Common problems and solutions of pressure transmitter

During the pressure transmission process, the pressure transmitter may have problems such as zero output. The editor summarizes the following reasons for the error of the pressure transmitter and the corresponding solutions for everyone:

Condition 1. When the pressure transmitter output is zero:

a. Check if the power polarity is reversed

b. Short-circuit the test terminal and check whether the diode in the shell is good or bad

Condition 2. When the pressure transmitter cannot communicate:

a. Check the power supply voltage on the transmitter

b. Check the load resistance

c. Replace the electronic circuit board

Condition 3. When the pressure transmitter reading is high or low:

a. Check the reading of the pressure variable

b. Adjust 4-20mA output

c. Replace the electronic circuit board

d. Check whether there is a blockage during pressure input

e. Check and test equipment

f. Perform sensor adjustment

Condition 4. When the output pressure of the pressure transmitter does not respond:

a. Check the power supply voltage of the transmitter

b. Check and test equipment

c. Proofreading calibration settings (4 and 20mA points)

d. Replace the electronic circuit board

Condition 5. When the pressure transmitter reading is irregular:

a. Check whether the pressure input is blocked

b. Check the electromotive force interference

Condition 6. When the output signal of the pressure transmitter is unstable:

a. The pressure source itself is an unstable pressure

b. The anti-interference ability of the instrument or pressure transmitter is not strong

c. The pressure transmitter wiring is not strong

d. The pressure transmitter itself is very vibrating

e. The pressure transmitter itself is faulty

Condition 7. When there is no output display after the pressure transmitter is connected to power:

a. Connect the wrong wire (the instrument and sensor must be checked)

b. Open or short circuit of the wire itself

c. The power supply has no output or the power supply does not match

d. The instrument is damaged or the instrument does not match

e. The pressure transmitter itself is damaged

Nanjing Wotian Technology Co., Ltd. was established in 2005. It is a national high-tech enterprise, a private scientific and technological enterprise in Jiangsu Province, a special and special small and medium-sized enterprise in Nanjing, and an outstanding private enterprise in Jiangning District. The company was rated as Nanjing Engineering Technology Research Center and Nanjing. Municipal Engineering Research Center, Nanjing Enterprise Technology Center, Nanjing Postdoctoral Innovation Demonstration Base; is the unit that formulated the national standards for "Silicon Piezoresistive Pressure Sensitive Chips" and "Silicone Pressure Sensors".

The company specializes in the production of pressure sensors. It is a domestic heavy-weight pressure sensor manufacturer. It has the core technology of diffused silicon pressure sensors and glass micro-melted pressure sensors. It has 305 employees, annual output of 2 million diffused silicon pressure sensors, and more than 70 products for export. Countries and regions. The company has factories in Nanjing and Anshan. The headquarters is in the scenic Nanjing Jiulong Lake International Headquarters Base. The foreign trade team is in Shenyang, the center of the Northeast Heavy Industry Base. Nanjing Wotian was awarded the honorary title of "Sensor Application Program Demonstration Enterprise" by the Ministry of Industry and Information Technology in 2019.