美国格林斯博罗的Strandberg工程实验室近日宣布开发出一种微波湿敏遥感传感器，型号为9900型。该产品采用最新的微波反射率技术测量湿度。与传统湿敏传感器相比具有如下特点：不用接触测量；湿度测量范围宽；设计精密，经久耐用，适用于苛刻的环境；容易安装；自动校准；控制及监控系统的自动化程度高等。该产品已经通过相关检测，正准备投产。

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　　Strandberg Engineering Laboratories Inc (Greensboro, NC, USA) has announced an important upgrade of the Noncontact Moisture Sensor Type 9900. The 9900 sensor uses the latest microwave reflectance technology to measure moisture in web and bulk materials from very dry to saturation.

　　The 9900 has been successfully applied in many demanding moisture measurement applications. High-speed Accu-Lock technology is now included in the 9900 sensor which significantly broadens the range of 9900 applications. Features include:

-- Non-contact measurement of moisture, wet pick-up, size add-on linear from zero percent to saturation.
-- Water-tight, durable enclosure designed to withstand the harshest of industrial environments.
-- Includes Accu-Lock high-speed digital signal processing technology to eliminate variations due to material position or height. Separate analogue outputs provided for real-time and Accu-Lock measurements.
-- Easy to install, set up and calibrate.
-- Industry standard analogue outputs 0-10 volts and 4-20 mA d-c linear with moisture allow simple integration into higher level control or monitoring systems.
-- Optional indicating control displays include Moisture Monitor Model 7701 and Multi-channel Indicating Controller Model 1610e.

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