Remote-Sealed Gauge Pressure Transmitters

CEFOUNDATION FieldbusHART

AT9000 Advanced Transmitter Remote-sealed Gauge Pressure Transmitters (GTX**U series) are used to measure pressure (pressure, fluid level, etc.) of high-temperature or highly corrosive, condensable fluids. We offer an extensive lineup, including small bore flange models starting at 40 mm and models for high temperature (including high temperature high vacuum) applications.


Remote-Sealed Gauge Pressure Transmitters

Main specifications

Model GTX35U GTX60U GTX71U GTX82U
Measurement span 2.5 to 100 kPa 35 to 3500 kPa 0.7 to 10 MPa 0.7 to 42 MPa
Setting range -100 to 100 kPa -100 to 3500 kPa -0.1 to 10 MPa -0.1 to 42 MPa
Reference accuracy
(Varies by material and measurement span)
±0.2% ±0.2% ±0.2% ±0.2%
Fill fluid Silicone oil
(for general purpose and high temperature models)
Silicone oil
(for general purpose, high temperature, high temperature vacuum, and high temperature high vacuum models)
Silicone oil
(oxygen models)
Fluorine oil
(oxygen and chlorine models)
Fluorine oil
(oxygen and chlorine models)
Fluorine oil
(oxygen models)
Waterproof and dust-proof construction IEC IP66/IP67
Explosion-proof construction TIIS flameproof (Exd IICT4)
KOSHA flameproof
FM explosion proof, intrinsic safe and Nonincendive
ATEX/NEPSI/IECEx flameproof, intrinsic safe and Type n
INMETRO flameproof
Range of operating temperatures for liquid part
(Varies with pressure)
Silicone oil: -40 to 280 °C (varies with fill fluid) Silicone oil:
-40 to 180 °C
Fluorine oil: -10 to 120 °C Fluorine oil:
-10 to 120 °C
Range of operating pressures for liquid part
(Varies with temperature)
Silicone oil
General purpose and high temperature models:
from 2 kPa abs
Silicone oil
General purpose and high temperature models: from 2 kPa abs
High temperature vacuum and high temperature high vacuum models: 0.13 kPa abs
Silicone oil:
from 2 kPa abs
Fluorine oil:
from 53 kPa abs
Fluorine oil:
from 53 kPa abs
Fluorine oil:
from 54 kPa abs
Wetted material SUS316 (diaphragm SUS316L), Hastelloy C, Tantalum SUS316 (diaphragm SUS316L)
Power 17.9 to 42V DC
Output signal 4 to 20 mA DC (SFN communication), 4 to 20 mA DC (HART® communication)
Process connections Flush type: 80 mm Flush type: 80 mm, 50 mm, 40 mm Button diaphragm type
Protruding type: 100 mm Protruding type: 100 mm, 80 mm, 50 mm 2B wafer type
2B wafer type 2B wafer type
Safety certification Safety Integrity Level (SIL) 2 certification

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