1 piece pressure transducer compatible with air conditioning systems and microcontroller projects. Key benefits - Converts refrigeration or air conditioning system pressure into a usable electrical signal for monitoring and control, enabling accurate pressure-based decisions in equipment and prototypes. - Direct compatibility with part numbers 42-1313, 3HMP2-8, and 421313 makes this unit suitable as a replacement component or as a matched sensor in existing systems. - Easy integration with Arduino and other microcontroller platforms for data logging, automated control, and real-time diagnostics, reducing development time. - Compact form factor that fits into control boxes and test fixtures, helping save space during installation or prototyping. - Solid electronic component designed for repeatable performance in control and measurement applications. Product highlights and attributes - Function: Pressure transducer for air conditioning applications that provides an electrical output corresponding to system pressure for use by controllers and monitoring circuits. - Compatibility: 100 percent compatible with models 42-1313, 3HMP2-8, and 421313; suitable for projects and equipment referencing these part numbers. - Integration: Intended for use with Arduino and similar development boards when paired with appropriate interface circuitry and power source. - Use conditions: Suitable for installation in HVAC diagnostics, control panels, and prototype rigs where pressure feedback is required. - Quantity: 1 piece per lot. Practical use scenarios - Prototype HVAC controller: Use the transducer with an Arduino-based controller to monitor refrigerant pressure, trigger fans or compressors, and log pressure over time for tuning and validation. - Field replacement: Swap a failed pressure sensor that lists part numbers 42-1313, 3HMP2-8, or 421313 to restore pressure feedback in service equipment or test stands. - Diagnostic test rig: Integrate the transducer into a bench test setup to verify system pressures, calibrate switches, and capture pressure data during maintenance procedures. What you receive - One pressure transducer compatible with air conditioning applications and the listed model numbers, ready for electrical integration into control or monitoring circuits. Notes for installation - Verify electrical connection and signal conditioning requirements against your controller or measurement device before permanent installation. - Use appropriate fittings and mounting procedures for the target system to ensure secure mechanical and electrical connections. This transducer provides a direct, compatible solution for monitoring and controlling air conditioning system pressure in replacement, prototyping, and diagnostic applications.