Product Overview
The CHS1101/CHS1101LF is a capacitive humidity sensor based on the parallel plate capacitor principle. It utilizes a unique solid-state polymer sensitive material and thin-film microelectronic processing, offering high sensitivity, good quality factor, rapid response, and a wide measurement range. The sensor features a corrosion-resistant, high-temperature metal base and substrate, with a patented nano-protective coating for enhanced resistance to high temperatures, humidity, dust, and contamination. This makes it suitable for various industrial and civil applications requiring relative humidity measurement with specific performance, batch, and price requirements.
Product Attributes
- Brand: CYBERSEN
- Manufacturer: (Guangzhou Cybersen Technology Co., Ltd.)
- Origin: China
- Model: CHS1101 / CHS1101LF
- Material: Solid-state polymer sensitive material, corrosion-resistant, high-temperature metal (base/substrate), nano-protective coating
- Color: Black (for CHS1101LF)
Technical Specifications
| Parameter | Symbol | CHS1101 | CHS1101LF | Unit | Notes |
| Maximum Rating | |||||
| Operating Temperature | Ta | -40--100 | -40--140 | @ ta=25, or specified conditions | |
| Storage Temperature | Ts | -40-100 | -40-140 | @ ta=25, or specified conditions | |
| Supply Voltage | Vs | 10 | Vac | ||
| Humidity Measurement Range | RH | 0-100 | %RH | ||
| Soldering Time @260 | t | 10 | s | ||
| Performance Parameters | |||||
| Operating Range | RH | 1-99 | %RH | Tested at Ta=25, 1KHz, 1Vac LCR bridge | |
| Operating Voltage | Vs | 5-10 | Vac | Tested at Ta=25, 1KHz, 1Vac LCR bridge | |
| Standard Capacitance | C | 170-193 | 170-193 | pF | @55%RH, 25; Classified into 170pF, 180pF, 190pF; Factory marked with capacitance range and error; Can be sorted by accuracy requirements. |
| Temperature Coefficient | Tcc | 0.04 | pF/ | ||
| Average Sensitivity | C/%RH | 0.32 | pF/%RH | from 33% to 75%RH | |
| Response Time | 5 | s | (33% to 76%RH, measured in air @63%RH) | ||
| Recovery Time | Tr | 10 | s | (from 150 hours of condensation) | |
| Leakage Current | Ix | 1 | nA | (Vcc=5Volt) | |
| Humidity Hysteresis | 1.5 | %RH | |||
| Long Term Stability | 0.5 | %RH/yr | |||
| Detection Accuracy | 1 | %RH | ** Accuracy is related to application circuit, software algorithm processing, and calibration equipment accuracy. | ||
| Deviation to typical response curve | 2 | %RH | |||
2010191033_CYBERSEN-CHS1101LF_C555358.pdf
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