This is a CPS Leak-Seeker Model LS790B refrigerant leak detector. It’s tested and working — the sensor, alarm, and adjustable sensitivity functions all operate properly.
Please note: the battery cover is missing (see photos), but the unit still powers on and functions as intended.
This handheld refrigerant leak detector is designed for use with HFC-134a and CFC-12 refrigerants, and is UL listed for professional HVAC/R use.
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Condition:
• Condition: Used, tested, and fully functional
• Cosmetic: Moderate wear and discoloration consistent with regular use
• Missing: Battery compartment cover
• Battery Type: 1 × 9V (not included)
• Sensor Arm: Fully intact and responsive
• Buttons and LEDs: All responsive and readable
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Features:
• Detects leaks of R-134a, R-12, and other refrigerants
• Adjustable sensitivity with Lockout and Alarm Select functions
• Flexible probe for reaching tight spaces
• Built for HVAC technicians and A/C repair
• Durable CPS yellow housing design
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Included:
✅ CPS Leak-Seeker LS790B Unit (tested working)
❌ Battery not included
❌ Missing rear battery cover