
HU-227-3-VDC-8 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $129.99 | Condition is New, MAMAC Systems HU-227-3-VDC-8 3%Rh Hum/Temp 10K Ohm Sensor, shipping cost = $16.45 | 100.0% |
![]() | $149.60 | Condition is New, MAMAC Systems HU-227-3-VDC-8 3%Rh Hum/Temp 10K Ohm Sensor, FREE SHIPPING | 99.7% |
![]() | $151.79 | Condition is New, MAMAC HU-227-3-VDC-8 Systems 3%Rh Hum/Temp 10K Ohm Sensor, FREE SHIPPING | 98.6% |
![]() | $154.89 | Top Pick! Condition is New, MAMAC HU-227-3-VDC-8 10K Ohm Hum/Temp Sensor 1/2" NPT, FREE SHIPPING | ![]() |
![]() | $170.00 | Condition is New, MAMAC SYSTEMS HU-227-3-VDC-8 / HU2273VDC8 (BRAND NEW), shipping cost = $12.90 | 99.7% |

The MAMAC HU-227-3-VDC-8 is a rh (relative humidity) and temperature sensor designed for various applications that require accurate and reliable measurement of environmental conditions. This sensor is a versatile solution for HVAC systems, industrial processes, weather monitoring, and other applications where maintaining optimal humidity and temperature levels is crucial.
This sensor features an integrated ceramic sensor element, which consists of a thick-film semiconductor membrane coated with a special material that responds to both humidity and temperature changes. The sensor is designed with a measurement range of 0 to 99% rh for humidity and -20 to 60 C for temperature. The sensor outputs a voltage signal that is proportional to both the humidity and temperature levels, making it an ideal choice for data acquisition and control systems.
The HU-227-3-VDC-8 is a constant voltage sensor, which means it requires a fixed voltage of 5 to 28V DC to operate. This voltage is applied to the sensor through two terminals, and the output voltage, which represents the measured rh and temperature data, is available at an additional two terminals. It's worth noting that this sensor is designed with a low power consumption, making it an energy-efficient option for battery-powered systems.
This sensor is equipped with a compact, rugged housing featuring excellent resistance to water, dust, and temperature variations. The ceramic sensors are protected by a metal shield against electromagnetic interference, ensuring high accuracy and stability in various environments.
Additionally, the sensor comes with a T-cable (500mm) for easy wiring and installation. The MAMAC HU-227-3-VDC-8 can be connected to data acquisition and control systems using industry-standard communication interfaces such as analog voltage outputs, RS-485, Modbus RTU, and others. This sensor is an excellent choice for applications that require precise and real-time measurement of humidity and temperature conditions.
Pros and Cons of Buying a MAMBA HU-227-3-VDC-8 RH Hum/Temp 10k Sensor
1. **Pros:**a. High Accuracy: The MAMBA HU-227-3-VDC-8 sensor is known for its high accuracy in measuring both relative humidity (RH) and temperature. This makes it ideal for applications that require precise measurements in various environments.
b. Wide Operating Temperature Range: The sensor can operate in a temperature range of -40 C to 85 C, which makes it suitable for different applications across various industries.
c. Low Power Consumption: With a current consumption of less than 1mA, this sensor is energy-efficient and can be used in battery-operated devices or projects.
d. Rugged Design: The sensor is designed to withstand harsh conditions due to its robust housing and sealing specifications, making it suitable for industrial applications.
e. Easy to Use: The 10k ohm output resistance allows for simple interfacing with microcontrollers and data loggers, making it an accessible option for hobbyists and professionals alike.
2. **Cons:**a. Limited Calibration Options: While the sensor offers high accuracy, it lacks the ability to be professionally calibrated in the field, which could be a drawback for some applications requiring extremely precise measurements.
b. Requires External Calibration: The sensor relies on an external calibration source for accurate readings; this may necessitate additional costs for necessary calibration tools or cheap calibration kits available online.
c. Narrow Humidity Range: The sensor's RH measurement range is between 0% to 99%, lacking the ability to measure lower or higher humidity levels (e.g., extremely dry or very humid environments).
d. No built-in temperature compensation: The sensor does not include internal temperature compensation for RH measurements, so users need to account for temperature effects when taking measurements.
**Conclusion:**The MAMBA HU-227-3-VDC-8 Rh Hum/Temp 10k sensor offers advantages such as high accuracy, low power consumption, a wide operating temperature range, and suitable for harsh conditions. However, users must consider its limited calibration options, need for external calibration, narrow humidity range, and lack of temperature compensation when deciding whether the sensor fits their specific application needs. Although it is a reliable and cost-effective option for many applications, thorough evaluation of these factors is essential to ensure a successful deployment.
**Recommendation:**If the sensor's limitations align with your application requirements, the MAMBA HU-227-3-VDC-8 Rh Hum/Temp 10kSensor is a good choice. However, it's essential to account for the limitations, which include calibrating the sensor with an external tool and the lack of temperature compensation. By weighing the pros and cons, users can make an informed decision about whether this sensor is suitable for their intended use. Alternatively, if the additional requirements of professional calibration or a broader humidity range are necessary, there are other sensor options available with those capabilities.
Details:
With a 10k ohm resistance and 3% rh accuracy, you can rely on precise accurate readings. Choose Mamac systems for reliable and efficient sensors that deliver exceptional results. This high-quality sensor from Mamac systems is an ideal choice for measuring humidity and temperature in a variety of applications.
specifications maxohvac:
- brand: Mamac Systems
- mpn: Hu-227-3-vdc-8
- part type: Sensor System
shipping maxohvac:
- class: standard
- type: calculated
- transit: 4-11 days
- carrier: usps
- service: usps ground advantage
returns maxohvac:
- policy: no returns
payments maxohvac:
- credit card: diners-club
- wallet: paypal
- other
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- city: lynn, massachusetts
- # reviews: 1089
- rating: 100.0%
offer maxohvac:
- availability: in stock
- sold #: 29
- options: ship-to-home
- in stock #: 5
- started: january 28, 2025
- prices: $129.99–$170.00
- item condition: New
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