Pressure Sensor Connection
What is a pressure sensor?
A pressure sensor is a device or device that can sense a pressure signal and can convert a pressure signal into an available electrical signal in accordance with a certain law.
Types of pressure sensor:
The pressure sensor is usually composed of a pressure sensitive element and a signal processing unit. According to the different test pressure type, the pressure sensor can be divided into gauge pressure sensor, differential pressure sensor and absolute pressure sensor.
Application of a pressure sensor:
Pressure sensor is one of the most commonly used sensors in industrial practice. It is widely used in various industrial environment, which involves water conservancy and hydropower, railway transportation, intelligent building, production control, aerospace, military, petrochemical, oil well, electric power, ship, machine , Pipelines and many other industries, the following brief introduction to some commonly used sensor principle and its application. Another medical pressure sensor.
Pressure sensor wiring has always been the customer procurement process consulting one of the most problems, many customers do not know how to connect the sensor, in fact, a variety of sensor wiring are basically the same, the pressure sensor is generally two-wire, three-wire system, Four-wire system, and some five-wire system.
Pressure sensor thread there are many, there are common NPT, PT, G, M, are pipe thread.
NPT is National (American) Pipe Thread abbreviation, belonging to the US pressure sensor standard 60 degree tapered pipe thread, used in North America. National standard can refer to GB / T12716-1991
PT is the abbreviation of Pipe Thread, is 55 degrees sealed cone thread, Wyeth pressure sensor thread family, used in Europe and Commonwealth countries. Commonly used in water and gas pipe industry, the taper is set at 1:16. National standards can be found in GB / T7306-2000
G is a 55 degree non-threaded sealing tube thread, which is a Wyeth pressure sensor thread family. Marked as G for cylindrical threads. National standards can be found in GB / T7307-2001
M is a metric ordinary thread, such as M20 * 1.5 that diameter of 20mm, pitch 1.5, if the customer has no special requirements, the pressure sensor is generally M20 * 1.5 thread.
The other 1/4, 1/2, 1/8 mark in the thread is the diameter of the thread, in inches. The insiders usually use the points to refer to the thread size, one inch is equal to 8 points, 1/4 inch is 2 points, and so on. G seems to be pipe thread collectively (Guan), 55,60 degrees division of the functional, commonly known as the circle. The thread is made of a cylindrical surface.
ZG commonly known as the cone, that is, the thread from a conical processing, the general water pipe pressure joints are like this, the old national standard note for the Rc
The metric thread is represented by the pitch, and the number of threads in the inch is indicated by the number of threads per inch. This is the biggest difference between the thread of the pressure sensor, the metric thread is the 60 degree side type, the inch thread is the isometric waist 55 degrees, US-made thread 60 degrees. Metric thread with metric units, the United States and Britain thread with British units.
Pipe thread is mainly used for the connection of the pressure pipe, the internal and external thread with the close, the pressure sensor tube thread with straight tube and cone tube two. Nominal diameter refers to the diameter of the connected pipe, and it is clear that the diameter of the thread is larger than the nominal diameter. 1 / 4,1 / 2,1 / 8 is the nominal diameter of the inch thread, in inches.
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