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mini Digital Pressure Transducer

time£º2018-11-16 16:52    source£ºoem pressure sensor

 3051 pressure transmitter

How it works
During operation, the high- and low-pressure isolation diaphragms and the filling liquid transfer the process pressure to the filling liquid, and the filling liquid then transmits the pressure to the sensor diaphragm in the center of the sensor. The sensing diaphragm is a tensioned elastic element whose displacement varies with the pressure applied (for GP gauge transmitters, atmospheric pressure acts as if it were applied to the low pressure side of the sensing diaphragm). AP pressure transmitter, the low pressure side always maintains a reference pressure. The maximum displacement of the sensing diaphragm is 0.004 inches (0.1 mm), and the displacement is proportional to the pressure. The capacitive plates on both sides detect the position of the sensing diaphragm. The difference in capacitance between the sensing diaphragm and the capacitor plate is converted to the corresponding current, voltage or digital HART (High Speed ​​Addressable Remote Transmitter Data Highway) output signal.
Performance Analysis Editor
3051C, Gauge and Absolute Pressure Transmitters [1]
Excellent performance: Accuracy 0.075% Turndown 100:1
Differential pressure: Calibration range from 0.5inH2O to 2000psi
Gauge pressure: Verification range from 2.5inH2O to 2000psi
Absolute pressure: calibration range from 0.167 psia to 4000 psia
Process isolation diaphragm: stainless steel, Hastelloy CR, Monel R, îã (CD, CG only) and gilded Monel
Compact, rugged and lightweight, easy to install
3051T Gauge and Absolute Transmitter
Excellent performance: precision 0.075%
Absolute pressure: calibration range from 0.3 to 10,000 psi
Gauge pressure: Calibration range from 0.3 to 10,000 psi
Stainless steel and Hastelloy CR process isolation diaphragm
Single isolation diaphragm design
Filling liquid: silicone oil and inert oil
Optional DIN and Autoclave matching process connections
3051L Level Transmitter
Level measurement accuracy up to 0.075%
Verification range from 2.5inH2O to 8310inH2O
Flat, 2-, 4-, and 6-inch Extended Diaphragm
A variety of optional filling fluid can meet the requirements of different occasions
Small and lightweight, easy to install and maintain
Wetted parts material: stainless steel, Hastelloy and tantalum
3051H High Process Temperature Pressure Transmitter
Measurable process temperatures up to 375°F (191°C) without the use of a remote seal or capillary
Accuracy 0.075%, 100:1 turndown ratio
Temperature effect and time response decrease in high temperature applications
Sensing membrane head and circuit board are the same as type 3051C
3051P Reference Pressure Transmitter
Accuracy 0.05% - The highest precision pressure transmitter
Ideal product for custody transfer, financial calculation and distribution measurement
Unmatched performance, eliminating the need to stock multiple transmitters
Reduced temperature effect without separate jacket
Can be used for differential pressure and gauge pressure measurement
3051C Low Power Pressure Transmitter
The world's only intelligent low power pressure transmitter
High performance, accuracy 0.075%
Differential pressure, gauge pressure, and absolute pressure
Full functionality of the 3051C, including a true digital meter
6 to 12V DC power supply
Power consumption is 18 to 36mW, while a typical 4-20mA transmitter consumes more than 200mW
0.8-3.2V and 1-5V output selectable
Sensing membrane head is the same as the standard (4-20mA) 3051C type

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