• SMT100 土壤温湿度传感器

    详细信息

     品牌:TRUEBNERS  型号:SMT100  加工定制:是  
     测量范围:0-60% VWC (Max:100%VWC)  土壤温度测量范围:-40~+80℃  重复性误差:±1%VWC  
     外形尺寸:18.2 cm x 3 cm x 1.2 cm mm 测量方式:数字输出  重量:0.3 kg 
     适用范围:农业、土壤、秸秆水分、堆肥水分    
    SMT100 土壤温湿度传感器
         SMT100土壤温湿度传感器是德国TRUEBNERS公司生产的一款低成本、高质量传感器,其原理是利用环形振荡器将信号的传输时间转换为测量频率,产生的频率>100MHz足以在粘性土壤中正常工作。SMT100结合了低成本FDR传感器的优点和TDR传感器的精度。与TDR一样,它测量信号的传播时间,以确定土壤的介电常数,像FDR一样,它把介电常数转换成一个易于测量的频率。提供SDI-12、RS485、0-10V和Modbus多种输出方式,可满足广大客户的需求。
     
    应用范围:
    气象、农业、土壤、温室、植物秸秆水分测量、土壤侵蚀、堆肥水分测量、积雪水分温度测量、土木绿化、多元化灌溉等领域
     
    技术指标:
    水分范围:0-60% VWC Max:100%VWC
    分辨率:0.1% VWC或者更高
    精度:±3%VWC 工厂校准@在0-50%VWC矿物土盐分~8ds/m
              ±1%VWC@土壤特定校准
     
    温度范围:-40~+80℃  
    分辨率:0.01℃
    精度:典型±0.2℃@-20~+50℃; 其它±0.4℃
     
    介电常数:1(空气)~80(水)
    分辨率:0.01

    响应时间:50us
    供电:4-24V DC  
    电流:40mA
    信号输出:数字:RS485ModbusSDI-12
    模拟:0 - 10 V
    线缆长度:10m
    尺寸:18.2 cm x 3 cm x 1.2 cm

     

     
       
         Characteristics of the three types of soil moisture sensors used in the SOMOMOUNT network. All values in the table are provided by the manufacturers (Delta-T Devices, 2008; IMKO, 2015; Truebner, 2016).
     


    Aragones, J. L., MacDowell, L. G., and Vega, C.: Di-electric Constant of Ices and Water: A Lesson about Water Interactions, J. Phys. Chem. A, 115, 5745–5758,
    https://doi.org/10.1021/jp105975c, 2011.

    Barthlott, C., Hauck, C., Schaedler, G., Kalthoff, N., and Kottmeier,C.: Soil moisture impacts on convective indices and pre- cipitation over complex terrain, Meteorol. Z., 20, 185–197,
    https://doi.org/10.1127/0941-2948/2011/0216, 2011.

    Beltrami, H.: Active layer distortion of annual air soil thermal orbits, Permafrost Periglac., 7, 101–110, https://doi.org/10.1002/(SICI)1099- 1530(199604)7:2<101::AID-PPP217>3.3.CO;2-3, 1996.

    Beringer, J., Lynch, A. H., Chapin, F. S., Mack, M., and Bonan, G. B.: The Representation of Arctic Soils in
    the Land Surface Model: The Importance of Mosses, J. Climate, 14, 3324–3335, https://doi.org/10.1175/1520- 0442(2001)014<3324:TROASI>2.0.CO;2, 2001.

    Bircher, S., Skou, N., Jensen, K. H., Walker, J. P., and Rasmussen, L.: A soil moisture and temperature network for SMOS valida- tion in Western Denmark, Hydrol. Earth Syst. Sci., 16, 1445– 1463, https://doi.org/10.5194/hess-16-1445-2012, 2012.

    Bogena, H. R., Herbst, M., Huisman, J. A., Rosenbaum, U., Weuthen, A., and Vereecken, H.: Potential of Wireless Sensor Networks for Measuring Soil Water Content Variability, Vadose Zone J., 9, 1002–1013, https://doi.org/10.2136/vzj2009.0173, 2010.

    Bogena, H. R., Huisman, J. A., Schilling, B., Weuthen, A., and Vereecken, H.: Effective Calibration of Low-
    Cost Soil Water Content Sensors, Sensors, 17, 208,
    https://doi.org/10.3390/s17010208, 2017.

    Boike, J., Wille, C., and Abnizova, A.: Climatology and sum- mer energy and water balance of polygonal tundra in the Lena River Delta, Siberia, J. Geophys. Res-Biogeo., 113, G03025,
    https://doi.org/10.1029/2007JG000540, 2008.

    Borga, M., Boscolo, P., Zanon, F., and Sangati, M.: Hydrom- eteorological Analysis of the 29 August 2003 Flash Flood in the Eastern Italian Alps, J. Hydrometeorol., 8, 1049–1067,
    https://doi.org/10.1175/JHM593.1, 2007.

    Brocca, L., Morbidelli, R., Melone, F., and Moramarco, T.: Soil moisture spatial variability in experimen-
    tal areas of central Italy, J. Hydrol., 333, 356–373,
    https://doi.org/10.1016/j.jhydrol.2006.09.004, 2007.
  • 留言

    *详细需求:
    *手  机:
    联 系 人:
    电    话:
    E-mail:
    公  司:
    谷瀑服务条款》《隐私政策
北京博伦经纬科技发展有限公司 电话:010-56187396 手机:18614050375 地址: 北京市昌平区北清路1号珠江摩尔国际大厦3号楼1单元713室
内容声明:谷瀑为第三方平台及互联网信息服务提供者,谷瀑(含网站、客户端等)所展示的商品/服务的标题、价格、详情等信息内容系由店铺经营者发布,其真实性、准确性和合法性均由店铺经营者负责。谷瀑提醒您购买商品/服务前注意谨慎核实,如您对商品/服务的标题、价格、详情等任何信息有任何疑问的,请在购买前通过谷瀑与店铺经营者沟通确认;谷瀑上存在海量店铺,如您发现店铺内有任何违法/侵权信息,请在谷瀑首页底栏投诉通道进行投诉。