Electronic Corona Halogen：
WJL-6000S/CLD-100/HLD-100+
The value provided by the first generation, upgrading conventional soapy water detection to electronic detection.
The beginning of the transformation from physical detection to electronic detection, realizing the first qualitative leap.
Applicable scenarios: leak detection of refrigeration and automotive air conditioning systems.
Problems solved: conventional soapy water contaminates the construction scene, which will cause a risk of short circuit.

Heating Diode Leak Detector:
LD-100+/LD-100/LD-200
The innovation of semiconductor technology makes the product more sensitive , the sensor life is prolonged, the function is diversified, and the leak point can be located more quickly.
Applicable scenarios: leak detection of refrigeration and automotive air conditioning systems.
Problem Solved: easy to misjudge the problem.

Infrared Leak Detector:
ILD-100/ILD-200/ILD-300
Infrared detection technology is applied to refrigerant leakage detection, which has stronger anti-interference ability, and the sensor adopts non-contact method, which improves the product life qualitatively.
Applicable scenarios: leak detection of refrigeration and automotive air conditioning systems.
Problem Solved: high concentration refrigerant easily damages the sensor, longer life.

On the basis of the original infrared leak detector, the leakage amount can be accurately analyzed, opening a new chapter for intelligent detection and digitization.
Applicable scenarios: Leak detection of industrial refrigeration and automotive refrigeration and air conditioning systems.
Problems Solved: unable to quantitatively display, unable to record concentration, unable to OTA upgrade.
It realizes the transformation from conventional electronic leak detection to intelligent leak detection , and prepares for the second leap of the industry.
METRUM is more suitable for professional application fields such as industrial AC&refrigeration equipment leak detecting.
Through more accurate leakage analysis, the comprehensive upgrade of refrigeration system detection from infrared + semiconductor to digital and intelligent has been realized, which is a milestone in the development history of refrigeration leak detection tools.