060G2105 Danfoss AKS 33 Sealed Gauge Pressure Transmitter

Product Overview

The 060G2105 (060G2105) is a specialized pressure transmitter from the Danfoss AKS 33 series, specifically engineered for high-precision monitoring in commercial refrigeration and industrial cooling systems. This current-output sensor provides a 4 to 20 mA signal, offering superior stability and immunity to electromagnetic interference over long cable runs. Unlike standard gauge sensors, the 060G2105 utilizes a sealed gauge pressure reference, protecting the internal electronics from moisture and atmospheric variations—a critical feature for low-temperature applications. With a robust overload pressure rating of 33 bar (479 psi), it ensures operational reliability and prevents sensor fatigue during high-pressure cycles or system maintenance.

Technical Configuration

The AKS 33 architecture is designed for durability in harsh thermal environments. The 060G2105 maintains precise measurement within an ambient and medium temperature range of -40 to 85 deg C. To ensure maximum accuracy, the device features a specialized compensated temperature range from -30 to 40 deg C, where thermal drift is mathematically minimized by the internal ASIC. Electrical interfacing is standardized via an EN 175301-803-A angular connector, providing an IP65 enclosure rating when properly mated. This compact and lightweight sensor (0.168 kg) is optimized for direct mounting on piping or manifolds, providing a fast response time and high vibration resistance essential for compressor and evaporator control.

Technical Specifications

Technical FAQs

What is the advantage of a "Sealed Gauge" reference in refrigeration?

A sealed gauge reference uses a fixed 1 bar (14.5 psi) internal reference pressure instead of venting to the atmosphere. This prevents moisture-laden air from entering the sensor housing in humid or freezing environments, which could otherwise cause corrosion or frost damage to the sensing element.

How does the compensated temperature range impact the output signal?

The compensated range (-30 to 40 deg C) is the window where Danfoss guarantees the highest accuracy. Outside this range, the sensor remains operational, but the total error band may increase slightly due to thermal expansion or contraction of the sensing diaphragm.

Can the 060G2105 be used with ammonia (R717) refrigerants?

The AKS 33 series is generally compatible with most halogenated refrigerants. However, for ammonia applications, you must verify that the wetted materials of the 060G2105 are stainless steel and contain no copper components. Always cross-reference the specific chemical compatibility chart for the AKS series.

Engineering & Installation Guide

• Capillary Tube Installation: To protect the sensor from vibration and pressure pulsations generated by the compressor, it is a best practice to mount the 060G2105 using a short capillary tube. This also acts as a thermal buffer if the medium temperature fluctuates rapidly.

• Correct Connector Orientation: When installing the EN 175301-803-A angular connector, ensure the rubber gasket is correctly seated and the central screw is tightened. For optimal protection against moisture ingress (maintaining IP65), the cable should always lead downwards before entering the connector to create a "drip loop."

• Electrical Grounding: Ensure that the pressure transmitter body is grounded through the mechanical connection to the piping system. In systems with high electrical noise (such as those with large VFDs), use shielded 2-wire cables and ground the shield at the PLC/controller end only to prevent ground loops.