Extech Refrigerant Leakage Detector

The RD300 Refrigerant Leakage Detector detects leakages from air-conditioning units and cooling systems. It's easy to use and is ideal for detecting leakages from air-conditioning units and cooling systems that use all standard refrigerants. The multi-colored LED light bar indicates the level of leaking refrigerant detected by the RD300. The built-in, bright LED convenience light located at the sensor tip illuminates dimly lit inspection areas. Complete with leak test bottle, 9V battery, and protective hard carrying case.

Features:

Detects all standard refrigerants using a heated diode sensor
LED light at probe tip (with on/off switch) for working in dimly lit areas
LEDs display user-selectable High/Medium/Low levels with sensitivity of 0.25/0.50/0.99 oz per year
Audible and Visual alert with mute button
Low battery indicator
Field replaceable sensor and LED light tip
Complete with leak test bottle, 9V battery, and protective hard carrying case