Bids Are invited for SOIL MOISTURE & TEMPERATURE SENSOR - • Measurement of Soil electrical conductivity (EC), relative dielectric permittivity, volumetric water content, soil temperature• Sensing Volume: > 3000 cm3 • Soil temperature measurement range: 0°-Kerala

Bids Are invited for SOIL MOISTURE & TEMPERATURE SENSOR - • Measurement of Soil electrical conductivity (EC), relative dielectric permittivity, volumetric water content, soil temperature• Sensing Volume: > 3000 cm3 • Soil temperature measurement range: 0° to 70°C • Soil Temperature Measurement Accuracy: ±0.5°C (for typical soil temperatures [0 to 40°C] when probe is inserted into the soil) or better• Soil temperature resolution: 0.1°C• Volumetric water content measurement range: 0 -100%• Volumetric water content resolution: 0.5% or better• Volumetric Water Content Measurement Accuracy:± 3% or better Electrical Conductivity (EC)• Range for Bulk EC (BEC): 0 to 8 dS/m or wider• Accuracy: ± (6% + 0.06 ds/m) or better• Resolution: 0.5% of Bulk EC or better Relative Dielectric Permittivity• Range 1 to 80 or wider• Accuracy:± (4% of EC +0.8), with a maximum value of ±2 better , RAIN FALL SENSOR - ·         Sensor type: Tipping bucket/ magnetic reed switch ;Temperature: 0 to 50°C or wider; Rainfall per tip: <0.3mm , DATALOGGER - Should cater the requirement of connecting 4 soil temperature and soil moisture probes and a rain gauge; Minimum sampling rate:1Hz or better; Inbuilt Data storage: minimum 3 months with 1-minute sampling; Operating Temperature Range: 0 to 50° C or wider; Provision for data transfer to computer/USB , ENCLOSURE - ·      Weather-Resistant enclosure. Suitable for mounting data logger and protecting from environment. White color for reflecting solar radiation, reducing temperature gradients inside the enclosure without using separate radiation shield. , POWER SUPPLY - ·      1-set of power supply for a set of measurement system (4-soil probes, 1 rain fall sensor and 1data logger); Adequate solar panel and battery for operating the above , MOUNTING STAND - ·      1 Meter Mounting Stand for fixing the enclosure outdoor, mounting kit/hardware/cables/accessories should be provided Total Quantity : 1

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