The fundamental function of the Rosemount 644 temperature transmitter is to make serious improvements based on extensive user feedback and application sensitivity requirements in various industries.
1. Power terminal placement: Now the power supply and communication terminals are placed at the bottom right of the equipment, and they can be loaded and removed without removing the LCD. This feature makes the process of cleaning up equipment faults or configuration changes easier and faster.
2. Improved the display of the local operation interface: The improvement of the display of the local operation interface greatly improves the convenience of use, it can add the number of characters displayed, and can complete the intuitive interactive equipment menu, which can be entered by pressing the button on the display panel.
3. The industry's first all-in-one transient protector: Rosemount temperature transmitters also introduce the IntegralTransient Protector. The industry's first compact device slides effortlessly onto the transmitter and is integrated into the housing, providing an ideal solution for head-mounted transmitters.
4. Transmitter wiring: The improvement of the position of the sensor termination screw and the clear sensor wiring diagram can improve the overall speed of the device. Rosemount engineers noted that many users felt that head-mounted temperature transmitters were difficult to wire due to their small size and space constraints. "We arranged the end screws of the sensors in an arc above the equipment, which made it easier to load and unload," she says. This change means that during the installation and commissioning phases, space for finger movement and wiring will be added. In addition, we have also enlarged the sensor wiring diagram to make it clearer and more unambiguous, ensuring that the first wiring is accurate. ”
Based on user claims, Rosemount temperature transmitters have added a number of new advanced features, including dual sensor inputs, SIS SIL 2 safety certification to IEC 61508 specifications, diagnostics with hot backup, sensor drift alarms, tracking of thermocouple degradation and min/max temperatures, protection, and improved accuracy and stability.
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A summary of methods for on-site inspection of Rosemount transmitter failures
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1. ...
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1、依据压力接口方式
一般以螺纹连接为标准接口方式。
2、依据需要的准确度等级
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典型现场安装
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