JCB4 methane Alarm Lu Heng Electric

JCB4 methane Alarm Lu Heng Electric our core values: committed to making the most extensive customer enjoy the highest quality products and services, customers become the most trusted partner to expand Industry, China's electrical industry model. Alarm JCB4 methane with small size, light weight, simple operation, easy maintenance. The instrument uses a thin film touch switch, good sealing performance, accurate and reliable, JCB4 methane alarm device is a personal portable instruments. With sound and light alarm, clock display, voltage automatic shutdown feature. This instrument is widely used in the presence of explosive coal mine flammable gas mixtures in the work environment of continuous monitoring of methane concentration, and sound and light alarm when overrun. Detailed parameters proof type: Mine intrinsically safe and explosion-proof mark ExibdI measuring range: 0-4% CH4 measurement error: (0-1)% CH4 when ± 10% CH4;> 1% CH4, the true value of ± 10 % Alarm Range: (0.5-2.5)% CH4 alarm error range: (0.5-1)% CH4 when ± 0.10%> (1-2)% CH4 true value ± 10% when the alarm sound intensity: ≥80dB dark light visibility Department: 20m Battery life: 500 charge and discharge times (continuous working time: 9h) rated working voltage: DC3.6V open circuit voltage: DC4.3V Rated working current: ≤240mA short-circuit current: 2.6A Ambient temperature: 0-40 ℃; Atmospheric pressure: 86kpa-106kpa; Relative humidity: ≤98% (25 ℃); wind speed: 0-8m / s not enough to corrode metal shell damage and electrical insulating properties of the gas has no direct water spray and strong vibration impact our environment values: customer first, teamwork, professional dedication, innovation, positive action, forever young, brave and bare our team: integrity is the foundation to a passion for dynamic, hard work for the wisdom of a professional core, innovation Ji Ning Luheng powered Electric Equipment Co., landline: 0537-2080758 Fax: 0537-2585538 phone: 15965728997 QQ: 3179595347 Contact: Feng Yang