Introduction to Sensor
The ST-100 Temperature Sensor is a durable, waterproof sensor designed for accurate measurement of soil and water temperature. Its rugged construction ensures reliable long-term performance in demanding outdoor and aquatic environments, making it ideal for environmental monitoring, agriculture, and research applications.
Specifications
Specifications
| Specification | Details |
|---|---|
| Measurement Range | -50 to 70 °C |
| Measurement Uncertainty | ±0.1 °C (0 to 70 °C), ±0.4 °C (0 to -40 °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) |
| Time Constant (time for detector signal to reach 63 % following a step change) | 32 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 |
| Resistance | 10,000 Ω at 25 °C |
| Input Voltage Requirement | 2.5 V DC excitation |
| Output Voltage Range | 0 to 2.5 V DC (assuming input excitation of 2.5 V DC) |
| Current Drain | 0.1 mA DC at 70 °C (maximum, assuming continuous input excitation of 2.5 V DC) |
| Dimensions | 100 mm length × 6 mm diameter |
| Mass | 60 g |
| Cable | 5 m of shielded, twisted-pair wire with santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions) |
| Warranty | 4 years against defects in materials and workmanship |
Features
Applications