guide for options.
-
All ST 3000 model designs, except STG19L, STG99L, STG170, STG180, have
been registered in all provinces and territories in Canada and are marked CRN:
0F8914.5C.
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Page 9
Pressure Equipment Directive
(97/23/EC)
The ST 3000 pressure transmitters listed in this Specification have no pressurized
internal volume or have a pressurized internal volume rated less than 1,000 bar
(14,500 psig) and/or have a maximum volume of less than 0.1 liter. Therefore, these
transmitters are either; not subject to the essential requirements of the directive
97/23/EC (PED, Annex 1) and shall not have the CE mark, or the manufacturer has
the free choice of a module when the CE mark is required for pressures > 200 bar
(2,900 psig).
NOTE: Pressure transmitters that are part of safety equipment for the protection of piping (systems) or vessel(s) from
exceeding allowable pressure limits, (equipment with safety functions in accordance with Pressure Equipment Directive
97/23/EC article 1, 2.1.3), require separate examination.
24252
Figure 3—Examples of typical mounting positions for dual-head models STG944 and STG974
24268
Figure 4—Examples of typical mounting positions for in-line models STG94L, STG97L, STG98L, and STG99L.
Note that a mounting bracket is not required for in-line models.
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Page 10
Reference Dimensions:
With
Smart
meter
millimeters
inches
82.9
3.26
Removal
Clearance
for All Caps
45.7
1.8
94.9
3.74
53.1
2.09
65.1
2.56
Without
meter
Without
meter
3.6
0.14 Plug
135
5.32
55.3
2.18
23.5
.925
214
8.43
Optional
Meters
Optional
external
ground
125.2
4.93
Rotational
Lock
67
2.64
53.9
2.12
32.5
1.28
93.6
3.69
129
5.08
2425
Figure 5—Typical mounting dimensions for dual-head models STG944 and STG974 for reference
34-ST-03-67
Page 11
Reference Dimensions:
With
Smart
meter
millimeters
inches
82.9
3.26
53.1
2.09
Removal
Clearance
for All Caps
45.7
1.8
With
Analog
meter
94.9
3.74
65.1
2.56
Without
meter
135
5.32
Without
meter
55.3
2.18
3.6
0.14
Plug
Optional
meters
23.5
.925
1/2"
NPT
Optional
external
ground
213.3 / 238.3*
8.40 / 9.38
158 / 183*
6.22 / 7.20
Rotational
lock
1/2" NPT
Pressure
Connection
44.5
1.75
38.1
1.5
*Dimensions vary due to slight differences in electronics housing designs.
Figure 6—Typical mounting dimensions for in-line models STG94L, STG97L, STG98L, and STG99L for
reference
34-ST-03-67
Page 12
Options
Mounting Bracket
The angle mounting bracket is
available in either zinc-plated
carbon steel or stainless steel and
is suitable for horizontal or vertical
mounting on a two inch (50
millimeter) pipe, as well as wall
mounting. An optional flat
mounting bracket is also available
in carbon steel for two inch (50
millimeter) pipe mounting.
Indicating Meter
(ME and SM Options)
Two integral meter options are
available. An analog meter (option
ME) is available with a 0 to 100%
linear scale. The Smart Meter
(option SM) provides an LCD
display for both analog and digital
output and can be configured to
display pressure in pre-selected
engineering units.
Lightning Protection
(Option LP)
A terminal block is available with
circuitry that protects the
transmitter from transient surges
induced by nearby lightning
strikes.
HART Protocol Compatibility
(Option HC)
An optional electronics module is
available for the ST 3000 that
provides HART Protocol
compatibility. Transmitters with the
HART Option are compatible with
the AMS System. (Contact your
AMS Supplier if an upgrade is
required.)
Indicator Configuration
(Option CI)
Provides custom configuration of
Smart Meters
Tagging (Option TG)
Ordering Information
Contact your nearest Honeywell sales
office, or
In the U.S.:
Honeywell
Industrial Automation & Control
16404 North Black Canyon Hwy.
Phoenix, AZ 85053
1-800-288-7491
Up to 30 characters can be added
on the stainless steel nameplate
mounted on the transmitter’s
In Canada:
electronics housing at no extra cost.
