Description
The MAMAC Systems HU-921-VDC-8 is a precision OEM combination humidity and temperature sensor engineered for building automation and HVAC control applications. Delivering reliable environmental data with a ±3% relative humidity accuracy rating, this sensor is an ideal choice for OEM integrators and controls engineers who demand consistent, repeatable performance in commercial and industrial environments.
Humidity Sensing
- ±3% relative humidity accuracy for dependable environmental monitoring
- 0–10 Vdc analog output signal for seamless integration with BAS and DDC controllers
- Designed for OEM applications requiring consistent, long-term humidity measurement
Temperature Sensing
- Integrated 10,000 Ohm NTC thermistor (Carel-compatible) for accurate temperature measurement
- Dual-function design eliminates the need for a separate temperature sensor
Power Supply
- Wide-range supply voltage: 12–40 Vdc or 12–35 Vac
- Flexible power input accommodates a broad range of control panel configurations
- Reduces installation complexity with universal voltage compatibility
Key Features & Benefits
- OEM-grade construction for integration into custom HVAC and building automation systems
- Combined humidity and temperature sensing in a single compact unit
- 0–10 Vdc output is universally compatible with most modern DDC and BAS platforms
- 10K NTC thermistor (Carel) ensures compatibility with a wide range of controllers
- Wide supply voltage range simplifies field wiring and panel design
- MAMAC Systems quality — a trusted name in HVAC sensing and controls
Specifications
- SKU: HU-921-VDC-8
- Brand: MAMAC Systems
- Humidity Output: 0–10 Vdc
- Humidity Accuracy: ±3% RH
- Temperature Sensor Type: 10,000 Ohm NTC Thermistor (Carel)
- Supply Voltage: 12–40 Vdc / 12–35 Vac
- Application: OEM / Building Automation / DDC Controls







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