Which domestic pressure transmitter is good

The Rosemount 3051GP pressure transmitter is one of the series of pressure transmitters from the American company Rosemount, which has been tested in the power industry for 40 years. A design with high reliability, long-term stability, and easy maintenance. The measurement concept of standardization can be achieved from design to installation, maintenance to operation.

Rosemount 3051 pressure transmitter from the United States is the most advanced pressure measurement product in the industrial field. At present, there are four factories in the world that provide original 3051 transmitters, with Beijing Far East Rosemount * Co., Ltd. and Singapore Rosemount Private Limited supplying to China. Among them, 1151 original products are only provided by Beijing Far East Rosmon Co., Ltd. Any other company claiming to be unrecognized by Rosemount Inc.

　pressure range

0.075% reference accuracy from 0-1.5psi to 0-4000psi (from 0-10 to 0-27580kPa), including linearity, hysteresis, and repeatability

Range ratio reaches 100:1

Lightweight and compact size help achieve easy installation and handling

Under actual process conditions, it can achieve a stability of 5 years

　Performance Specifications

Zero based range, reference conditions, silicone oil filling solution, and 316L stainless steel isolation diaphragm. ）

　　Reference accuracy

± 0.075% calibration range. The comprehensive effects include linearity, hysteresis, and repeatability.

For ranges with a range ratio less than 5:1, accuracy=± [0.025+(0.01) (URL/range)]% range

　Environmental temperature impact

The overall impact is expressed as follows:

± (0.15% URL+0.15% range)/50 ° F (28 ° C)

The ambient temperature range is from -40 ° F to 185 ° F (-40 ° C to 85 ° C)

　stability

For temperature changes of ± 50 ° F (28 ° C), reach ± 0.125% URL within 5 years.

　vibration impact

Only considering the influence of resonance frequency, other vibration effects are ignored. Under resonance, a vibration of 15-2000 Hz is applied at any angle to the axial direction of the pipeline for testing, and the vibration effect is less than ± 0.1% URL/g

　　Power supply impact

Less than ± 0.01% calibrated range/volt

　Installation location impact

Zero drift can reach 2.5 inH2O (63.5 mmHg), but it can be corrected. No range influence.

　　Radio frequency interference (RFI) impact

Less than ± 0.25% upper range limit (URL) (20-1000MHz, 30V/m, with piping for leads). Less than ± 0.25% range upper limit (URL) (20-1000MHz, 10V/m, using unshielded twisted pair, no piping).

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