Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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User's Manual
The SF-110-SS has an un-amplified voltage output and high-quality cable terminating in pre-tinned pigtail leads for easy connection to dataloggers and controllers. The detector contains a precision thermistor that mimics a leaf. The SF-110-SS provides close approximations of leaf temperatures and has a temperature measurement range of -50 to 70 ℃. Typical applications include leaf temperature estimates in cropped fields, orchards, and vineyards. Leaf 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. While most users choose to mount the SF-110-SS to a branch or stick using zip ties, the AM-260 mounting fixture can be used as a more permanent mounting option.
| Measurement Range | -50 to 70 ℃ |
| Measurement Uncertainty | 0.1 ℃ (from 0 to 70 ℃), 0.2 ℃ (from -25 to 0 ℃), 0.4 ℃ (from -50 to -25 ℃) |
| Measurement Repeatability | Less than 0.05 ℃ |
| Non-stability (Long-term Drift) | Less than 0.02 ℃ per year (when used in non-condensing environments where the annual average temperature is less than 30 ℃; continuously high temperatures or continuously humid environments increase drift rate) |
| Equilibration Time | 10 s |
| Self-Heating | Less than 0.01 ℃ (typical, assuming pulsed excitation of 2.5 V DC), 0.08 ℃ at 5 ℃ (maximum, assuming continuous input excitation of 2.5 V DC) |
| Operating Environment | -50 to 70 ℃, 0 to 100 % relative humidity |
| Input Voltage Requirement | 2.5 V DC excitation (recommended) |
| Output Voltage Range | 2.5 V DC |
| Dimensions | 17.5 cm length, 2.2 cm pipe diameter, 6.0 cm disk diameter |
| Mass | 75 g |
| Cable | 5 m of three conductor, shielded, twisted-pair wire; cable is available in 5, 10, and 20 m lengths (custom lengths available by request); TPR jacket (high water resistance, high UV stability, flexibility in cold conditions); pigtail lead wires |
| Warranty | 4 years against defects in materials and workmanship |
| Manufactured | Made in the USA |
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