Amphenol HS 20 bulk resistance sensor offering excellent interchangeability and wide operating range
Product Overview
The Amphenol Advanced Sensors Telaire HS20 is a cost-effective, low-power Relative Humidity (RH) sensor utilizing a proprietary thin-film polymer. This bulk-resistance type sensor exhibits an inverse exponential humidity response curve, offering fast response times, exceptional linearity, and low hysteresis. Its design ensures excellent interchangeability and requires simple signal conditioning circuitry, making it suitable for a wide operating range and small-size applications. Key applications include HVAC controls, white goods, handheld instruments, medical devices, wireless transmitters, asset monitoring, data loggers, consumer goods, automotive climate control, agriculture and horticulture, environmental chambers, and enthalpy measurement.
Product Attributes
- Brand: Amphenol Advanced Sensors
- Model Series: Telaire HS20
- Sensor Type: Bulk-resistance type Relative Humidity (RH) Sensor
- Sensing Element: Proprietary thin-film polymer
- Construction Material (Substrate): Alumina (AlO)
- Construction Material (Resistance): RuO
- Construction Material (Electrode): Pd-Ag
- Construction Material (Epoxy Paste): Ag
- Construction Material (Terminal): Epoxy Resin (Black)
Technical Specifications
| Parameter | Limits | Unit | Condition |
|---|---|---|---|
| Storage Temperature | 0 - 50 | C | |
| Storage Humidity | 20 - 90 | %RH | Without condensation |
| Operating Humidity | 30 - 90 | %RH | Do not allow dewdrops to form. |
| Operating Temperature | 0 - 50 | C | |
| Power Rating | AC 1V | 50Hz ~ 1KHz | |
| Nominal Impedance Value | 67.3 | K | 25C, 50%RH |
| Tolerance on Impedance Value | 53.9 - 70.7 | K | |
| Dry Heat Storage (Reliability) | <5 | %RH | 80C, 1000 hours |
| Cold Storage (Reliability) | <5 | %RH | -40C, 1000 hours |
| Damp Heat Storage (Reliability) | <5 | %RH | 60C, 90 %RH, 1000 hours |
| Heat Cycle Test (Reliability) | <5 | %RH | -40C/30min ~ +80C/30min, 100 cycles |
| Low Humidity Storage (Reliability) | <5 | %RH | 25C, 20 %RH, 1000 hours |
| Dry Heat Operation (Reliability) | <5 | %RH | 80C, 1000 hours, AC 1V, 1KHz |
Notes:
- Use only within specified conditions.
- Do not disassemble or change any parts.
- Do not touch sensor element.
- Do not apply any direct current to the sensor.
- Do not touch the film or the surface of the sensor.
- In use and stock, freezing, dust, mist, oil, alcohol, corrosive gases or any other dirty/anomalous ambient may cause degradation of the sensors characteristics.
- Protect the sensor film from flux/fume and high temperature during soldering.
- Do not immerse sensor in water.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.