The main functions of OYK300 intelligent pressure switch include 4-20mA transmission output, two PNP switching outputs, and on-site display function, Using SMT technology and integrated design concept, it can provide constant voltage excitation and constant current excitation for the sensor, its built-in microprocessor realizes adjustable settings of zero point, full scale, decimal point, control point and current setting through three-but.ton programming. , without any potentiometer adjustment. The whole machine is suitable for industrial grade temperature environments and has strong anti-interference.

QYB102 adopts 2088 industrial explosion-proof shell,uses high performance, high stability pressure sensor asthe pressure signal measuring element. The sensorsignal is converted into standard signal output throughspecial signal processing.The product has passedlong-term aging and stability screening with stable andreliable performance and can be used in harsh outdoorenvironment. it has special wiring terminals and digitaldisplay,making installation, calibration and maintenance easy. This series of products is suitable for petro-leum, water conservancy, chemical industry, metallurgy,electric power, light industry, scientific research, envi-ronmental protection, etc various enterprises and insti-tutions. to realize fluid pressure measurement and suitable forvarious occasions, all-weather environment andvarious corrosive fluids.

QYB401 monocrystalline silicon differential pressure transmitter adopts a monocrystalline silicon sensor chipmade of Germany's advanced MEMS technology. it has a double-diaphragm structure and combines with exquisite production technology to achieve high accuracy and ultra-high stability of the product. The built-in intelli.gent signal processing, module realizes the perfect combination of pressure and temperature compensation.providing reliable measurement accuracy and excellent long-term stability under a wide range of static pressure and temperature changes.

QYB180 Sanitary Pressure Transmitter is designed for food grade pressure measurement. The pressure diaphragm of transmitter is made with silicon material, while its wetted parts are made by 316 stainless steel which possesses a higher degree of resistance against chemical corrosion.

The output signals of QYB180 pressure transmitters are configured to meet the need of different controllers used in industrial automation processes, including 4~20mA, 0~5V/10V, RS485.

It is widely used in field pressure measurement and control of industrial processes such as petroleum, chemical industry, metallurgy, electric power and hydrology.

.Can be rotated 330°in the longitudinal axis and display

Tight installation spaces

.4-digit LED display, adjustable via keypad

2 PNP-transistor switching outputs

.Load capacity is 1.2A

Analog signal output(4~20mA)

QYB162 series pressure transmitter using import pressure sensor. Temperature compensation of laser resistor trimming by using computer, integrated wiring box design. With special terminal and digital display, installation, calibration repair are convenient. This series of products suitable for petroleum, chemical, metallurgy, electric power, water conservancy, scientific research, environmental protection and other various enterprises and institutions, to realize the measurement of fluid pressure and is suitable for various occasions all-weather environment and all kinds of corrosive fluid.

QYB161 Micro differential pressure transmitter adopts all-digital smart board and assembles SMi all-digital imported chip. High stability, good dynamic measurement performance, etc. Configure high-performance microprocessor to correct sensor nonlinearity and temperature drift，Accurate digital

data transfer, field device diagnostics, remote two-way communication, etc. This transmitter has a wide range to meet the needs of various users. It is widely used in various fields of metallurgy, machinery, petroleum, chemical, power station, light industry, food, environmental protection, national defense and scientific research.

QYB160 Differential pressure transmitter uses silicon differential pressure sensors with 316L stainless steel isolated diaphragm as measuring elements. Made from all stainless steel housing. This product has widely been used for measure of differential pressure of pipeline fluids in petroleum industry, chemical industry, electric power hydrology etc & suitable for application in harsh environment and measurement with corrosive pressure media.

The QDB118 Digital pressure gauge is full electronic-structure and battery-powered. A high-precision piezo-re-

sistive pressure sensor is used. It has benefits: flexible use, simple operation, easy debugging, safe,reliable etc.

It is being widely used to measure and display the pressure of the medium in hydro-power, water, petroleum,

chemical, mechanical, hydraulic and other industries.

QYB400 intelligent pressure transmitter adopts a modular design with a microprocessor as the core and ad.vanced digital isolation technology in circuit design, making the instrument highly anti-interference and stableThe built-in temperature sensor compensates the transmitter, improves measurement accuracy, reduces tem.perature drift, and has the characteristics of good long-term stability, high reliability, and strong self-diagnosiscapability.Structurally, users can easily calibrate,set and configure the transmitter through the HART communi-.cation handheld terminal.
It measuring pressure and level in pipes and tanks, electricity/city gas, pulp/paper, for furnace pressure, etc.

The QYB101 uses ceramic pressure core as sensitive element, uses high stability full digital circuit, and integrated stainless steel structure design. Suitable for compressors, refrigeration systems, pneumatic systems, equipment matching