LS790B | Refrigerant Leak Detector

10 sensitivity ranges enable the LS790B to detect all non-combustible CFC, HCFC, HFC gases and blends.

SKU: LS790B Categories: ,
General Details

Combines the most advanced microcomputer circuitry with field proven Ion-pump sensor technology creating a highly sensitive, accurate electronic refrigerant leak detector. Over 100 computer generated tones and a high intensity bar graph display quickly alerts the user to varying halogen concentrations. Patented automatic calibration design eliminates the need for manual balance or tick rate adjustments while the user selectable 10 sensitivity ranges enables the LS790B to detect all non-combustible CFC, HCFC, HFC gases and blends.

Key Features

  • Individually calibrated to detect a leak rate of better than 0.25 oz/yr (7g/yr) of HFC
  • Patented Ion-Pump® sensor technology proven effective in detecting all refrigerant types
  • Patented water vapor filter provides greater stability under high humidity conditions
  • Patented automatic calibration circuit ensures optimal performance at all times
Detector Type Proprietary Ion-Pump sensor with built-in selective filter housing
Sensitivity Better than 0.25 oz (7g) / year leak rate of HFC
Sensitivity Selection Manual
Refrigerant Sensitivity All, including those with hydrocarbon components (CFC, HCFC, HFC, HFO, NH3, HC)
Visual Alarm High intensity LED
(Varies in brightness) High intensity bar graph display
Flex Probe 18˝ long metal flex probe
Operating Temperature 0 to 140ºF (-18 to 60ºC)
Controls 6 button keypad
Power (Battery Life) (4) AA alkaline batteries (>40 hr continuous use)
Weight 18 oz (500g)
Audible Alarms 128 computer generated tones to precisely guide user to the source of the leak
Lock-Out Mode Yes
Low Battery Indication Center LED above “*” lights during operation
Auto-Off Yes, after 15 minutes of inactivity
Sensor Life Replace seasonally
Warranty 2 years
Replacement Parts
LSXSF Selective Filter Housing
LSXBMK Maintenance Kit: (1) LSXS + (1) LSXSF
LSXS Ion-Pump Sensor
LSXBC Battery Compartment Cover (Yellow)
LSXC Fabric Carrying Case
LSXE Earphone

“LS790B is the best leak detector I’ve owned. This leak detector will pick up the smallest of leaks with no effort on my part. The alarm sounds funny, but man this thing works. I’m not going to use my old leak detector anymore after buying this CPS leak detector.” – Amazon Verified Purchase