Overview
Description
The HS4103 is a highly accurate, ultra-low power, fully calibrated relative humidity and temperature sensor. The MEMS sensor features a proprietary sensor-level protection ensuring high reliability and long-term stability. The HS4103 is fully calibrated and temperature compensated with an Analog ratio-metric output.
Features
- Humidity range: 0% to 100%RH
- RH accuracy: ±2.5%RH, typical
- 10% to 90% ratio-metric analog output
- Fast RH response time: 4 seconds, typical
- Temperature sensor accuracy: ±0.25°C, typical (0 to +70°C)
- Low current consumption: 0.92µA average (3.3V supply)
- Excellent stability against aging
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 573 KB | |
| End Of Life Notice | PDF 748 KB | |
| Application Note | PDF 1.81 MB | |
| Application Note | PDF 131 KB | |
| Product Change Notice | PDF 368 KB | |
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Design & Development
Boards & Kits
Evaluation
HS4100-EVK
Last Time Buy
HS4101 Relative Humidity and Temperature Sensor Evaluation Kit
The HS4100-EVK Evaluation Kit is used to assess the HS4101 High-Performance Relative Humidity and Temperature Sensor, with Analog output. The hardware allows users to perform data logging experiments, and it can communicate through a standard USB interface with the user’s computer using the Demo...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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FAQs
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HS41xx - Is a buffer OpAmp mandatory for the HS41xx?
It is not mandatory. The buffer acts as an impedance converter and decoupler. The high output impedance of the sensor could lead to signal degradation when connected to subsequent circuitry. A buffer OPAmp has a very low ouptut impedance and a high input impedance. This results in "isolation" of the ...
Apr 23, 2024 -
HSxxxx - Linux driver for HS-EVK
With the HS4000-EVK and HS3000-EVK there is only a Windows version available.
Apr 19, 2024 -
HSxxxx - Sensor accuracy problems after assembly
Some assembly processes like SMD reflow soldering can influence the humidity sensing polymer, which results in a temporary measurement offset. To speed up the recovery process, try to recondition the sensor using the recondition routine explained in the datasheet. This will ensure the humidity sensing module to be properly hydrated.
Apr 19, 2024