诺基亚的个人私家通讯器(Communicator)是一款商务手机，体积要比如今一样寻常的手机大一号，线条流畅，灰色的造型非常酷。它的表现屏非常大，可以表现整个 网页。
基于376个网页-相关网页
为了使375现场通讯器正常工作，HART回路中必须至少存在250欧姆的电阻。
In order for the 375 Field Communicator to function properly, a minimum of 250 ohms resistance must be present in the HART loop.
一个典型通讯器的有效范围是50公里，但接入庞大的卫星通讯网可以使这个范围扩大。
A typical comlink has a range of 50 kilometers, though this range can be extended by tapping into expanded satellite communications networks.
使用适当的连接器将375现场通讯器与仪器或负载电阻并联。HART连接不对极性敏感。
Connect the 375 Field Communicator with the appropriate connectors in parallel with the instrument or load resistor. The HART connections are not polarity sensitive.
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