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MAMAC Systems HU-921-1-VDC-8 Humidity Transducer VDC 10K ohm NTC

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3  Reviews Add Your Review
Special Price $177.83 Regular Price $204.50
Out of stock
SKU
HU-921-1-VDC-8

The MAMAC Systems HU-921-1-VDC-8 Humidity Transducer is a vital component used in HVAC systems to accurately measure humidity levels. This transducer, which is used in air handling units or climate control systems, detects the amount of moisture in the air using a 10Kohm NTC (Negative Temperature Coefficient) sensor.The HVAC system's control unit receives electrical impulses from the transducer, which detects changes in humidity levels and converts them into signals.The HU-921-1-VDC-8 guarantees accurate humidity monitoring and control since it is specifically made to be used with varied DC voltage inputs. Because of their dependable operation, HVAC systems are able to maintain the ideal humidity levels, which is essential for guaranteeing occupant comfort, stopping the growth of mildew, and safeguarding delicate equipment. This transducer helps to improve indoor air quality by offering precise and rapid humidity measurement.

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Manufacturer Name: MAMAC Systems
Product Number: HU-921-1-VDC-8
OEM Part Number: HU-921-1-VDC-8

Product Description Of HU-921-1-VDC-8 MAMAC Systems Humidity Sensors: 

Humidity sensors used in air conditioning systems play a crucial role in monitoring and controlling indoor relative humidity levels. These sensors help ensure optimal comfort, air quality, and energy efficiency. Humidity sensors provide accurate and precise measurements of relative humidity (RH) within the indoor environment. They typically measure RH as a percentage, allowing for fine control. Humidity sensors include temperature compensation to account for the influence of temperature on humidity measurements. This feature ensures accuracy across a wide range of temperatures. These sensors can provide digital (e.g., using protocols like I2C or UART) or analog output (voltage or current), making them compatible with various HVAC control systems and protocols. Humidity sensors may be factory-calibrated to maintain accuracy, and some models allow for field calibration, ensuring reliable and consistent measurements over time. They are designed to operate effectively across a broad range of relative humidity values, from extremely dry to highly humid conditions, making them suitable for various environments. Humidity sensors have a rapid response time, allowing HVAC systems to adjust quickly to changes in humidity levels, enhancing comfort and air quality. These sensors are built to be durable and reliable, with a long service life to minimize the need for frequent replacements or maintenance. The sensors can provide maintenance alerts when they require recalibration or replacement, contributing to the overall efficiency of HVAC systems. Humidity sensors are designed to be compatible with various HVAC control systems and can be seamlessly integrated into new or existing setups. Humidity sensors can be used to control dehumidification and humidification equipment in HVAC systems, ensuring RH remains within the desired range.

Key features of the MAMAC Systems Humidity controller for HVAC units are:

  • Corrects for temperature influence on RH.
  • Factory or field calibration for accuracy.
  • Accurate relative humidity (RH) measurements.
  • Integrates with HVAC systems seamlessly.

The humidity sensors in HVAC systems provide precise and reliable measurements of relative humidity, contributing to comfort, energy efficiency, and indoor air quality. They are an essential component for maintaining a healthy and pleasant indoor environment.


Weight:0.18lbs/81.65g

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Product Questions (5)
Customer Questions
Are there specialized humidity sensors designed for industrial processes that require specific humidity control?

Yes, specialized humidity sensors exist for precise control in industries like pharmaceuticals and food processing, ensuring compliance with strict regulatory requirements.

Can humidity sensors be used in conjunction with air purifiers or air quality monitoring systems to enhance overall indoor air quality and comfort?

Yes, humidity sensors can work alongside air purifiers and air quality monitors to create a comprehensive indoor air quality management system, contributing to improved comfort and health.

What are the benefits of using humidity sensors in specialty environments like indoor pools, greenhouses?

Humidity sensors help maintain the ideal conditions in specialty environments. For example, they can prevent plant wilting in greenhouses or protect valuable artworks by controlling humidity levels.

What maintenance is required for the MAMAC Systems HU-921-1-VDC-8 Humidity Transducer?

Regularly inspect the transducer for dust, moisture buildup, and loose wiring connections. Clean the sensing element gently and ensure calibration is accurate. Proper maintenance ensures accurate humidity readings and prevents signal errors or malfunctions.

What are common issues with the MAMAC Systems HU-921-1-VDC-8 Humidity Transducer?

  • Inaccurate humidity readings.
  • Signal fluctuations or noise.
  • Sensor drift or calibration errors.
  • Electrical connection faults.
  • Failure to respond to environmental changes.

Installation Steps

Step 1: Turn off all power to the HVAC or control system for safety.

Step 2: Select a suitable location, avoiding direct sunlight, drafts, or moisture sources.

Step 3: Mount the transducer securely using screws or brackets provided.

Step 4: Connect the wiring according to the manufacturer’s diagram, ensuring proper polarity.

Step 5: Restore power and verify accurate humidity readings and system operation.

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