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Industry Information
Ceramic level transmitter is a deformed product in the DBS series
2012-2-28 10:52:21

● Introduction

是DBS系列产品中的变形产品。 HN-DBS300 screw-in ceramic level transmitter is a deformed product in the DBS series. Available with and without field indicator. There are two types of process connection: G1 1/2 and G2 external threads.
The screw-in ceramic level transmitter has high accuracy, long-term stability, wide operating temperature range, strong overload resistance, small size, flush diaphragm structure, no accumulation, no blockage, easy cleaning, and easy installation. The screw-in ceramic level transmitter is widely used in various industries to measure the pressure of viscous liquids, gases, and steam, and is particularly suitable for pressure measurement in the pharmaceutical, health, and food industries.

原理抗腐蚀的陶瓷压力传感器没有液体的传递,压力直接作用在陶瓷膜片的前表面,使膜片产生微小的形变,厚膜电阻印刷在陶瓷膜片的背面,连接成一个惠斯通电桥(闭桥),由于压敏电阻的压阻效应,使电桥产生一个与压力成正比的高度线性、与激励电压也成正比的电压信号,标准的信号根据压力量程的不同标定为2.0 / 3.0 / 3.3 mV/V等,可以和应变式传感器相兼容。 ● Principle of ceramic liquid level transmitter The corrosion-resistant ceramic pressure sensor has no liquid transmission. The pressure directly acts on the front surface of the ceramic diaphragm, causing the membrane to deform slightly. Thick film resistors are printed on the back of the ceramic diaphragm and connected. It becomes a Wheatstone bridge (closed bridge). Due to the piezoresistive effect of the varistor, the bridge generates a highly linear voltage signal proportional to the pressure and proportional to the excitation voltage. The standard signal is based on the pressure range. Different calibrations are 2.0 / 3.0 / 3.3 mV / V, etc., which are compatible with strain gage sensors. Through laser calibration, the sensor has high temperature stability and time stability. The sensor has a temperature compensation of 0 ~ 70 ℃, and can directly contact most media.
Ceramic is a recognized material with high elasticity, corrosion resistance, wear resistance, shock resistance and vibration. The thermal stability of ceramics and its thick film resistance can make its operating temperature range as high as -40 to 135 ° C, and it has high accuracy and stability for measurement. The degree of electrical insulation is> 2kV, the output signal is strong, and the long-term stability is good. High-performance, low-price ceramic sensors will be the development direction of pressure sensors. There is a trend to replace other types of sensors in Europe and the United States. More and more users in China use ceramic sensors to replace diffused silicon pressure sensors.
Principle and application of ceramic pressure sensor:

The anti-corrosive ceramic pressure sensor has no liquid transmission. The pressure directly acts on the front surface of the ceramic diaphragm, causing the membrane to deform slightly. The thick film resistor is printed on the back of the ceramic diaphragm and connected to a Wheatstone bridge (closed). Bridge), due to the piezoresistive effect of the varistor, the bridge generates a highly linear voltage signal proportional to the pressure and proportional to the excitation voltage. The standard signal is calibrated to 2.0 / 3.0 / 3.3 according to the pressure range. mV / V, etc., compatible with strain gage sensors. Through laser calibration, the sensor has high temperature stability and time stability. The sensor has a temperature compensation of 0 ~ 70 ℃, and can directly contact most media.

Ceramic is a recognized material with high elasticity, corrosion resistance, wear resistance, shock resistance and vibration. The thermal stability of ceramics and its thick film resistance can make its operating temperature range as high as -40 to 135 ° C, and it has high accuracy and stability for measurement. The degree of electrical insulation is> 2kV, the output signal is strong, and the long-term stability is good. High-performance, low-price ceramic sensors will be the development direction of pressure sensors. There is a trend to replace other types of sensors in Europe and the United States. More and more users in China use ceramic sensors to replace diffused silicon pressure sensors.


主要技术指标测量范围相对压力最大测量范围0-40MPa 最小测量范围0-1KPa 绝对压力 最大测量范围0-40MPa ● Main technical indicators of ceramic level transmitters Measurement range Relative pressure Maximum measurement range 0-40MPa Minimum measurement range 0-1KPa Absolute pressure Maximum measurement range 0-40MPa
Minimum measurement range 0-1KPa Negative relative pressure Maximum measurement range -1 ~ 2.4MPa Minimum measurement range -1KPa ~ 1KPa


Process flange form

A DN50 L = 0mm PN1.6Ma 1Cr18Ni9Ti
B DN50 L = 50mm PN1.6Ma 1Cr18Ni9Ti
C DN50 L = 0mmPN1.6Ma 1Cr18Ni9Ti
D DN80 L = 50mm PN1.6Ma 1Cr18Ni9Ti
E DN50 L = 0mm PN1.6Ma Teflon
F DN50 L = 50mm PN1.6Ma Teflon
G DN80 L = 0mm PN1.6Ma Teflon
H DN80 L = 50mm PN1.6Ma Teflon

For details, please visit the official website of Jiangsu Dongxiang Instrument Co., Ltd .: http://zzyfwh.com