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从哪些参数来评价betway必威体育?

时间:2017-11-08 10:59?? 编辑:济南仁硕电子科技有限企业 点击:

  1、精度:

  betway必威体育的精度主要取决于所采用传感芯片,目前普遍的变送器的精度温度在±0.3℃, 湿度在±2%(25℃),部分进口高端产品可以达到0.1℃和1%的温湿度精度,根据应用场合的要求,选择相应的精度等级,对于常规应用,如机房环境、农业大棚养殖场、生产车间等0.5℃和4%的温湿度精度足以满足要求,至于实验室等高要求场所也有运用高精度产品的,当然精度越高价格越贵。

  2、测量范围:

  一体式的betway必威体育,测量范围除了考虑传感芯片本身的测量范围,还需综合考虑变送器本身电路上各种芯片的工作条件要求,一般壁挂式在-20~80℃,湿度0~90%,管道式温度可以-40~120℃,湿度0-100%的范围,为了拓宽壁挂式测量范围,也可采用分体式的变送器。

  3、工作电源:

  常见的一般为12~36VDC/VAC供电,为保证信号的稳定性,暂时没有AC220V供电的变送器。

  betway必威体育的选型

  根据现场情况正确选型betway必威体育至关重要,主要考虑几个方面:精度合适,工作条件合理,输出信号正确,安装方式正确即可。目前市面上betway必威体育的品牌较多,品质也参差不齐。做的好也有不少,根据技术的发展趋势,无线www.betway883.com势必会取得更大的市场份额,目前成熟RS485结构型的变送器,对于多点温湿度测控的场合也有着不可替代的优势。

  应用领域:

  医药化工通讯机房HVAC暖通空调、 环境监测电信基站图书、档案馆、 洁净厂房智能楼宇超市、 生产车间、 工业自动化、 医疗、 气象、 暖气空调、 除湿、 控湿、 农业及相关温湿度检测控制行业等。

  1, accuracy:

  The precision of temperature and humidity transmitter mainly depends on the sensor chip, the temperature precision universal transmitter at - 0.3 DEG C, humidity at + 2% (25 C), temperature and humidity precision parts imported high-end products can reach 0.1 DEG C and 1%, depending on the application requirements, select the corresponding precision grade, for routine the application, such as temperature and humidity precision room environment, agricultural greenhouse farms, production workshop 0.5 C and 4% is enough to meet the requirements for the laboratory requirements of high places also have to use high precision products, of course, the higher the precision of the more expensive.

  2. Measurement range:

  Temperature and humidity transmitter integrated measuring range, in addition to considering the measurement range of sensor chip itself, the need to consider the requirements of the transmitter circuit chip itself various working conditions, the general wall mounted at -20~80 DEG C, humidity 0~90%, temperature humidity range of pipeline can be -40~120 C, 0-100%, in order to broaden the wall type measuring range, can also be the transmitter split.

  3. Working power supply:

  Common is 12~36VDC/VAC power supply, in order to ensure the stability of the signal, there is no AC220V power supply transmitter.

  Selection of temperature and humidity transmitter

  It is very important to choose the temperature and humidity transmitter correctly according to the field situation. The main aspects are as follows: the accuracy is correct, the working condition is reasonable, the output signal is correct, and the installation method is correct. At present, the market temperature and humidity transmitter brand more, quality is uneven. Do well there are many, according to the development trend of technology, wireless temperature and humidity sensor is bound to achieve greater market share, the mature structure of RS485 type transmitter, for multi-point temperature and humidity control occasions have irreplaceable advantages.

  Application domain:

  Pharmaceutical and chemical communication room HVAC HVAC, environmental monitoring of Telecom base station books, archives, clean workshop intelligent supermarket, production workshop, industrial automation, medical, meteorology, air conditioning, heating and dehumidification, humidity control, agriculture and related industries such as temperature and humidity measurement and control.

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