The Honeywell Centre
Note that a separate nameplate on
155 Gordon Baker Rd.
North York, Ontario M2H 3N7
the meter body contains the serial
1-800-461-0013
number and body-related data. A
stainless steel wired on tag with
additional data of up to 4 lines of 28 In Latin America:
Honeywell Inc.
characters is also available. The
480 Sawgrass Corporate Parkway,
number of characters for tagging
Suite 200
includes spaces.
Sunrise, FL 33325
Transmitter Configuration
(Option TC)
The factory can configure the
transmitter linear/square root
extraction, damping time, LRV,
URV and mode (analog/digital) and
enter an ID tag of up to eight characters and scratchpad information
as specified.
Custom Calibration and ID in
Memory (Option CC)
The factory can calibrate any range
within the scope of the transmitter’s
range and enter an ID tag of up to
eight characters in the transmitter’s
memory.
FOUNDATION Fieldbus
(Option FF)
Equips transmitter with FF
protocol for use in 31.25 kbit/s
FF networks. See document
34-ST-03-72 for additional
information on ST 3000
Fieldbus transmitters.
(954) 845-2600
In Europe and Africa:
Honeywell S. A.
Avenue du Bourget 1
1140 Brussels, Belgium
In Eastern Europe:
Honeywell Praha,
s.r.o. Budejovicka 1
140 21 Prague 4,
Czech Republic
In the Middle East:
Honeywell Middle East Ltd.
Khalifa Street,
Sheikh Faisal Building
Abu Dhabi, U. A. E.
In Asia:
Honeywell Asia Pacific Inc.
Honeywell Building,
17 Changi Business Park Central 1
Singapore 486073
Republic of Singapore
In the Pacific:
Honeywell Pty Ltd.
5 Thomas Holt Drive
North Ryde NSW Australia 2113
(61 2) 9353 7000
In Japan:
Honeywell K.K.
14-6 Shibaura 1-chrome
Minato-ku, Tokyo, Japan 105-0023
Specifications are subject to change without notice.
(Note that specifications may differ slightly for transmitters manufactured before
October 30, 1995.)
Or, visit Honeywell on the World Wide
Web at: http://www.honeywell.com
34-ST-03-67
Page 13
34-ST-16-26 Issue 30
Instructions
Select the desired Key Number. The arrow to the right marks the selection available.
Make one selection from each table, I and II, using the column below the proper arrow.
Select as many Table III options as desired (if no options or approvals are desired, specify 9X).
A (Š) denotes unrestricted availability. A letter denotes restricted availability.
Restrictions follow Table IV.
Key Number
______
I
-
___
II
-
III (Optional)
_____
-
_ _, _ _ _ _
IV
+
XXXX
KEY NUMBER
Selection
Gage
Pressure
Absolute
Pressure
STG944
STG974
STA922
STA940
Span
0-20 to 0-500 psi/0-1.4 to 0-35 bar
0-300 to 0-3000 psi/0-21 to 0-210 bar
0-50 to 0-780 mmHgA/0-67 to 1040 mbar A.
0-20 to 0-500 psia/0-1.4 to 0-35 bar abs
Availabili
TABLE I - METER BODY
Wetted
Process Head ***
Material
of
Construction
Fill Fluid
Carbon Steel *
Carbon Steel *
316 St. St.
316 St. St.
Vent/Drain
Valve **
316 St. St.
316 St. St.
316 St. St.
316 St. St.
Barrier
Diaphragms
316 LSS
Hastelloy C
316 LSS
Hastelloy C
_1_
_2_
Š
Š
Š
Š
Š
Š
Š
1/4" NPT
__A
Š
1/2" NPT with Adapter
__G
t
1/2" NPT
__G
Hastelloy C
Hastelloy C
Silicone DC200 ****
Hastelloy C
CTFE
Process Head
Configuration
TABLE II
No Selection
*
Carbon Steel heads are zinc-plated.
