ALD-200 Refrigerant Leak Detector HVAC with 3 Sensitivity Modes & 2 Alarms — Open-Box, 24% Off

【Precise Leak Detection Across Multiple Refrigerants】 Powered by a high-precision hot diode sensor, the R290 leak detector accurately detects A1, A2L, and A3 refrigerants (including R410A, R32, R454B, R290, R600) as well as tracer gases such as H2/N2. One device works across multiple systems, reducing the need for separate tools. 【Intelligent Multi-Alert System for Faster Leak Identification】Equipped with audible and visual alerts plus a TFT display, the R600A leak detector responds instantly to leaks. The alarm intensity increases with concentration, while the screen provides clear, real-time feedback in both low-light and bright environments. 【High Sensitivity for Micro & Hard-to-Find Leaks】With three adjustable sensitivity levels and detection down to 0.14 oz./yr., the r454b refrigerant leak detector quickly locates micro and slow leaks. The flexible probe allows precise detection in tight areas where traditional methods often fail. 【Durable, Field-Ready Construction】 This hvac tester features rugged, oil-resistant, and impact-resistant housing that protects the sensor and electronics, ensuring reliability in harsh HVAC and automotive environments. 【3000mAh Battery – All‑Day Field Power】With a 3000mAh built‑in rechargeable battery, this r134a leak detector supports multiple jobs per charge. No disposable batteries needed – a reliable choice for field technicians, contractors, and small businesses who need a freon sniffer that lasts all day. 【Professional & DIY Ready】Trusted by HVAC technicians, automotive mechanics, and DIY enthusiasts, the freon sniffer delivers high-end precision at a fraction of the cost, making it perfect for inspections on heat pumps, AC units, refrigeration systems, and automotive AC. 【Wide Refrigerant Compatibility – A1, A2L, A3】This AC leak detector covers all common refrigerants across A1 (R410A, R134a, R404A, R407C, R507), A2L (R32, R454B, R1234yf), and A3 (R290, R600a), plus H₂/N₂ tracer gas. It also supports key HCFCs like R22 and HFOs like R1234ze, ensuring broad coverage for residential, commercial, and automotive systems. One detector, multiple refrigerants – no need for separate tools. 【High‑Visibility Color Graphic Panel】This r410a leak detector comes equipped with a 2.8‑inch TFT color display that delivers clear, easy‑to‑read information under any lighting condition. Whether working in a poorly lit basement or under harsh outdoor sunlight, the screen maintains optimal contrast and readability for accurate diagnostics. 【Intelligent Operational Features】Peak Mode and a reset function enhance the usability of this air conditioning leak detector. Peak Mode records the highest leakage value detected, while the reset capability recalibrates the sensor on demand to suppress nuisance alarms – two smart features that make daily HVAC service work more efficient and dependable. Simbow LD-200 Refrigerant Leak Detector is the ideal tool in HAVC system maintenance and car a/c repairing. With high-precision inner sensor, high sensitivity, long sensor‘s life, long battery standby time, it will become your best workmates to detect all kinds of refrigerant gas leakage.

Specifications:
Sensor principle: heated diode
Sensor life: 10 years
Sensitivity: max 4g / yr
Alarm mode: sound and light alarm, LCD display
Battery: built-in rechargeable lithium battery 3.7V 3000mAh
Working time: continuous 6H
Charging:4 hours
Operating environment: -10°C -52°C relative humidity (50% ~ 85% RH)
Storage temperature: -20°C to 60°C (-4°Fto 140°F)
Weight:415g (14.6oz)
Size: 201 mm * 86mm * 38mm (7.9"* 3.3"*1.5”)
Certification: SAE_ J1627，SAE_ J2791，SAE_ J2913; EN14624: 2012; CE certification