Product Type: CCZ20 type 

 Safety signs coal No.: MFA060011 

 Description: 
 The product has high performance suction pump, automatic time control circuit, flow control circuit, automatic feedback constant current circuit, undervoltage alarm circuit protection, security, power light composition. With no pulse flow, negative pressure, load capacity. Automatic timing sampling, safe, reliable, durable, easy to use and so on. Can be widely used in industrial and mining enterprises, labor safety, hygiene and environmental protection departments, determination of the concentration of airborne dust.