Top 5 Inline Humidity Sensors for Home and Industrial Use

Choosing the inline humidity sensor, for both home and industrial use is vital to uphold environmental conditions and ensure the precision of humidity readings. Inline humidity sensors play a role in applications from safeguarding industrial processes to enhancing comfort in residential spaces. With the increasing need for dependable humidity regulation knowing the placement of these sensors is crucial for effectively monitoring and managing humidity levels.

This article delves into the 5 inline humidity sensors offered by brands delving into their features, applications and strategic positioning recommendations to optimize their performance. Whether utilized in homes or industrial environments these sensors present solutions, for humidity measurement and control underscoring the significance of accurate sensor placement to enhance efficiency and reliability to the fullest extent.

Honeywell C7600

The Honeywell C7600 series provides inline humidity sensors, for use in homes and various industries. These sensors excel in detecting the relative humidity levels in the atmosphere. Can be seamlessly integrated with controllers that interpret a 4 to 20 mA signal. Offering two models, the C7600A and C7600C these sensors cater to a wide range of requirements, with accuracy and precision.

Key Features

  • Models and Output: The C7600A model provides a 4-20 mA output inversely proportional to air relative humidity, whereas the C7600C model offers a 4-20 mA output directly proportional to air relative humidity.
  • Design and Construction: Both models boast a rugged, glass-fiber reinforced plastic case. Their compact and lightweight design includes cover vents for optimal airflow, enhancing the sensor’s responsiveness and accuracy.
  • Mounting Options: These sensors can be duct-mounted indoors or wall-mounted outdoors in locations protected from rain, snow, or direct sunlight, making them versatile for various installation requirements.


Dimensions: Vary depending on the series.

Electrical Ratings:

  • Input: 12 to 40 Vdc.
  • Output: 4 to 20 mA signal.
  • Maximum Power Consumption (at 24V): 0.50 VA.

Temperature and Humidity Ranges:

  • Operating Temperature: 32°F to 125°F (0°C to 52°C).
  • Humidity Operating Range: 10 to 90 percent RH, non-condensing.

Performance and Durability

  • Accuracy: Offers 5% RH accuracy from 30% to 70% RH.
  • Sensing Element: Utilizes a long-lasting thick-film capacitive polyimide sensing element, ensuring stable and accurate humidity sensing over time.
  • Environmental Tolerance: Remains operational after exposure to all outdoor air humidity extremes.



This detailed look into the Honeywell C7600 series underscores its utility in providing precise and reliable humidity measurements across various environments. Whether for controlling indoor air quality or monitoring industrial processes, the C7600 models stand out as robust options for effective humidity management.

Honeywell H7012 Room Humidity Sensor

The Honeywell H7012 Room Humidity Sensor is a device that you can mount on the wall to check the humidity levels, in spaces. It comes in versions to suit requirements, for monitoring both humidity and temperature.

Key Features

  • Variants: The H7012 is available in two main types: H7012A, which measures humidity only, and H7012B, which measures both humidity and temperature. The latter includes options for a PT1000 or Balco 500 temperature sensor.
  • Design: This sensor features a two-piece plug-in design, simplifying installation and maintenance.
  • Certification: It is certified with EN0B-0698GE51 R1214, ensuring compliance with European standards.


  • Sensing Range: Capable of measuring from 5% to 95% relative humidity, making it versatile for various room conditions.
  • Sensor Type: Utilizes a capacitance-type sensing element for accurate humidity detection.
  • Compatibility: Works with systems like Excel DDC, Excel Plus, and Excel MacroCel (for humidity only).


The H7012 series sensors are primarily used in air conditioning systems for control, indication, and alarm monitoring, enhancing environmental comfort and safety.

Model Variants and Pricing

  • H7012A1010: Focuses solely on humidity measurement within the 5% to 95% range.
  • H7012B1008: Includes a PT1000 temperature sensor alongside humidity measurement capabilities.
  • H7012B1024: Features an NTC 20kohms temperature sensor.
  • H7012B1030: Offers a 0 to 10V DC output for integrated system applications.
  • List Price: The H7012B1007 model, which includes both humidity and temperature sensors (PT1000), is priced at $790.22.

Availability and Obsolescence

Please note that the H7012 series sensors may not be accessible, in every country and specific models such as H7012A1009, H7012B1007 and H7012B1015 are no longer in production. The H7012B1007 variant typically ships within 1 3 weeks. Is presently unavailable due to being out of stock.

This comprehensive review of the Honeywell H7012 Room Humidity Sensor emphasizes its effectiveness, in ensuring environmental regulation indoors making it a crucial component of air conditioning systems.

Deluxe Duct & Outdoor Humidity Sensor by Honeywell

The Honeywell Deluxe Duct & Outdoor Humidity Sensor, from the HO series is crafted to deliver dependable humidity readings across environmental settings. Using cutting edge film technology this sensor is built to bounce back effectively from full saturation guaranteeing reliable operation even in highly humid conditions.

Key Features

  • Thin-Film Capacitive Sensor Element: This technology allows the sensor to recover from full saturation, which is crucial for maintaining accuracy in high-humidity environments.
  • Field Replaceable Sensor Element: Minimizes downtime by allowing easy maintenance and replacement without the need to disturb existing conduit setups.
  • Potted Circuitry: Protects against condensate shorts, enhancing the durability and longevity of the sensor in harsh conditions.
  • Polarity Insensitive: The sensor’s design ensures hassle-free installation without concerns about electrical polarity, simplifying the setup process.

