Danfoss 084N0027 Sensor

The Danfoss 084N0027 AKS 11 is a high-precision Pt 1000 temperature sensor designed for demanding commercial refrigeration and HVACR applications. Engineered as a resistance temperature detector (RTD), this sensor features a 1000 Ohm resistance at 0°C and complies with EN 60751, Class B tolerance standards for consistent signal accuracy. The sensor head is specifically curved to maximize surface contact with copper suction lines and discharge pipes, ensuring rapid thermal transfer and a 10-second time constant on copper tubing. This unit comes equipped with a 3.5 meter (11.5 foot) PVC cable, providing ample length for routing to Danfoss ADAP-KOOL controllers or compatible PLC systems. With an IP67 enclosure rating and a broad measuring range from -40°C to 100°C (-40°F to 212°F), the AKS 11 is built to withstand the moist, high-vibration environments typical of evaporator superheat measurement and discharge air monitoring.

• Enhanced Precision: Utilizing a platinum RTD element, the sensor provides linear resistance changes for superior accuracy over a wide thermal gradient compared to standard thermistors.
• Optimized Heat Transfer: The curved sensor surface and integrated spring-loaded mounting design ensure tight contact with piping for precise refrigeration superheat calculations.
• Extreme Durability: The IP67 rated housing protects against moisture ingress, critical for sensors located near defrost cycles or high-humidity evaporator coils.
• Seamless Integration: Designed for immediate 2-wire connection to HVACR electronic controllers, facilitating fast field replacements and system commissioning.

Is the AKS 11 compatible with non-Danfoss controllers?
Yes, as a standard Pt 1000 Ohm sensor, it is compatible with any control system that accepts a 1000-ohm platinum RTD input, though it is optimized for the ADAP-KOOL platform.

How should the sensor be mounted for the best reading?
For suction line temperature, mount the sensor at the 4 o'clock or 8 o'clock position on horizontal pipe runs to avoid oil or refrigerant traps, and ensure the curved surface is flush against the tube using a tie-wrap or pipe clamp.

Does this sensor require calibration upon installation?
Because it is a Class B tolerance sensor, it typically does not require calibration out of the box when used with short lead lengths. For cable extensions over 100 feet, technicians should check resistance to account for wire-induced signal offset.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.