A-RH3-20K-D

The ACI A/RH3-20K-D Air Duct Sensor is a versatile and reliable solution for monitoring temperature and relative humidity (RH) within air ducts or other enclosed spaces. This sensor is designed to operate with a wide range of voltage inputs, making it a flexible choice for various HVAC systems.

The sensor's operating voltage range is 15-36 Volts Direct Current (VDC), and it also accepts a 24 Volt Alternating Current (VAC) input. This adaptability makes it suitable for integration into various HVAC control systems, allowing for seamless data transfer and analysis.

The ACI A/RH3-20K-D Air Duct Sensor boasts a high accuracy temperature sensing capability, with a measuring range from -40 C to 85 C (-40 F to 185 F). This broad temperature range ensures that it can be used in various environments, from cold storage facilities to warm industrial spaces.

The sensor's RH measuring range is from 0% to 100%, with an accuracy of 3% RH. This level of precision enables the sensor to accurately detect and report changes in humidity levels, which is essential for maintaining optimal indoor air quality and controlling energy consumption in HVAC systems.

The sensor's compact design makes it easy to install and integrate into existing HVAC systems. It features a sturdy, corrosion-resistant metal housing that ensures durability and reliability in harsh environments. Additionally, it comes with a 6-foot (1.83m) sensor lead, providing ample length for installation flexibility.

The ACI A/RH3-20K-D Air Duct Sensor's output signals are easily configurable, allowing for various alarm settings based on temperature and humidity thresholds. This feature enables early detection of potential issues, such as high temperatures or excessive humidity, which can help prevent costly repairs and improve overall system performance.

In summary, the ACI A/RH3-20K-D Air Duct Sensor is a versatile and accurate temperature and humidity sensor designed for use in HVAC systems. Its wide voltage input range, high accuracy temperature and RH sensing, and rugged construction make it a reliable and cost-effective solution for monitoring and controlling indoor environmental conditions.

The ACI A/RH3-20K-D Air Duct Sensor is a 20,000-cfm airflow and temperature/humidity sensor designed for use in HVAC systems. Here are some potential pros and cons of purchasing this sensor:

1. High airflow capacity: With a 20,000-cfm measurement range, this sensor can be used in larger HVAC systems, making it a suitable choice for commercial or industrial applications.

2. Versatile power options: The sensor can operate on both 15-36VDC and 24VAC power supplies, providing flexibility in system design and installation.

3. Accurate temperature and humidity measurements: The sensor is designed to accurately measure both temperature and humidity within the air duct, ensuring optimal HVAC system performance and indoor air quality.

4. Durable design: The sensor is designed for long-term use in harsh environments, making it a reliable choice for commercial and industrial applications.

1. Higher cost: Compared to sensors with lower airflow capacities, the ACI A/RH3-20K-D Air Duct Sensor may have a higher upfront cost, making it less suitable for smaller HVAC systems or budget-conscious applications.

2. Complex installation: Due to its higher airflow capacity and power requirements, the sensor may require more complex installation procedures compared to smaller sensors.

3. Limited compatibility with some HVAC systems: The sensor may not be compatible with all HVAC systems or controllers, requiring additional research and testing prior to purchase to ensure compatibility.

The ACI A/RH3-20K-D Air Duct Sensor is a high-performance airflow, temperature, and humidity sensor designed for use in larger HVAC systems. Its versatile power options, accurate measurements, and durable design make it a suitable choice for commercial and industrial applications. However, its higher cost and complex installation requirements may make it less suitable for smaller HVAC systems or budget-conscious applications.

If you are looking for a high-performance airflow, temperature, and humidity sensor for a larger HVAC system in a commercial or industrial setting, the ACI A/RH3-20K-D Air Duct Sensor may be a suitable choice due to its accuracy, durability, and versatile power options. However, if you have a smaller HVAC system or a limited budget, you may want to consider a lower-capacity sensor with a simpler installation process and a lower upfront cost.

Details:

Ups 2 day air am. These services include: ups 3 day select. Ups next day am.

Item is sold as pictured. Prices for these options may differ from standard ground shipping. The cost of combined shipping depends on weight, location buyer and size box. Aci a/rh3-20k-d air duct sensor, 15-36 vdc, 24 vac, sensor: 20k 77.

specifications maxohvac:

• brand: Aci
• mpn: A/rh3-20k-d
• part type: Air Sensor

offer maxohvac:

• best offers: true
• started: september 17, 2025
• availability: in stock
• prices: $89.99–$125.00
• item condition: New
• in stock #: 3
• sold #: 18
• options: ship-to-home

shipping maxohvac:

• class: expedited, standard, one-day
• transit: 3-8 days
• type: calculated
• carrier: usps, ups
• service: usps priority mail, ups ground, usps priority mail express, ups next day air

payments maxohvac:

• wallet: google-pay
• money order
• credit card: mastercard
• other
• check

seller maxohvac:

• # reviews: 22861
• rating: 99.9%
• city: kawkawlin, michigan

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

returns maxohvac:

• paid by: buyer
• policy: returns accepted
• method: money back
• time: 30 days

Also Viewed:

• A-RH2-D: HVAC SENSOR, Aci
• EPC2GFS: , Aci