**
***
****
Note:
A__
B__
E__
F__
J__
Š
Š
Š
Š
Š
Š
Š
Š
00000
Š Š
Not recommended for water service due to hydrogen migrat
Use Stainless Steel heads.
Vent/Drains are Teflon coated for lubricity.
The standard reference head for the STG9XX is carbon steel (zinc-plated).
See Table III for a stainless steel reference (HR) head option.
If STA922 operating below 50mm HgA, see Figure 2 in Specification 34-ST-03-65 and
contact Marketing Applications for a "Special" Silicone DC704 quote.
End vent drain valve standard for STG9XX.
End vent drain valves are not available on STA9XX.
34-ST-03-67
Page 14
STA9
STG9
TABLE III - OPTIONS
Selection
00
None
Communication Options
HART® Protocol Compatible Electronics
FOUNDATION Fieldbus Communications
44 22
74 40
Š Š
HC
FF
e
e
r
r
ME
SM
CI
LZ
ZS
Š Š
Š Š
m m
x
s
LP
CC
TC
WP
SH
A1
A2
A3
Š
Š
Š
Š
n
n
u
i
Š
Š
Š
Š
n
n
u
i
TG
Š
Š
TB
LT
SP
PG
TL
GE
Š
z
Š
a
a
a
a
a
a
a
a
CR
SS
S1
T1
DN
VT
SV
B1
HR
Š
f
c
c
w
Š
d
y
Š
Š
MB
SB
FB
Š
Š
Š
Š
Š
Š
0X
TP
F1
F3
F5
F6
F7
MT
h
Š
Š
Š
Š
Š
o
2
h
Š
Š
Š
Š
Š
o
2
W1
W2
W3
W4
Š
Š
Š
Š
Š
Š
Š
Š
b
Indicating Meter Options
Analog Meter (0-100 Even 0-10 Square Root)
Smart Meter
Custom Configuration of Smart Meter
Local Zero
Local Zero and Span
b
b
Transmitter Housing & Electronics Options
Lightning Protection
Custom Calibration and I.D. in Memory
Transmitter Configuration
Write Protection
316 ST.ST. Electronics Housing - with M20 Conduit Connections
1/2" NPT to M20 316SS Conduit Adapter (BASEEFA EEx d IIC)
1/2" NPT to 3/4" NPT 316 SS Conduit Adapter
Stainless Steel Housing with M20 to 1/2" NPT 316 SS Conduit
Adapter (use for FM and CSA Approvals)
Stainless Steel Customer Wired-On Tag
(4 lines, 28 characters per line, customer supplied information)
Stainless Steel Customer Wired-On Tag (blank)
o
Low Temperature - -50 C Ambient Limit
End Cap Live Circuit Warning Label in Spanish (only with ATEX 3D)
End Cap Live Circuit Warning Label in Portuguese (only with ATEX 3D)
End Cap Live Circuit Warning Label in Italian (only with ATEX 3D)
End Cap Live Circuit Warning Label in German (only with ATEX 3D)
b
b
Meter Body Options
A286SS (NACE) Bolts and 302/304SS (NACE) Nuts for Heads
316 SS Bolts and 316 SS Nuts for Process Heads
Adapter Flange - 1/2" NPT St. Steel
Adapter Flange - 1/2" NPT Hastelloy-C
Modified DIN Process Heads - 316SS
Viton Process Head Gaskets (teflon is standard)
Side Vent/Drain
Blind DIN SS Flanges Mounted with NACE Bolts
St. St. Reference Head (Carbon Steel Standard)
b
v
Transmitter Mounting Brackets Options
Mounting Bracket - Carbon Steel
Mounting Bracket - ST. ST.
