The electrical components that the pressure transmitter feels pressure are generally resistance strain gauges, which are sensitive devices that convert the pressure on the device under test into an electrical signal. The most widely used resistance strain gauges are metal resistance strain gauges and semiconductor strain gauges. The metal resistance strain gauge has two kinds of filament strain gauges and metal foil strain gauges. Usually, the strain gauge is tightly bonded to the mechanical strain matrix by a special adhesive. When the stress changes due to the force of the substrate, the strain gauges are also deformed together, so that the resistance of the strain gauge changes, thereby adding The voltage across the resistor changes.

Main performance

1. It can measure oil, water and paste compatible with 316 stainless steel and 304 stainless steel with a wide range of anti-corrosion ability.

2, high accuracy, high stability, the use of imported original sensors, good linearity, high temperature stability;

3, small size, light weight, installation, commissioning, easy to use;

4, stainless steel fully enclosed shell, waterproof;

5. The pressure sensor directly senses the measured liquid level pressure, and is not affected by the foaming and deposition of the medium.

The main advantage

1. The pressure transmitter has the characteristics of reliable operation and stable performance;

2, dedicated V / I integrated circuit, fewer peripheral devices, high reliability, Henan Minghai Optoelectronics Technology Co., Ltd. maintenance is simple, easy, small size, light weight, installation and commissioning is extremely convenient;

3, aluminum alloy die-casting shell, three-terminal isolation, electrostatic spray protection layer, durable;

4, 4-20mA DC two-wire system signal transmission, strong anti-interference ability, long transmission distance;

5, LED, LCD, pointer three indicator head, the field reading is very convenient. Can be used to measure viscous, crystalline and corrosive media;

6, high accuracy, high stability. In addition to the original imported sensor has been corrected by laser, Henan Minghai Optoelectronics Technology Co., Ltd. finely compensates for the comprehensive temperature drift and nonlinearity of the whole machine within the operating temperature range.