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Laboratory Temperature Probe

LP/t - Laboratory Temperature Probe

LP/t is a laboratory probe for monitoring instantaneous profiles of soil temperature in soil columns or in undisturbed soil cores. Thin-wall acid-resistant steel body of the probe provides ultimate low heat conductivity, thus allowing to avoid the parasite 'thermal bridge' effects. Several LP/t probes can be inserted through the wall of the soil column or the sampling cylinder, thus allowing for vertical recording of the instantaneous profiles of temperature. Such an array, when combined with miniprobes for soil moisture/salinity LP/ms and also probes for matric potential LP/p enables collecting a set of corresponding temperature data from non-isothermal transition of drying or wetting front, from which readings of bulk electric conductivity as well as matric potential can be temperature corrected. Also heat transport coefficients (thermal conductivity, thermal diffusivity, specific heat) can be determined if a heat flux meter is installed in the column under investigation.
LP/t laboratory probe for soil temperature
Technical details:
  • Probe length: 19 cm, diameter: 5 mm.
  • Sharpened tip for easy installation.
  • Connection to a TDR/MUX/mpts unit via an AUX IN port.
  • Ability to connect up to eight LP/t probes to one meter at the same time using BNC T-splitters.
  • Available guide and clamps for securing the probe in a soil sample cylinder.
  • Customized cable lenghts available.
Features:
  • Measurement of temperature with absolute error not more than ±0.5°C or ±0.2°C if individually calibrated.
  • Resolution:  0.01°C.
  • Temperature range: from -20°C to 60°C.
  • Operates with a TDR/MUX/mpts device.
  • Designed for laboratory use or as additional temperature sensors for monitoring stations.
LP/t temperatue probe with TDR/MUX/mpts meter
See also:
  • TDR/MUX/mpts laboratory meter.
  • D-LOG monitoring system designed for monitoring stations.
  • Laboratory probes for soil moisture and salinity: LP/ms and capillary pressure: LP/p.

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