Executive Standard: 1.JJG standards: 1.JJG Standard: "JJG (coal) 09-2008 Carbon Monoxide Detection Alarm", "JJG (coal) 10-98 Oxygen Detection Alarm", "JJG (coal) 11-98 Methane Oxygen Detection Alarm "" JJG (coal) 12-98 methane carbon monoxide detection alarm "," JJG 678-2007 catalytic combustion of methane measuring device test procedures "," JJG915-2008 carbon monoxide detector alarm verification procedures. " 
 2.AQ standards: AQ6207-2007 "Portable Methane Detection Alarm carrier", AQ1029-2007 "coal mine safety monitoring system and instrumentation use management practices." 
 3.MT standards: MT703-1997 "Mine portable electrochemical carbon monoxide measuring device technical conditions", "Coal Mine Safety Regulations 2010 Edition" 
 4.GB standards: GB13486-2000 "Portable Methane Detection Alarm Heat" 
 Usage: latest development of the only alarm device for a variety of specialized test equipment for calibration, more lightweight, portable, all kinds of methane, carbon monoxide, oxygen, carbon dioxide and other non-corrosive gas detection instrumentation for test, test, calibration . Features: 
 Users only need to configure the standard gas cylinder unit to complete the whole error checking process: 
 1 calibration device can simultaneously carry out five gas alarm device calibration, test; 
 2 can simultaneously access different concentrations, respectively, the standard gas calibration, test; 
 3 is equipped with high-precision digital timer, accurate to 0.01S; 
 4 full realization of GB13486-2000 "Portable Methane Detection Alarm Heat", AQ6207-2007 "Portable Methane Detection Alarm carrier" of the error detection requirements. 
 5. Coherent flexible and reliable single instrument can simultaneously five gases measured, but also according to different requirements of each instrument individually determined. 
 6 looks, rugged, simple and convenient. 

 Main technical specifications: 
 1 Methane (% CH4): 0.5,1.5,3.0: 
 (2) two standard methane gas, the uncertainty level of ≤ 3%; 
 3 meter: 60 ~ 600mL/min; 
 4 Digital Timer :0-9999 .9999 H, Accuracy: 0.01S 
 5. Input Power: AC 220V ± 10%, 50Hz; 
 6 Dimensions: (L * W * H) 400 * 300 * 400 (MM) 
 7 detection approach: 5-way