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Wuxi Maoshang Electronic Technology Co., Ltd
-0.1MPa-0.1MPa vacuum pressure transmitter
NegotiableUpdate on 05/19
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Overview
High temperature steam pressure transmitter is a high-performance pressure transmitter designed for harsh on-site environments, with advantages such as high accuracy, good stability, small size, and high cost performance. Small size, light weight, using 316L stainless steel core and 304 stainless steel shell, diverse pressure interface forms, diverse output signal forms, adjustable on site, and can be displayed. Installation problem of steam pipeline pressure transmitter $r $n
Product Details
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main points | |||||||||
High stability, better than 0.1% of full scale per year. | |||||||||
Due to the removal of the intermediate liquid in the measuring element, the sensor not only achieves high measurement accuracy but is also less affected by temperature. | |||||||||
Good reliability, using large-scale ICs, good circuit reliability, and strong anti-interference performance. | |||||||||
◆ Wide applicability: The product has multiple models, various process connection forms, and multiple manufacturing materials, which can adapt to various media in industrial measurement. | |||||||||
Easy installation and maintenance. The product has a reasonable structure, small size, and light weight, and can be installed directly at any position. | |||||||||
working principle | |||||||||
The instrument converts the temperature signal into an electrical signal through a temperature sensor, which is then amplified and filtered by a preamplifier before being sent to the A/D conversion module of the CPU for analog-to-digital conversion. Afterwards, the CPU performs data processing, displays and outputs PWM signals. The schematic diagram is as follows: | |||||||||
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The pressure of the measured medium directly acts on the ceramic diaphragm of the sensor, causing the diaphragm to produce a small displacement proportional to the pressure of the medium. Under normal working conditions, the displacement of the diaphragm is not greater than 0.025 millimeters. After the electronic circuit detects this displacement, it is converted into a standard industrial measurement signal corresponding to this pressure. When overpressure occurs, the diaphragm is directly attached to a sturdy ceramic substrate. Due to the gap between the diaphragm and the substrate being only 0.1 millimeters, the displacement of the diaphragm during overpressure can only be 0.1 millimeters, ensuring that the diaphragm will not undergo excessive deformation structurally. This sensor has good stability and high reliability. | |||||||||
Technical Specifications | |||||||||
Accuracy level 0.5 | |||||||||
◆ Return difference 0.1% FS | |||||||||
Temperature impact ± 0.1%/10 ℃ | |||||||||
Working voltage: DC 13V~30V | |||||||||
Annual stability ± 0.2% | |||||||||
◆ Signal output 4-20mA | |||||||||
◆ Allowable overvoltage range of 150% | |||||||||
◆ Dimensions 120 × 60 × 100 max | |||||||||
◆ Pressure range 200% | |||||||||
◆ Allowable temperature medium -20~70 ℃ environment -20~80 ℃ |
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