SF-110-SS: Leaf and Bud Temperature Sensor

$197.00

The SF-110-SS has an un-amplified voltage output. The detector is a combination of two temperature sensors (precision thermistors) in a single housing. One sensor is designed to mimic a plant leaf the other a flower bud. The SF-110-SS provides close approximations to leaf and bud temperatures and has a temperature measurement range of -50 to 70 C. Typical applications include leaf and bud temperature estimates in cropped fields, orchards, and vineyards. Leaf and bud temperatures returned by the detector can then be used to alert growers to the potential of frost damage to crops. Sensor includes IP68 marine-grade stainless-steel cable connector 30 cm from head to simplify sensor removal and replacement for maintenance and recalibration.

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The SF-110-SS has an un-amplified voltage output. The detector is a combination of two temperature sensors (precision thermistors) in a single housing. One sensor is designed to mimic a plant leaf the other a flower bud. The SF-110-SS provides close approximations to leaf and bud temperatures and has a temperature measurement range of -50 to 70 C. Typical applications include leaf and bud temperature estimates in cropped fields, orchards, and vineyards. Leaf and bud temperatures returned by the detector can then be used to alert growers to the potential of frost damage to crops. Sensor includes IP68 marine-grade stainless-steel cable connector 30 cm from head to simplify sensor removal and replacement for maintenance and recalibration.

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Measurement Range -50 to 70 C Measurement Uncertainty 0.1 C (from 0 to 70 C), 0.2 C (from -25 to 0 C), 0.4 C (from -50 to -25 C) Measurement Repeatability Less than 0.05 C Non-stability (Long-term Drift) Less than 0.02 C per year (when used in non-condensing environments where the annual average temperature is less than 30 C; continuously high temperatures or continuously humid environments increase drift rate) Equilibration Time 10 s Self-Heating Less than 0.01 C (typical, assuming pulsed excitation of 2.5 V DC), 0.08 C at 5 C (maximum, assuming continuous input excitation of 2.5 V DC) Operating Environment -50 to 70 C, 0 to 100 % relative humidity Input Voltage Requirement 2.5 V DC excitation (recommended) Output Voltage Range 0 to 2.5 V DC (assuming input excitation of 2.5 V DC) Current Drain 0.1 mA DC (per thermistor) at 70 C (maximum, assuming continuous input excitation of 2.5 V DC) Dimensions 570 mm length, 21 mm pipe diameter, 7 mm disk diameter Mass 400 g Cable 5 m of shielded, twisted-pair wire with santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions), additional cable available Warranty 4 years against defects in materials and workmanship