公司动态

testo 400 智能型参比级多功能测量仪， 配有专业的测量程序，适用于高要求通风空调系统，室内空气质量，舒适度评估检测。","localOrderNoDynamic":"0560 0400","dynamicPictureMedias":[{"url":"/uploads/allimg/testo/testo-400-front-en.jpg","alt":"testo 400 Universal IAQ instrument"}],"relevantPrice":{"formattedGrossPrice":null,"formattedPrice":null,"showPrice":false,"onRequest":false},"productFeatures":null},{"code":"0563 0400 71","orderable":false,"url":"/testo400tao-zhuang-1han-san-gong-neng-re-xian-feng-su-tan-tou/p/0563-0400-71","whereToBuyUrl":null,"orderTextOnlineDynamic":null,"headlineOnlineDynamic":"testo 400 - 空调通风系统测量套装1（含三功能热线风速探头）","shortDescriptionOnlineDynamic":"testo 400空调通风系统测量套装1适用于专业的空调通风系统检测应用，，满足各类不同的风速，风量，压差，温湿度测量需求。 套装包含主机，热线风速探头（包括温度和湿度传感器），叶轮风速探头（Ø100mm）和高精度湿度/温度探头传感器，均可连接到蓝牙手柄，配置的伸缩杆及90°弯角适配器与风速探头配合使用，可轻松测量天花板风口。","localOrderNoDynamic":"0563 0400 71","dynamicPictureMedias":[{"url":"/uploads/allimg/testo/set-0563-0400-71.jpg","alt":"testo 400 air flow kit with hot wire 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详情：
使用热线风速探头确定通风管道或板出口和通风格栅的风速和风量。特别适用于低风速和中风速的测量，最大可测 +20 m/s的风速，该探头还可以同时测量高达+70 °C的温度。

探头配备了伸缩杆，最大可延伸到 820毫米长度，探头直径为 7.5 mm，非常适合带有小检测孔的通风管道。在测量仪器使用过程中，可以随时切换探头。
 

智能校准的概念

数字探头的读数处理是直接在探头中进行的，消除了测量仪器本身带来的不确定性。用户可以只将探头寄回（不需要测量仪器）进行校准，在探头中计算确定的校准数据精度不受仪器本身影响。热线探头（Ø 7.5 mm）伸缩杆可扩展至820 mm，数字有线。
技术数据：

NTC

测量范围	-20 ~ +70 °C
测量精度	±0.5 °C
分辨率	0.1 °C

绝压

测量范围	+700 ~ +1100 hPa
测量精度	±3.0 hPa
分辨率	0.1 hPa

热线

测量范围	0 ~ +20 m/s
测量精度	±(0.03 m/s + 5 %测量值)
分辨率	0.01 m/s

探头：