Ammonia Gas Detector body { font-family: Arial, sans-serif; line-height: 1.6; } h2 { color: #333; } ul { list-style-type: disc; margin-left: 20px; } .specifications, .package-included { margin-top: 20px; } Features High Precision Detection: Experience quick and accurate ammonia gas measurement using an advanced electrochemical sensor, ensuring reliable readings. Large LCD Display: Effortlessly monitor ammonia gas concentration with a large, easy-to-read screen. Audio and Visual Alarm: Stay alerted to dangerous levels with customizable high and low audio alarms and a vivid red light alert. Portable and Easy to Use: The handheld design makes it convenient to carry and operate across a range of settings, including gas stations, hospitals, agroforestry, and environmental monitoring. Long Battery Life: Operate continuously for over 50 hours on a single charge with a 3.7V rechargeable lithium battery. Specifications Model: AT8500 Material: ABS Detection Gas Type: Ammonia Measuring Range: 0~100ppm Resolution: 0.1ppm Accuracy: >50PPM: ±6% Temperature Range: -10°C~50°C Response Time: T90 ≤120 seconds Recovery Time: ≤120 seconds Sensor Principle: Electrochemical, 2-year lifespan Display: TN Segment type LCD Alarm Mode: Acoustic and light double alarm Power Supply: 3.7V rechargeable lithium battery Operation Time: >50 Hours (continuous working) Working Environment Condition: -10℃~50℃ Item Size: 180 * 65 * 32mm / 7.08 * 2.55 * 1.25in Item Weight: 149g / 5.25oz Package Weight: 359g / 12.66oz Package Size: 24.5 * 9.5 * 6cm / 9.64 * 3.74 * 2.36in Package Included 1 x Ammonia Gas Detector 1 x USB Charging Cable 1 x Storage Bag 1 x Battery 1 x User Manual (English)