Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Brand | Kawai / Kawashima |
| Model Number | RHI-112A |
| Sensor Type | Temperature and Humidity |
| Operating Voltage | 5V DC |
| Humidity Range | 0% to 100% RH |
| Temperature Range | -40°C to +80°C |
| Accuracy | ±2% RH, ±0.3°C |
| Interface | Digital I2C |
| Compatibility | Baiao Dehumidifiers |
| Condition | Genuine New Product |
Anonymous
Mar 28, 2026
Rating: 4/5
Works well but packaging was loose
The sensor itself functions perfectly and brought my dehumidifier back to life. However, the packaging was a bit flimsy, though the part arrived undamaged. Good value for a genuine part.
Anonymous
Mar 28, 2026
Rating: 4/5
Good specs, easy to test
Tested the output with a multimeter and logic analyzer before installing. The I2C communication is stable and the data matches expected values for the given environment. Solid component.
Anonymous
Mar 26, 2026
Rating: 5/5
High quality genuine part
You can tell this is a real Kawai/Kawashima component. The build quality is superior to the generic knock-offs I found elsewhere. Temperature and humidity response time is very fast.
Anonymous
Mar 20, 2026
Rating: 5/5
Finally dry basement again
The old sensor was giving false low readings so the machine wouldn't turn on. This new RHI-112A corrected the issue and my basement humidity is back under control. Fast shipping too.
Anonymous
Mar 16, 2026
Rating: 5/5
Perfect replacement for my dehumidifier
My Baiao unit stopped reading humidity correctly. This RHI-112A module was an exact fit. Installation took about 15 minutes and the readings are now accurate compared to my standalone hygrometer.
Anonymous
Mar 08, 2026
Rating: 5/5
Saved my appliance
I was about to buy a new dehumidifier until I found this sensor module. It fixed the error code immediately. Highly recommend checking your sensors before replacing the whole unit.
Q: How do I know if my current sensor is faulty?
A: Common signs include the dehumidifier running continuously without collecting water, displaying incorrect humidity percentages, or showing specific error codes related to sensor failure listed in your manual.
Q: Can I use this for a DIY Arduino project?
A: While technically possible since it uses a digital interface, this module is optimized for specific dehumidifier control boards. Pinouts may differ from standard development boards, so refer to the datasheet.
Q: What is the warranty period for this sensor?
A: As a genuine product, this sensor comes with a standard 1-year manufacturer warranty covering defects in materials and workmanship.
Q: Is this compatible with older Baiao models from 2018?
A: Yes, the RHI-112A is designed to be backward compatible with most Baiao dehumidifier models manufactured from 2015 onwards. Please check your specific model number in the user manual to be sure.
Q: Does this come with installation tools?
A: No, the package includes only the sensor module. You will need a small Phillips head screwdriver and possibly wire strippers depending on your specific unit's wiring configuration.
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