Shenzhen ARCO Electronics Ltd. Is a high-tech enterprise, accumulating strong R&D processions for instruments under the brand of Smart Sensor, specializing in manufacturing and sales of instrumental products like Infrared Thermometer, Sound Level Meter, Anemometer, Humidity and Temperature Meter, Lux Meter, Ultrasonic Range Finder, Stud / Metal / AC Wire Detector, Combustible/Refrigerant Gas Detector, Metal Detector, Vibration Meter, Thickness Gauge, Insulation tester, Earth Resistance Tester, ...