

Extech RD350 Refrigerant Leak Detector
The Extech RD350 Refrigerant Leak Detector is a professional-grade tool designed for HVAC technicians to quickly and accurately detect refrigerant leaks. Its heated diode sensor offers high sensitivity, and the device features both audible and visual alerts, making leak identification straightforward even in challenging environments.
Description
The Extech RD350 is engineered to meet the demands of HVAC professionals requiring precise refrigerant leak detection. Equipped with a heated diode sensor, it boasts a sensitivity of just 3 grams per year, ensuring even the smallest leaks are identified promptly. The device is compatible with a wide range of refrigerants, including R-22, R-134a, R-404A, R-410A, and HFO-1234yf.
A standout feature of the RD350 is its tri-colored LED leak level indicator, which provides immediate visual feedback on leak severity. This is complemented by a variable intensity audible alarm, allowing technicians to assess leak levels without needing to constantly monitor the display. The 15.5-inch flexible probe facilitates access to tight or hard-to-reach areas, enhancing the versatility of the tool.
Designed with user convenience in mind, the RD350 includes an ambient concentration reset function, ensuring accurate readings in varying environmental conditions. It also offers a warm-up time of approximately 45 seconds, minimizing downtime during inspections. The device operates on four AA batteries and comes with a reference leak and a hard carrying case for protection and portability.
Whether you’re servicing residential HVAC systems or conducting industrial refrigeration maintenance, the Extech RD350 provides the reliability and precision needed to detect and address refrigerant leaks efficiently.
Features
- High Sensitivity Detection: Detects refrigerant leaks as small as 3 grams per year.
- Wide Refrigerant Compatibility: Supports R-22, R-134a, R-404A, R-410A, HFO-1234yf, and other common refrigerants.
- Tri-Colored LED Indicator: Provides immediate visual feedback on leak severity.
- Variable Audible Alarm: Adjustable intensity to suit different environments.
- Flexible Probe: 15.5-inch stainless steel probe for accessing tight spaces.
- Ambient Concentration Reset: Ensures accurate readings in fluctuating environments.
- Quick Warm-Up: Ready for use in approximately 45 seconds.
- Battery-Powered: Operates on four AA 1.5V batteries.
- Portable Design: Comes with a hard carrying case for easy transport.
- Reference Leak Included: Allows for calibration and verification of the detector’s performance.
Includes
- Refrigerant Leak Detector
- Reference Leak Bottle
- Carrying Case
- 4 x AA Batteries
- Quick Start Guide