Professional HVAC Refrigerant Leak Detector with Heated Diode Sensor, Gas Leak Detector for R410A/R134A/R1234YF, CFCs/HCFCs | Handheld AC Diagnostic Tool with Digital Display & Audible Alarm

Price: GBP57.09 - GBP44.45
(as of Jun 05, 2026 00:52:22 UTC – Details)

Product description

Vanlison Professional Refrigerant Leak Detector

The Refrigerant Leak Detector, which with advanced heated diode sensor, can be detect leaks 20x more precisely than soap bubble methods (0.1oz/yr sensitivity), pinpointing even microscopic refrigerant leaks in HVAC/R systems, automotive AC units, and commercial refrigeration.

*Wide Applications:

—Air Conditioning Repair—

——–Car Repair———

—-Refrigerator Repair—-

-Pipeline Equipment Repair-

*Specifications:

Sensor type: heated diodeSensor life :1000 hours typicalSensitivity level: High/ medium/ low (optional)Maximum sensitivity: 0.05oz/ yr (1.5g/ a) stationary ;0.1oz/ yr (3g/ a) in motionRefrigerants: HFC, HCFC, CFC, HFOs and blendsResponse time :<1 second typicalWarm-up time :30 secondsNumerical display: seven segment digital display 0 to 9Battery type: AA 1.5V *4Battery life :4-6 hours continuousOperating environment : 32 ℉ to 104 ℉(0℃ to 40℃),<75% RH non condensingStorage Environment: -10℃ to 50℃,<80% RH

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Customer Reviews

4.1 out of 5 stars 24

4.5 out of 5 stars 20

4.1 out of 5 stars 10

3.1 out of 5 stars 22

3.9 out of 5 stars 11

Price

GBP 60.13GBP60.13 GBP 37.02GBP37.02 GBP 71.21GBP71.21 GBP 22.26GBP22.26 GBP 32.41GBP32.41

Functions
Dual Digital Gauge HVAC, Vacuum Pressure/Leak Test/Diagnostic Tool/HVAC Maintenance Digital Refrigerant Gauge, Pressure/Vacuum/Leak Test | Auto & Home HVAC Maintenance Wind Speed Meter / Air Flow Measurement / Measures CFM/CMM/Temperature Ultrasonic Detection for HVAC/Automotive/Industrial Use, Gas/Air/Water Leakage Digital Manometer / Gas Pressure Tester

Power Source
3 AA Batteries, Included 2 AA Batteries, Included 3 AA Batteries, Included 2 9V Alkaline Batteries, Included 1 9V Alkaline Batteries, Included

【Pro-Grade Accuracy】Advanced heated diode sensor detects leaks 20x more precisely than soap bubble methods (0.1oz/yr sensitivity), pinpointing even microscopic refrigerant leaks in HVAC/R systems, automotive AC units, and commercial refrigeration.
【Smart Digital Display & Alerts】Real-time numerical readout with 0.01oz resolution + dual warning system (90dB buzzer & LED alerts) ensures reliable leak detection in noisy workshop environments.
【3-Mode Sensitivity Control】Optimize detection with High/Medium/Low settings – perfect for tracing leaks in complex systems from residential heat pumps to industrial chillers (R410A/R22/R404A/R134A/R1234YF compatible).
【Engineer-Approved Design】One-touch mute button & ergonomic controls allow gloved operation. 30-second warmup ready for instant leak checks – complete 3x faster than conventional detectors.
【Universal Refrigerant Coverage】Detects ALL halogen-based coolants: CFCs, HCFCs, HFCs, HFOs (including newer R1234YF) + blends like AZ-50/MP39. certified sensor responds in <1 second with zero false positives. Powered by 4x AA batteries (included).