
ASM01820 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $348.00 | Condition is New – Open box, AAON ASM01820 DIGITAL EBUS TEMP/HUMIDITY SENSOR, shipping cost = $5.72 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $418.99 | Top Pick! Condition is New, AAON ASM01820 Digital Temperature Sensor, New In Box, shipping cost = $5.97 | 100.0% |
![]() | $479.93 | Condition is New, Aaon ASM01820 DIGITAL ROOM SENSOR, FREE SHIPPING | 99.7% |
![]() | $479.94 | Top Pick! Condition is New, Aaon ASM01820 Digital Room Sensor for HVAC System Control, FREE SHIPPING | ![]() |
![]() | $566.90 | Condition is New, AAON ASM01820 / ASM01820 (BRAND NEW), shipping cost = $12.90 | 99.7% |

The Aaon ASM01820 1820 Digital Humidity Sensor is a state-of-the-art environmental monitoring solution designed to maintain optimal indoor conditions for commercial and industrial applications. This humidity sensor, manufactured by Aaon, is a compact and versatile device that offers high accuracy and reliability.
The ASM01820 sensor is a digital type, which means it provides precise and clear readings of relative humidity levels in real-time. It is housed in a durable, weatherproof box sensor enclosure, ensuring its protection against harsh environments. The sensor can be easily mounted on walls or ceilings using the included hardware, making it a flexible option for various installation configurations.
This humidity sensor is designed to monitor and control humidity levels within a wide range, typically between 0% and 100%, with an accuracy of 2.0% RH. It is ideal for use in applications such as data centers, laboratories, museums, and other environments where precise control of humidity is essential.
The ASM01820 sensor communicates with building automation systems using the Modbus protocol, ensuring seamless integration with various control platforms. It offers a fast response time, ensuring that any changes in humidity levels are detected and reacted to in a timely manner.
The sensor also features a self-diagnostics function, which helps to ensure its proper operation and allows for early identification of any potential issues. Furthermore, it has a low power consumption, which contributes to energy savings and reduced operating costs.
The Aaon ASM01820 1820 Digital Humidity Sensor is a high-performance and reliable option for those seeking to maintain optimal indoor conditions in their commercial or industrial applications. Its compact size, rugged design, and advanced features make it an essential tool for those who demand precision, accuracy, and flexibility in their environmental monitoring solutions.
A Comparative Analysis of AAON ASM01820 1820 Digital Humidity Sensor: Pros, Cons, and Recommendation
The AAON ASM01820 1820 Digital Humidity Sensor is a popular choice for various applications due to its high accuracy and ease of use. Let's examine the pros, cons, and a concluding recommendation.
Pros:1. High Precision: The sensor offers high precision with a measurement accuracy of 3% RH. This level of accuracy is suitable for applications that require precise humidity readings.
2. Wide Temperature Range: The sensor can operate in a temperature range of -20 C to 85 C (-4 F to 185 F), making it suitable for various environments.
3. Digital Output: The sensor provides a digital output, which makes it easier to interface with various data logging systems, controllers, and microcontrollers.
4. Low Power Consumption: The sensor has a low power consumption of 14 mA, making it suitable for battery-powered applications.
5. Robust Design: The sensor is designed to be rugged and suitable for harsh environments. It has a protection rating of IP65, which makes it resistant to dust and water.
Cons:1. Limited Compatibility: The sensor may not be compatible with some data loggers or controllers without the need for additional interfacing hardware.
2. Requires Calibration: The sensor may require periodic calibration to ensure accurate measurements. This can add to the overall cost and maintenance requirements.
3. Limited Operating Range: The sensor can only measure relative humidity and temperature, whereas some applications may require additional sensors to measure other parameters.
Recommendation:The AAON ASM01820 1820 Digital Humidity Sensor is an excellent choice for applications that require high-precision humidity measurements in harsh environments. Its wide temperature range, digital output, and low power consumption make it a versatile and cost-effective option. However, it's essential to note that it may require additional interfacing hardware and periodic calibration to ensure accurate readings. Therefore, it's recommended to consider these factors when selecting this sensor for your specific application. Overall, the benefits of the sensor's high precision and robust design outweigh the cons, making it a recommended option for suitable applications.
Details:
Controller still sealed in the plastic. Will only ship to the lower 48 states. Free shipping, ships by USPS.
specifications maxohvac:
- brand: Aaon
- mpn: Asm01820
- type: Appliance Part
- modelsfits: All Heating, Cooling And Hvac Parts Are Model Specific. We Can He
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
offer maxohvac:
- availability: in stock
- prices: $348.00–$566.90
- item condition:
- New – Open box
- New
- in stock #: 5
- sold #: 21
- started: march 22, 2025
- options: ship-to-home
- best offers: true
payments maxohvac:
- wallet: paypal
- other
- credit card: diners-club
seller maxohvac:
- city: memphis, indiana
- # reviews: 169
- rating: 100.0%
shipping maxohvac:
- carrier: usps
- type: fixed
- transit: 4-9 days
- class: standard
- service: usps ground advantage
returns maxohvac:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: buyer





