Handheld Tester Model hazardous liquids: SHD300 Features: Our company produces hazardous liquid tester has been in Beijing Metro, Shenzhen Metro, Shanghai Metro, Nanjing Metro, Hangzhou subway, Xi'an Metro, Eastern Airlines (Nanyuan Airport), Nanchang Railway Bureau, the Guangzhou Municipal Public Security Bureau and other units are widely used, and achieved good results, has been recognized by the user, the current market share of over 80%, with annual sales of more than 3,000 units. Technical parameters detected target: a sealed container liquid detection principle: electric principle container material: plastic / glass / ceramic detection volume: 50ml to an unlimited number of detection speed: less than 3 seconds to boot time: less than 1 second self-test time: less than 2 seconds automatically Correction: Boot automatic calibration, adjust the detection parameters according to environmental changes. Reset: reset the device with alarm after an alarm can be manual or automatic reset for the next test. Dimensions: mm (length) mm (W) mm (height) Housing: High-strength plastic Battery: 3V rechargeable lithium-ion battery, 1500 mAh capacity, with battery indicator Weight: 350g Working temperature: -10 ° C ~ 55 ° C Operating humidity: 0 ~ 99% RH (non-condensing) subjects liquid temperature: 0 ~ 40 ° C Power supply: 3V Alarm: red and green lights alarm power-saving mode: with flashlight function: mobile power function with :? have technical advantages of non-contact liquid detection technology. Without opening the container, convenience provincial testing. ? Detection speed, began to display the results from the detection of less than 3 seconds, suitable for crowded places. ? False alarm rate, the ability to identify strong liquid, safe and convenient, no radiation. ? Small size, light weight, easy to carry. ? Low power consumption, with a power-saving mode, long working hours and standby time. ? Ergonomic design, comfortable operation. Configuration Checklist 1. Host 1 2 3 1 Charger Operation Manual 1 4 1 5 certificate. Disc 1 1