Detailed Selling Lead Description
1、Hot wire type sensor
2、Power:110VAC/220VAC/230VAC 、9V-20VDC
3、Working temperature: -40degree~80 degree 
4、Alarm density: Coal gas: 1000~5000ppm, Liquid petroleum gas:1000~10000ppm, natural gas: 1000ppm~5000ppm 
5、Interconnecting Gas detector   
  (1)Circuit for normally closed rely contacts 
  (2) Circuit for normally opened rely contacts 
Weight:200g/pcs