Halogen Leak Detector HD02 delivers fast and accurate detection of refrigerant leaks in air conditioning systems, including R22, R32, and R134a. Its high-sensitivity sensor detects leaks as small as 0.5 ounces per year with 1PPM resolution. The device sets a default alarm value at 600PPM and warns users through beep sound, screen display, and red backlight for maximum clarity. Halogen Leak Detector HD02 measuring range of 0–1000PPM and a rapid response time under 10 seconds, it helps technicians locate leaks quickly. Features such as auto shut-off and backlight auto-off enhance convenience and extend service life, making it a reliable tool for HVAC leak testing and maintenance.
Functions
| Detect gas | R22.R32.R134a |
| Display | Ordinary screen |
| Sampling method | Diffusion type |
| Measuring range | 0-1000PPM |
| Measuring Resolution | 1PPM |
| Maximum sensitivity | R22/T134A@0.5 Ounces per year (14 grams per year) |
| Preheating calibration time | 30 seconds countdown |
| Response time | <10 seconds |
| Default alarm value | 600PPM |
| Alarm method | Beep alarm + screen display + red backlight alarm |
| Temperature measurement | Range:-10℃-60℃ |
| Accuracy:±1.5℃ | |
| Resolution:0.1℃ | |
| Automatic shutdown | 10 minutes |
| Backlight auto turns off | 3 minutes |
| Working current | About 120mA |
| Operation temperature | 0-60℃ |
| Working humidity | ≤90%RH |
| Storage environment | -10-60℃/≤85%RH |
| Power support | 2*1.5V AAA |
| Size | 135*57*29 (mm) |
| Weight | About 180g (excluding battery) |
Factory Showcase
Mestek achieves high standards and high consistency in product inspection and calibration through precise machinery and a clean environment.











