Inquiry (采购产品): Model 438A Electronic Vibration Switch I will installing the vibration switch on a veticle cement mill. I need a complete installation manual along with the specs for the unit. Could you Email one to my address? Thanks for your assistance in this matter. Have a great day, Bill Morton **** Hidden Message ***** william morton 30009 USA Company: inp North America E-mail: bill.morton@inp-e.com **** Hidden Message ***** bill.morton@inp-e.com