PHILIPS DIGITAL PATIENT INTERFACE MODULE PIM 12 LEAD (860307/H21) (860306/H21). Remote, micro processor-controlled digital module provides excellent resolution, 8,000 samples per second per lead wire. MO860306/H21, PHS-EKG-45364078291. Fits TC30 ECG Unit. Complete with 10-lead leadwire set. These Modules are made to order based on the ecg machine serial number. Please allow up to 2 weeks for delivery. Serial Number of the TC30 ECG Machine is required for purchase of this module. Priced per each.