Locate hard-to-find climate control leaks with speed and precision using the Robinair Premium Refrigerant Leak Detector (SKU: LD7). Built for automotive service technicians, fleet mechanics, and HVAC specialists, this high-performance robinair leak detector utilizes an advanced solid-electrolyte heated sensor to detect trace refrigerant leaks across modern vehicle platforms and stationary cooling systems.
The Robinair LD7 features a full-color graphic display that visually alerts technicians to leak intensity via a dynamic bar graph and audio signal. Its unique Sweep Mode graph tracks real-time concentration peaks to pinpoint the exact leak source around fittings, evaporators, and line crimps. Equipped with integrated UV LED inspection lights to assist with dye detection, ergonomic rubber grips, and automatic ambient reset capabilities, this professional refrigerant leak detector ensures fast, accurate diagnostics on every service call.
Key Features & Capabilities
Full-Color Graphic Display: Provides visual sweep graphs, signal intensity bars, battery status, and sensor health monitoring at a glance.
Heated Solid-Electrolyte Sensor: Detects leaks at 0.05 oz/year for R-134a and 0.0123 oz/year for R-1234yf.
Integrated UV LED Lights: three UV LEDs illuminate UV fluorescent dye in dark engine compartments to visually confirm leak sites.
Automatic Ambient Reset: Automatically calibrates to background refrigerant levels to pinpoint leaks in contaminated shop environments.
Multi-Refrigerant Compatibility: Detects all HFC, HFO, HCFC, and CFC refrigerants, including R-134a, R-1234yf, R-12, R-22, and R-410A.
Technical Specifications
Model: Robinair Premium Refrigerant Leak Detector (LD7)
SKU: LD7
Sensor Type: Heated Solid-Electrolyte Sensor (10-year life expectation)
Sensitivity Level: 0.05 oz/year for R-134a; 0.0123 oz/year for R-1234yf.
Display: Full-Color TFT LCD Screen
Application: Automotive passenger vehicle, heavy truck, commercial fleet, and HVAC/R leak detection
LD7: questions before buying
What does LD7 add compared with LD5?
LD7 adds a sweep-mode graph and UV LEDs for inspecting fluorescent dye. Both models offer a color bar-graph display, audible alerts and an inspection light.
Does it detect R-134a and R-1234yf?
Robinair lists both refrigerants. Published sensitivity is 0.05 oz/year for R-134a and 0.0123 oz/year for R-1234yf. Follow the manual’s inspection procedure.
| Model | Bar graph / audible alert | Sweep graph | UV dye lights |
|---|---|---|---|
| LD5 | Yes | No | No |
| LD7 | Yes | Yes | Yes |
Manufacturer specifications and operating instructions: Robinair LD7, Robinair LD5.
