Gauge Pressure Transmitters


AT9000 Advanced Transmitter Gauge Pressure Transmitters (GTX**G series) are used to measure the pressure of gases, liquids, and steam, as well as to measure tank pressure and fluid levels. They achieve high accuracy of ±0.04 % and long-term reliability (zero drift of only ±0.1 % over 10 years), greatly reducing calibration work after installation. With their very wide measurement range (GTX60G: 35 to 3500 kPa, a rangeability of 1:100), they help to cut costs by reducing the number of devices needed.

Gauge Pressure Transmitters

Main specifications

Model GTX60G GTX71G GTX82G
Measurement span 17.5 to 3500 kPa 0.7 to 14 MPa 0.7 to 42 MPa
Setting range -100 to 3500 kPa -0.1 to 14 MPa -0.1 to 42 MPa
Reference accuracy
(Varies by material and measurement span)
±0.04% ±0.15% ±0.15%
Fill fluid Silicone oil (general purpose models), fluorine oil (oxygen and chlorine 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
Wetted material SUS316 (diaphragm SUS316L), Hastelloy C, Tantalum
Power 17.9 to 42V DC
Output signal 4 to 20 mA DC (SFN communication)
4 to 20 mA DC (HART® communication)
Process connections Rc 1/2 or 1/2 NPT internal thread
Safety certification Safety Integrity Level (SIL) 2 certification

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