Fieldpiece DRX3 – Refrigerant & Combustible Gas Leak Detector | Detects A3/A2L/A1 Refrigerants | Lightweight HVAC Tool

Overview

The Fieldpiece DRX3 is a compact leak detector designed for HVAC professionals who value fast, reliable feedback on refrigerant and combustible gas leaks. Its heated diode sensor is field replaceable, delivering quick, actionable results across a broad range of refrigerants and gases. Built for the realities of the job, the DRX3 supports HC, HFC, HCFC, CFC, HFO blends and tracer gas mixes using H2/N2, making it a versatile tool for service, retrofit, and diagnostic work.

What it detects and how it helps

• Detects A3, A2L and A1 refrigerants and combustible gases with a field replaceable heated diode sensor
• Supports HC, HFC, HCFC, CFC, HFO blends and H2/N2 tracer gas blends
• Rugged yet lightweight design with long life batteries for field reliability
• Auto and manual zero modes plus high, medium and low sensitivity settings
• Clear feedback through multiple visual and audio indicators that reflect leak intensity

Designed for busy job sites, the DRX3 combines portability with durability. It is easy to carry through a building, yet resilient enough for daily use. The kit includes a heated diode sensor and a blow molded case to protect the unit between jobs.

Practical benefits and on the job use

• Fast survey of refrigerant lines on HVAC systems to identify potential leaks without bulky equipment
• Signal strength helps triage suspect areas and prioritize service steps
• Zero mode options establish a clean baseline before testing and retesting
• Multiple sensitivity levels let you tailor detection to large or small leaks
• Visual and audible cues enable leak assessment while keeping hands on the work

For a streamlined workflow, pair the DRX3 with the Fieldpiece Job Link System app to log results, capture timestamped events, and keep field notes organized. This all in one leak detector blends sensor versatility with portability and protective casing, supporting a wide range of HVAC tasks from routine checks to troubleshooting. While results can vary by environment and setup, the DRX3 offers a thoughtful combination of feedback and control that can help technicians make informed decisions on the job.