Part Number MODEL 3730 6+16 HIGH DENSITY MATRIX CARD Switching And Control Test Equipment in stock with ready to ship. Get an instant quote for Keithley Instruments part number MODEL 3730 6+16 HIGH DENSITY MATRIX CARD by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for MODEL 3730 6+16 HIGH DENSITY MATRIX CARD. Our dedicated account manager will get back to you within 15 minutes.