南通中天精密仪器有限公司是与南京水利科学研究院、江苏省农业科学院共同合作组建的从事精密仪器生产的化公司。
      公司生产的土壤水分测定仪、MP-406B、MP-306系列高土壤水分传感器、高土壤水分数据自动采集器、张力计和土壤溶液取样器等农业节水仪器为我国的农业、蔬菜生长、水利灌溉、节水工程开创了良好的发展前景。

MP-406B高土壤水分传感器    

  采用世界先进技术的土壤水分传感器，，可靠，耐用。性能超群，价格合理，无污染。

产品特点：

1、操作简便，直接连接到手持仪表或数据采集器。

2、环保材料，全密封，可长期埋设在地下任意深度，连续测量。

3、特殊性质土壤及其它被测介质，易于标定。

4、表层土壤湿度，即插即读，配备专用延长工具可测量至80厘米深度。

5、 温室大棚，花卉蔬菜，草地牧场，节水农业，自动控制，湿度探测器。

6、20毫安工作电流，。

技术参数：

测量参数：土壤容积含水量

测量：±2%

量     程：0～100%（m³/m³）
测量区域：90%的影响在围绕中央探针的直径2.5cm、长为6cm的圆柱体内
稳定时间：通电后约10秒
响应时间：0.5秒内对99%的变化有响应

工作电压：7——15VDC
工作电流：常规19mA   21mA

输出信号：0～1V
密封材料：PVC
探针材料：不锈钢
电缆长度：标准长度5m长度100m

MP-406B Moisture Probe

 Product Introduction:

1、The Mp-406B moisture probe adopts the latest technology in the world ,it can be used to measure the soil moisture for scientific research or irrigation management .The Mp-406 Moisture Probe can also be used to measure the moisture content in many materials such as soil , food and materials used in railway and building consturtion.

2、The Mp-406B has a high frequency moisture detector ,which uses the standing wave principle to indicate the ratio of two or more substances forming a body of material ,each substance having a different constant(ka).

3、The material that can be measured by the Mp-406B is often soil ,but can be any composition of non-metallic powdered ,liquid or soild phase substances into which .

Technical Parameters:

Parameters: volumetric soil water content (VSW%)

Accuracy:±2%

Range:0~100%(m³/m³)

Region:90% effect in the cylinder around the central probe with a diam eter of 2.5cm and a length of 6cm

Stable Time:About 10 seconds after the electricity

Response Time : Response to 99% changes within 0.5 second

Working Voltage :7-15VDC

Working Current:Max :20mA

Output Signal:0~1.1V

Sealing Materials:PVC

Probe materials：Stainless Steel

Cable length:Standard :5m Maximum :100m