Ensure safety and accuracy in detecting combustible gases with this advanced Combustible Gases Detector, designed for portability and precision. Crafted from durable ABS plastic, this compact and dustproof device features high-precision semiconductor sensors that deliver fast and reliable responses for accurate gas leak detection. Its color LCD display with backlight and concentration bar provides clear readings even in low-light environments, automatically adjusting the display color based on gas concentration levels for intuitive monitoring. Key Features: · Compact and Portable Design: Lightweight and easy to carry, the fallproof and dustproof ABS body ensures durability and convenience for on-the-go use. · High-Precision Semiconductor Sensors: Offers quick response times and enhanced accuracy for detecting a wide range of combustible gases. · Color LCD Display with Backlight: Provides clear, visible data readings day or night, with a concentration bar that visually indicates gas levels through automatic color changes. · Dual-Mode Functionality: Switch effortlessly between combustible gas concentration testing and thermohygrometer mode to measure temperature and humidity, meeting diverse testing requirements. · Wide Gas Detection Range: Capable of detecting numerous gases including propane, ammonia, benzene, gasoline, hydrogen, natural gas, carbon monoxide, methane, ethanol, hydrogen sulfide, phosphine, and many more. · Multifunctional Controls: Features automatic calibration, manual zeroing, high and low sensitivity adjustments, and temperature unit switching between °C and °F for customizable operation. · Sound and Light Alarm: Dual alarm system emits audible beeps and increases the concentration bar level to alert users immediately upon detecting combustible gas leaks. · Four Model Options: Choose from battery-powered (ZL72A, ZL73A) or rechargeable versions (ZL72B, ZL73B) to suit your specific needs. · Extended Flexible Probe (ZL73A & ZL73B only): Equipped with a retractable, wear-resistant universal flexible probe with protective sleeve and 180° adjustability, ideal for hard-to-reach areas. · Built-in LED Flashlight (ZL73A & ZL73B only): Integrated flashlight enhances usability in dark or low-light working environments. · Wide Application Scope: Perfect for detecting leaks in water heating devices, gas pipelines, industrial waste gases, oil stations, and various other industrial and residential settings. Specifications: · Material: ABS Plastic · Models: ZL72A (Battery), ZL73A (Battery), ZL72B (Rechargeable), ZL73B (Rechargeable) · Battery: ZL72A/ZL73A - 3 x 1.5V batteries (not included); ZL72B/ZL73B - 1 x 1000mAh rechargeable battery (included) · Display: Color LCD with backlight · Test Range: 50–10,000 ppm · Sensitivity: <50 ppm (methane) · Accuracy: ≤10% FS (ZL72A/ZL72B), ≤5% FS (ZL73A/ZL73B) · Response Time: 2 seconds · Warm-up Time: 30 seconds · Alarm Modes: Analog bar and beep · Humidity Detection: 10–99% RH · Temperature Range: -10°C to 60°C · Temperature Unit Switch: °C/°F · Manual Zeroing: Yes · Automatic Calibration: Yes · High/Low Sensitivity Adjustment: Yes · Sound On/Off: Yes · Automatic Shutdown: Yes (can be canceled) · Dimensions: ZL72A/ZL72B - 177 x 47 x 27 mm; ZL73A/ZL73B - 207 x 47 x 27 mm · Weight: ZL72A/ZL72B - 125g; ZL73A/ZL73B - 177g Package Includes: · 1 x Combustible Gases Detector · 1 x User Guideline This Combustible Gases Detector combines portability, precision, and multifunctionality to provide an essential safety tool for professionals and homeowners alike. Its versatile gas detection capabilities and user-friendly features ensure reliable performance in a variety of environments, making it an indispensable device for early gas leak detection and environmental monitoring.