Honeywell STR74G Transmitter

Honeywell STR74G transmitter is a high-performance, high-stability intelligent pressure transmitter with good anti-corrosion and explosion-proof performance, and can be widely used in various demanding industrial process control scenarios. Its advantages such as flexible turn down ratio, multiple measurement modes and communication protocols make it advantageous in many application fields. High reliability and excellent cross-temperature performance can effectively improve production efficiency and reduce maintenance costs.

Function

1. Based on Honeywell's proprietary Silicon-on-Insulator (SOI) technology, this transmitter can achieve 0.075% high precision and provide 10-year long-term stability, thus meeting the needs of highly accurate pressure measurement.

2. It provides a variety of measurement ranges and adjustable ranges to meet different engineering needs. Users can perform on-site configuration and display through surface display and configuration tools, which is convenient for operation.

3. The transmitter features a universal design that mates to a variety of metric and imperial process connections without adapters. The output signal conforms to the HART communication protocol and can be seamlessly connected with various fieldbus systems.

4. STR74G transmitter has IP67 protection level, suitable for various harsh environments. At the same time, it has passed the safety integrity certification of SIL3 level, which ensures the reliability of the transmitter in critical safety systems.

5. Due to the modular design, the transmitter is easy to maintain and replace when a failure occurs, reducing operating costs.

In terms of performance, the measurement range of the Honeywell STR74G transmitter can be customized according to the specific needs of users, and the maximum pressure can withstand 100psi. Its sensor adopts advanced wire resistance sensor and single-chip microcomputer technology, which realizes fast, accurate and stable measurement and conversion of process pressure. Compared with other traditional pressure transmitters, STR74G transmitter has higher output stability and lower drift rate. In addition, a variety of calibration techniques are used to achieve a wide range ratio and high reliability, which greatly improves the flexibility of the process.

Remote Seal/ Transmitter Span & Range Limits

In order to improve the adaptability of the use environment, Honeywell STR74G transmitter has good anti-interference and durability. Not only has a certain resistance to electromagnetic interference such as magnetic field, static electricity, and electromagnetic waves, but also is suitable for harsh environments such as high temperature, high humidity, and high pollution. Its operating temperature range is -40 °C to 85 °C, and the relative humidity range is 0% to 100%. It has the characteristics of explosion-proof and waterproof, and meets the requirements of international explosion-proof standardization.

Typical Diaphragm Seal Applications

1. High Process Temperatures

2. Viscous or Suspended Solids

3. Highly Corrosive Process Materials

4. Sanitary Applications

5. Applications with Hydrogen Permeation Possibilities

6. Level Applications with Maintenance Intensive Wet Legs

7. Applications requiring remote Transmitter Mounting

8. Tank Applications with Density or Interface Measurements

Honeywell STR74G transmitter is made of stainless steel, which has good corrosion resistance. The shell has an LED screen, which can conveniently display the process pressure data. At the same time, the parameters can be set through the portable HART handheld operator. When communicating with other smart devices, remote configuration and data collection can be realized, which is convenient for on-site operation and maintenance.

In terms of safety performance, the STR74G transmitter has passed the SIL2 safety certification, and has various protection functions such as overvoltage, overcurrent and radiation to ensure safety and reliability during work. The electrical connection interface adopted has good anti-seismic performance and is convenient and quick to plug in and out. The overall design is compact and flexible, suitable for various on-site installation conditions.

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