The Rosemount 644 temperature transmitter features microprocessor and ease-of-use improvements, as well as a modular design that enables customized functionality at each process point. Features include:
- 热备份
—确保如果主要传感器失效，第二个传感器会无缝接管以防止测量失败。 - Sensor drift alert
—检测到传感器反馈并通知用户。 - 热电偶降解
—监视热电偶环的健康。 - Single- or dual-sensor Inputs including RTD, thermocouple, mV and Ohm.
- Minimum and maximum tracking via software or diagnostic tools.
The 644 series transmitters are available in head and DIN rail mounting styles and are HART, FOUNDATION Fieldbus and Profibus PA compatible. The 644 is also now SIS SIL 2 certified to comply with IEC 61508.
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