STG940-Series Yamatake Corporation, STG940-Series Datasheet

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STG940-Series

Manufacturer Part Number
STG940-Series
Description
Pressure Transmitter
Manufacturer
Yamatake Corporation
Datasheet
OVERVIEW
The ST3000 Smart Transmitter is a micropro-
cessor-based smart transmitter that features high
performance and excellent stability. Capable of
measuring pressure of gas, liquid, and vapor and
liquid levels, it transmits analog signals of 4 to
20 mA DC and digital signals according to the
measured pressure.
It can also execute two-way communications
between the SFC (Smart Field Communicator)
or HART
tocol, with the TDCS3000 or 3000
base, thus facilitating self-diagnosis, range
resetting, and automatic zero adjustment.
FEATURES
Excellent stability and high performance
• Long-term stability is proven in 500,000 instal-
• Unique characterization and composite semi-
Wide measuring range (range ability)
• A wide measuring range is available from a
• STG940: 35 to 3500 kPa (range ability: 1 to
A diverse lineup
• A wide range of models is available to meet
• A wide variety of corrosion-resistant materials
Specifications are subject to change without notice.
lations worldwide.
conductor sensors realize excellent temperature
and static pressure characteristics.
single model. This feature is highly effective in
taking measurements over a wide range and
reducing the need inventory units.
100)
user needs for low, standard, and high pres-
sures.
for wetted parts is also available.
®
ST3000 Series 900 Smart Transmitter
275 communicator, and, via DE pro-
Model STG940 / STG960 / STG981
Pressure Transmitters
X
and a data-
- 1 -
Remote communication
• Either analog output (4 to 20 mA DC), or digi-
• Two-way communication using digital output
• HART
HART
tal output (DE protocol) is possible.
facilitates self-diagnosis, range resetting, auto-
matic zero adjustment, and other operations.
(Option)
®
is a registered trademark of the HART Communication Foundation.
®
protocol communication is available.
No. SS2-STJ400-0100 (Rev.5)
First issue: Apr. 1999
Rev.5: Oct. 2003

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STG940-Series Summary of contents

Page 1

... A wide measuring range is available from a single model. This feature is highly effective in taking measurements over a wide range and reducing the need inventory units. • STG940 3500 kPa (range ability 100) A diverse lineup • A wide range of models is available to meet user needs for low, standard, and high pres- sures. • ...

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... For lines that require stable measurement under strictly controlled (temperature, humidity, etc.) conditions. Machinery / Shipbuilding For lines that require stable measurement under strictly controlled (temperature, humidity, etc.) conditions. Yamatake Corporation FUNCTIONAL SPECIFICATIONS Type of protection JIS C0920 watertight: NEMA3 and 4X JIS F8001 class 2 watertight: IEC IP67 ...

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... Yamatake Corporation Measuring span / Setting range / Working pressure range Measuring Setting Working Pressure Span Range Range -100 to 3500 2.0 kPa abs. to 3500kPa 35 to 3500 kPa STG kPa {15 mmHg abs to 35 kgf/ {0. kgf/ {- kgf/ 2 940 See Figure 1. 2.0 kPa abs MPa -0 ...

Page 4

... One or two elbows may be used as needed. Conformance to SI units We deliver transmitters set to any SI units as specified. Yamatake Corporation PHYSICAL SPECIFICATIONS Materials Fill fluid Silicone oil for general purpose and high-temperature ...

Page 5

... Accuracy Shown for each item are the percentage ratio for χ (kPa), which is the greatest value of either the upper range value *1 (URV) , the lower range value (LRV) Model STG940 (Material of wetted parts: Diaphragm; SUS316L, Others; SUS316) Accuracy (*3) Temperature character- Zero shift: ...

Page 6

... No. SS2-STJ400-0100 (Rev.5) Model STG940 (Material of wetted parts: Diaphragm; Hastelloy C, Tantalum, SUS316L Others; Hastelloy C, Tantalum, SUS316L) Accuracy (*3) Temperature character- Zero shift: istics (Shift from the set Combined shift: range) (including zero and span Change of 30°C shifts) (*3)(Range from -5 to 55°C) Model STG960 (Material of wetted parts: Diaphragm ...

Page 7

... Yamatake Corporation MODEL SELECTION ST3000 series 900 electric pressure transmitter Model STG940 (Low gage pressure) Model No.: STG940 - I II III - 00000 - Option I - Option II Basic Model No. Measuring 35 to 3500 kPa(0. kgf/cm span Selection I I Material Meter body Adapter cover flange Carbon steel SCS14A*1 SUS316 ...

Page 8

... No. SS2-STJ400-0100 (Rev.5) (Continued from previous page) Model No.: STG940 - I II III - 00000 - Option I - Option II Options I No options Lightning arrester Built-in indicating smart meter (0 to 100% liner scales) Built-in indicating smart meter (engineering unit scales) SUS304 Bolt and nuts material SUS630 Bolt and nuts material ...

Page 9

... Yamatake Corporation ST3000 series 900 electric pressure transmitter Model STG960 (Medium gage pressure) Model No.: STG960 - I II III - 00000 - Option I - Option II Basic model No. Measuring span 0 MPa (7 to 140 kgf/cm Selection I I Material Meter body Adapter cover flange Carbon steel SCS14A*1 SUS316 ...

Page 10

... Intrinsically safe for NEPSI cannot be selected with -D7. *7 Applicable for wetted parts of center body material;Tantalum,SUS316L *11 When SUS304 bolt / nut is selected, max. working pressure rating is 7 MPa (70 kgf/cm *38 Either one of “digital output - code D5” or “HART communication - code D7” can be selected at a time. Yamatake Corporation Code Material Code A B ...

Page 11

... Yamatake Corporation ST3000 series 900 electric pressure transmitter Model STG981 (High gage pressure) Model No.: STG981 - I II III - 00000 - Option I - Option II Basic model No. Measuring Span 0 MPa (7 to 420 kgf/cm Selection I I Material Meter body cover Carbon steel SUS316 Carbon steel SUS316 ...

Page 12

... No. SS2-STJ400-0100 (Rev.5) DIMENSIONS Model STG940 / STG960 Process connection: Front side 263 136 Plug 1/2NPT 4-7/16-20UNF Depth 12.5 For mounting 41.3 54 (60) (Long vent / Drain plug) Process connection: Top or bottom side 263 Meter (optional) 135 67.5 Electrical conduit connection 1/2NPT Internal thread 94 % Adapter flange (optional) 46 ...

Page 13

... Yamatake Corporation Model STG981 Process connection: Top or bottom side 4-M8 Screws Depth 8 For mounting 32 42.8 42 202 22.5 60 2in. pipe Process connection Field terminal 94 278 223 51 125 1/2NPT Plug Meter (optional) % Electrical conduit connection 1/2NPT Internal thread - 13 - No. SS2-STJ400-0100 (Rev.5) [Unit: mm] Terminal connection ...

Page 14

... No. SS2-STJ400-0100 (Rev.5) Model STG940 / STG960 (Wetted parts materials: Tantalum, SUS316L) Process connection: Top or bottom side Process connection 4-M8 Screws Depth 10 For mounting 41 56.8 42.8 32.4 25.4 50 100 227 (Long/Vent Drain plug) 67 2in. pipe Field terminal 94 Adapter flange (optional) 1/2NPT Plug Meter (optional) % Electrical conduit connection ...

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Note ...

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Shibuya Shibuya-ku, Tokyo 150-8316 Japan Tel : 81-3-3486-2310 Fax : 81-3-3486-2593 This has been printed on recycled paper. Savemation Saving through Automation http://www.yamatake.com/ ...

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