Detector de gas simple tipo bomba de succión

Artículo No.:2205 Test gas: Combustible or toxic gas Detection Mode: natural diffusion Detection Principle: Semiconductor/catalysis/electrochemistry Indication Method: LCD displays real-time concentration Interface Definition: U3 port (USB) Power : lithium-ion rechargeable battery Alarm Method: LED, sound and vibration-three ways of alarm Working Environment: Combustible: -40 °C-70 °C; Toxic: -20 °C-40 °C;Humidity (20-93)% RH Response Time: Flammable<30 seconds; Toxicity<60s Medium Working voltage: 3.7V 1700mAh External dimensions: 100mmx58mmx 30mm