Flat Mounting Bracket - Carbon Steel
b
Services/Certificates/Marine Type Approval Options
Clean Transmitter for Oxygen or Chlorine Service with Certificate
Over-Pressure Leak Test with F3392 Certificate
Calibration Test Report and Certificate of Conformance (F3399)
Certificate of Conformance (F3391)
Certificate of Origin (F0195)
FMEDA (SIL) Certificate
NACE Certificate (F0198)
Marine Type Approvals (DNV, ABS, BV & LR)
b
Warranty Options
Additional Warranty - 1 year
Additional Warranty - 2 years
Additional Warranty - 3 years
Additional Warranty - 4 years
Table III continued next page
b
34-ST-03-67
Page 15
STA9
STG9
44 22
TABLE III - OPTIONS (continued)
Approval
Body
Approval Type
No hazardous location approvals
Explosion Proof
Factory
Dust Ignition Proof
Mutual
Non-Incendive
Intrinsically Safe
CSA
Explosion Proof
Dust Ignition Proof
Intrinsically Safe
SA
Intrinsically Safe
(Australia) Non-Sparking
Intrinsically Saft, Zone
0/1
Flameproof, Zone 1
Selection
Location or Classification
Class I, Div. 1, Groups A,B,C,D
Class II, III Div. 1, Groups E,F,G
Class I, Div. 2, Groups A,B,C,D
Class I, II, III, Div. 1, Groups
A,B,C,D,E,F,G
Class I, Div. 1, Groups B,C,D
Class II, III, Div. 1, Groups E,F,G
Class I, II, III, Div. 1, Groups
A,B,C,D,E,F,G
Ex ia IIC T4
Ex n IIC T6 (T4 with SM option)
Ex II 1G
EEx ia IIC T4, T5,T6
Int. Safe, Zone 0/1, or
Ex II 2G
EEx d IIC T5, T6,
Enclosure IP 66/67
Ex II 3G
EEx nA, IIC T6
(Honeywell). Enclosure IP 66/67
Ex II 1 G EEx ia IIC T4, T5, T6
Ex II 2 G EEx d IIC T5, T6
Flameproof, Zone 1, or
Ex II 3 G EEx nA, IIC T6 (Honeywell)
Non-Sparking, Zone 2
Enclosure IP 66/67
Ex d IIC T5
Non-Sparking, Zone 2
ATEX*
Multiple Marking**
INMETRO Flameproof, Zone 1
(Brazil)
74 40
9X
Š Š
1C
Š Š
2J
Š Š
4G
Š
Š
3S
Š
Š
3D
Š
Š
3N
Š
Š
3H
Š Š
6D
Š Š
b
*See ATEX installation requirements in the ST 3000 User's Manual
**The user must determine the type of protection required for installation of the equipment. The user
shall then check the box [D] adjacent to the type of protection used on the equipment certification
nameplate. Once a type of protection has been checked on the nameplate, the equipment shall not then
be reinstalled using any of the other certification types.
34-ST-03-67
Page 16
TABLE IV
Factory Identification
XXXX
RESTRICTIONS
Restriction
Letter
a
b
Table
III
Available Only With
Not Available With
Selection
Table
Selection
3D or 3H
Select only one option from this group
__G
c
d
e
f
I
h
I
_2_
i
III
1C or 2J
m
n
o
r
s
t
u
v
III
SM
III
CR or B1
III
I
I
x
III
FF, SM
y
I
III
E _ A, F _ A
Note:
DN, B1
4G
2J
III
1C, 2J
III
III
Select adapter from Table III S1, T1
1C, 2J
E _ G, F _ G
E _ A, F _ A
III
w
z
2
III
III
III
TC, ME, 4G, 3S
FF, ME
SV
III
SV
III
III
STG974
FB
DN
See ST-83 for Published Specials with pricing.
See ST-89 and User's Manual for part numbers.
See ST-OE-9 for OMS Order Entry Information including TC, manuals,
certificates, drawings and SPINS.
See ST-OD-1 for tagging, ID, Transmitter Configuration (TC) and
calibration including factory default values.
To request a quotation for a non-published "special", fax RFQ to Marketing
Applications.
See ST-OE-9 for OMS Order Entry Information including TC, manuals,
Š Š
34-ST-03-67
Page 17
This Page Intentionally Blank
ST 3000 is a registered trademark of Honeywell International Inc.
HART* is a trademark of the Hart Communication Foundation.
FOUNDATION™ is a trademark of the Fieldbus Foundation.
Industrial Measurement and Control
Honeywell International Inc.
16404 North Black Canyon Highway
Phoenix, Arizona 85053
Honeywell International Inc.
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