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Why does a thermocouple need cold junction compensation?

Thermocouples are widely used as temperature sensor elements in industrial and scientific applications due to their ruggedness, wide temperature range, and fast response time. However, a common challenge with thermocouples is the need for cold junction compensation. The Thermocouple produces a vo... Read More

The Approach of Liquid Level Measurement Using Pressure Sensor

The measurement of liquid level is a vital aspect in various industries such as manufacturing, chemical, and oil & gas. Precise level measurement is essential for process control, inventory management, and environmental safety. One of the most practical methods for liquid level measurement is... Read More

High Temperature Pressure Transmitter Use on Industrial Operating Sites

High temperature pressure transmitters are one of essential components in industrial automation and process control, particularly in high temperature operating environments. These Instruments are designed to withstand extreme conditions and provide accurate pressure measurements, making them indi... Read More

Pt100 RTD in Industrial Applications

Resistance Temperature Detector(RTD), also know as thermal resistance, is a temperature sensor operating on the measurement principle that electrical resistance of the sensor chip material changes with temperature. This feature makes RTD a reliable and accurate sensor for measuring temperature in... Read More

Brief Understanding of Immersion Level Transmitters

Level measurement is critical in a variety of industrial processes to ensure optimal performance and safety. One of the major types are immersion level transmitters. The instruments can play a key role in accurately measuring liquid levels in tanks, reservoirs, and other containers. The principl... Read More

Improving Pressure Measurement Accuracy in the Dairy Industry Using Flat Diaphragm Pressure Sensors

In dairy production, maintaining the accuracy and precision of pressure measurements is critical to ensuring product quality and safety. In the dairy industry, pressure transmitters play a vital role in a variety of applications such as monitoring and controlling production processes, ensuring eq... Read More

Concept of pressure types, sensor and transmitter

Pressure: The force of fluid medium acting on unit area. Its statutory unit of measurement is pascal, symbolized by Pa.  Absolute pressure(PA): Pressure measured based on absolute vacuum(zero pressure). Gauge pressure(PG): Pressure measured based on actual atmosphere pressure. Sealed pressure(PS)... Read More

How to select appropriate transmitter model

Shanghai WangYuan is a professional manufacturer of industrial control instrumentations for over 20 years. We have a wealth of experience in providing our customers with customized transmitter models that perfectly suit the requirements and on-site operating condition.  Here are some instructions... Read More

Introduction to Intelligent LCD Local Indicator for 2088 Terminal Box

The Intelligent LCD Local Display adapts to transmitters with 2088 terminal box  (e.g. WP401A pressure transmitter, WP311B level transmitter, Customized WB temperature transmitter) and only applicable for output signal of 4~20mA with HART protocol. The LCD  supports dual-variable display and vari... Read More

Notes for Routine Operation and Maintenance of Measurement Insturments

1. Conduct regular check and cleaning, avoid moisture and dust accumulation. 2. The products belong to precision measurement instruments and ought to be calibrated periodically by relevant metrological service. 3. For ex-proof products, only after the power supply is disconnected can the cover be... Read More

Mounting notes for Instruments of Measurement

1. Check if the information on the nameplate(Model, Measuring range, Connector, Supply voltage, etc.) is consistent with on-site requirements before mounting. 2. Discrepancy of mounting position may cause deviation from zero point, the error however can be calibrated and therefore would not affec... Read More

Introduction to common models of level transmitters

1. Float Float type level transmitter is the simplest traditional method utilizes a magnetic float ball, floater stabilizing tube and reed tube switch. The reed switch is installed in the airtight non-magnetic tube  which penetrating hollow float ball with interal magnet ring. The float ball woul... Read More
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