Oil paint alarm Technical parameters: Work: automatic inspection Output voltage: DC24V @ 3A (detector power supply) Communication interface: RS485 Display: large-screen LCD Chinese green communication distance: <1000 m alarm function: 2 alarm, freedom to set an alarm detection principle: catalytic combustion detection method: natural diffusion-type product size: 158 × 130 × 63mm Detection principle: air combustible gas work: Long-term continuous Response time: ≤ 15S detection range: 0 - 100% LEL (lower explosive limit) detection error: no more than ± 3% LEL Ambient temperature: -20 ℃ ~ +50 ℃ Output signal: switch Relative Humidity: 30% ~ 95% Operating voltage: DC10V ~ DC30V Sensor Life: 3 years Signal transmission distance: <1500 m working pressure; (86 ~ 106) kPa Weight: 1kg Line Interface: within 1/2 inch thread Explosion levels: Exd Ⅱ CT6 (flameproof) Communication: relay output Product performance standards: "GB3836. 1-2000 "" GB3836.2-2000 "gas alarm manufacturer Shandong Jinan Ruian Electronics Co., Ltd. specializes in combustible (toxic) gas concentration detection alarm device R & D, production, sales and after-sales in one of the manufacturers. Jinan Ruian Electronics Co., Ltd. Contact: Jia Advisor 0531 -82,373,408 Mobile: 15666776044 E-mail: 2924425084@qq.com QQ: 2924425084