Hilmor LDIR150 Infrared Refrigerant Leak Detector

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The LDIR150 is equipped with a large, easy-to-read TFT LCD screen. Compared with the traditional leak detector, its sensor has a longer life, higher detection accuracy, greater ease of use, and detects a wider range of refrigerants


This detector is in it for the long haul. The 10-year sensor life will keep up with all of your daily demands.


  • Extra Confidence: Built to last with a 10-Year sensor life.
  • Easy-to-Read: TFT LCD screen provides clear visual confirmation of the leak location
  • Added Convenience: Audible and visual notification for leak detection
  • Added Versatility: Works on all halogenated refrigerants.

1 x Hilmor LDIR150 Infrared Refrigerant Leak Detector, 10 x Filters, 1 x Charger, 1x Cable, 1x Accessory case.


Model Number LDIR150
Product Dimensions Length: 7.9″, Width: 3.3″, Height: 1-1/2″, Weight: 14.6 oz.
Specifications Sensitivity – (0.14 oz/year) 4 grams/year
Sensor Type Infrared Spectrum Absorbtion
Sensor life 10 years (Typical)
Response Time 3 Seconds
Warm-Up Time 30 Seconds
Operating Environment 32°F (0°C) to 104°F (40°C)
at < 75% RH (non-condensing) 32°F (0°C) to 104°F (40°C)
at < 75% RH (non-condensing)
Display Method TFT LCD Display
Notificatoin Mode TFT LCD Display & Audio
Battery Built-in rechargable Lithium Battery
3.7V, 3,000mAhBuilt-in rechargable Lithium Battery
3.7V, 3,000mAh
Battery Saver Automatic Shutdown after
10 Minutes of inactivityAutomatic Shutdown after
10 Minutes of inactivity
Working Time 6 Hours
Charging Time 4 hours
Certifications SAE J1627, SAE J2791, SAE J2913, EN14624: 2012
Refrigerants Detected It will detect all halogenated (including Chlorine or Fluorine) refrigerants. This includes, but is not limited to:
CFC: R12, R11, R500, R503
HCFC: R22, R123, R124, R502
HFC: R134A, R404A, R410A, R407C
CH: R600A


Hilmor LDIR150 Infrared Refrigerant Leak Detector English Manual