tender for soil moisture, temperature & ec sensor x for two levels - soil moisture, temperature & ec sensor for two levels (quantity - 2), sensor should be tdr type and shall measure propagation time, signal attenuation, and temperature. dielectric permittivity, volumetric water content, and bulk electrical conductivity are then derived from these raw values.soil temperature measurement - range: -40 oc to + 60 oc, accuracy: 0.5 oc for probe body buried in soil, volumetric water content measurements - range: 0 to 100, accuracy: 3 typical; electrical conductivity measurements - range: 0 to 5000 s/cm, accuracy: 5 of fs, output: sdi-12, power supply requirements: 6 vdc to 18 vdc, this product should be ce or equivalent compliant.