Technical Specifications

  • Certifications: CE certified, meets the standards of 2014/30/EU, 2014/35/EU, EN 61000-6-1, and RoHS2 compliance.
  • Temperature Range: Operates effectively within a temperature range of -40°C (-40°F) to 50°C (122°F), making it suitable for a wide range of climatic conditions.
  • Accuracy Options: Interchangeable sensor elements are available with accuracies of 1%, 2%, 3%, or 5%, with no calibration needed.

Applications and Availability

The Deluxe Duct & Outdoor Humidity Sensor is perfect, for use in ducts and outdoor environments powered by either a DC Distribution Network or an AC/DC Power Adaptor. It can be found easily in parts of the world such as Asia Pacific, Europe, the Middle East and North America making it accessible, for a range of projects and uses.

Installation and Maintenance

The sensor comes with self-tapping screws for installation. Is made by Alerton, a well-regarded brand, within the Honeywell family. Its design enables servicing of the duct sensor element ensuring maintenance is hassle free and doesn’t disrupt the systems functionality.

HCP00-EU Condensation Prevention Sensor

The HCP00 EU Condensation Prevention Sensor is a cutting edge device created to give advance alerts about condensation risks, in chilled beam and ceiling setups effectively stopping situations where indoor rain may occur. This sensor plays a role, in any heating, ventilation or air conditioning system that seeks to steer of condensation problems.


This device merges a humidity sensor, with a thermistor to observe and react to surroundings computing the dewpoint by considering the ambient humidity and surface temperature. It is designed for use, in both commercial heating and cooling setups guaranteeing control over condensation.

Key Features

  • Early Condensation Detection: Utilizes a humidity sensor coupled with a precision thermistor to alert users of potential condensing conditions.
  • Microcontroller-Based Design: Ensures reliable condensation prevention control.
  • Adjustable Switching Point: Allows for a switching point within ±3°C of the dewpoint, enhancing adaptability to different environmental conditions.
  • Output and Indication: Provides a 4-20mA control signal and LED indication for easy monitoring of the sensor status.

Technical Specifications

Technical Specifications of humidity sensor


The HCP00 EU sensor is adaptable, for use in HVAC settings especially where maintaining humidity and temperature levels is crucial to avoid condensation. Its fast reaction time and accuracy make it a great option for spaces, to humidity fluctuations.

This sensor doesn’t just offer information required for upholding conditions but also seamlessly works with electronic controllers providing a holistic approach to effectively address indoor climate issues.

RH-15xP-NA-xx-xx Series Duct Humidity Transmitter & Sensor

The RH-15xP-NA-xx-xx Series Duct Humidity Transmitter & Sensor showcases accuracy and resilience in monitoring the environment. Tailored for use, in residential settings this sensor guarantees management of humidity levels and optimal functionality.

Key Features and Specifications

  • Advanced Ceramic Technology: Ensures long-term accuracy and longevity.
  • Output Signal Options: Offers a variety of outputs including 4 to 20 mA, 0 to 5 V, and 0 to 10 V DC, catering to different system requirements.
  • Field Calibration: Equipped with on-board increment and decrement dip switches for easy field calibration, allowing adjustments of +/- 0.5% RH.
  • Warranty: Supported by a 5-year warranty, underscoring its reliability and quality.

Performance and Design

  • High Repeatability and Low Drift: Features high repeatability and hysteresis with less than 2% drift over 5 years, ensuring consistent performance.
  • Temperature Compensation: Includes temperature compensation and calibration to NIST standards for enhanced accuracy.
  • Robust Enclosure: Comes in a watertight polycarbonate BAPI-Box IP66/NEMA 4 rated enclosure, suitable for challenging environments.

Technical Data

Technical Data of humidity sensor

Applications and Maintenance

Perfect for use, in HVAC systems where accurate humidity monitoring’s essential the RH 15xP NA xx xx Series guarantees moisture regulation in duct applications. The sensors layout allows for upkeep and on site calibration easily adjustable with increment and decrement calibration DIP switches, boosting effectiveness and flexibility.

This sensor not meets the requirements of diverse environmental settings but also seamlessly integrates into current systems providing a holistic approach, to monitoring humidity and temperature.


Throughout our exploration of inline humidity sensors, for both household and industrial applications we have thoroughly examined a range of top quality models known for their reliability, accuracy and ability to adjust to conditions. From the technology found in Honeywells C7600 series designed to detect and measure air humidity with precision to the sturdy design of the RH 15xP NA xx xx Series for effective humidity regulation in various settings our conversation emphasizes the importance of selecting the right humidity sensor. These devices are crucial for maintaining conditions ensuring smooth industrial processes and improving comfort levels at home.

The placement of sensors is vital to maximize the efficiency and dependability of humidity measurement and control systems. Each sensor we’ve discussed. From Honeywells thoughtfully crafted H7012 Room Humidity Sensor to the HCP00 EU Condensation Prevention Sensor. Offers features tailored to specific requirements and surroundings. By embracing these solutions we can reduce risks linked to humidity levels promoting healthier and more productive living and working spaces. With advancements in sensor technology there are promising opportunities, for more effective and adaptable humidity control systems ahead underscoring the enduring relevance of these devices in our everyday lives.

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