Ensure safety and accuracy in detecting combustible gases with this advanced Combustible Gases Detector, designed with a compact and durable ABS plastic body that is both fallproof and dustproof. Featuring a high-precision semiconductor sensor, this portable gas detector provides rapid response and highly accurate measurements, making it ideal for various industrial and residential gas leak detection needs. Key Features: · Compact and Portable Design: The lightweight and ergonomic ABS plastic housing ensures easy carrying and operation, suitable for use in diverse environments. · High-Precision Semiconductor Sensor: Delivers fast and accurate detection of multiple combustible gases, enhancing safety and reliability. · Color LCD Display with Backlight: Clear, easy-to-read color LCD screen with backlight allows for visible data reading even in low-light or nighttime conditions. The concentration bar display automatically adjusts color according to gas concentration levels. · Dual-Mode Functionality: Supports seamless switching between combustible gas concentration testing and thermohygrometer mode for temperature and humidity measurements, meeting versatile testing requirements. · Broad Gas Detection Range: Capable of detecting a wide variety of gases including propane, ammonia, benzene, gasoline, hydrogen, natural gas, carbon monoxide, methane, ethylene oxide, butane, ethanol, acetylene, hydrogen sulfide, phosphine, and more. · Multifunctional Operation: Features automatic calibration, manual zeroing, high and low sensitivity adjustment, and temperature unit switching between Celsius and Fahrenheit for customized and precise monitoring. · Sound and Light Alarm: Equipped with dual alarm indicators that emit audible beeps and visual concentration bar alerts when combustible gas leaks are detected, ensuring immediate user notification. · Four Model Options: Available in four variants—ZL72A (Battery), ZL73A (Battery), ZL72B (Rechargeable), and ZL73B (Rechargeable)—to suit different power preferences and operational needs. · Extended Flexible Probe (ZL73A & ZL73B Models): Includes a universal flexible gooseneck probe with protective sleeve, which is retractable, wear-resistant, and adjustable up to 180°, allowing for easy access in hard-to-reach areas. · Built-in LED Flashlight (ZL73A & ZL73B Models): Integrated LED flashlight enhances visibility in dark or confined spaces, facilitating convenient nighttime or low-light inspections. · Wide Application Range: Ideal for detecting leaks in water heating devices, gas pipelines, industrial waste gases, oil stations, and other environments requiring reliable combustible gas monitoring. Specifications: · Material: ABS Plastic · Models: ZL72A (Battery), ZL73A (Battery), ZL72B (Rechargeable), ZL73B (Rechargeable) · Power Supply: 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: ZL72A/ZL72B ≤10% FS; ZL73A/ZL73B ≤5% FS · Response Time: 2 seconds · Warm-up Time: 30 seconds · Humidity Detection: 10–99% RH · Temperature Range: -10°C to 60°C · Temperature Unit Switch: Celsius/Fahrenheit · Alarm Mode: Analog Bar and Audible Beep · Manual Zeroing: Supported · Sound On/Off: Supported · Automatic Shutdown: Supported (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 (model as selected) This Combustible Gases Detector combines precision, versatility, and user-friendly features in a compact design, making it an essential tool for professionals and homeowners to detect gas leaks quickly and accurately, ensuring safety in various applications.