The Vitrek V74 Hipot Tester with Continuity, 5 kV AC/DC/IR/GB offers an easy-to-use color touch user interface and an ultra-reliable, efficient, fan-free design. Digital Signal Processing (DSP) technology offers improved speed. The V74 includes USB, RS232, and Digital I/O interfaces. Test options for this model are AC Hipot, DC Hipot, IR, Ground Bond, and Low Resistance tests. Test completion triggers are End on Time: Determination on final reading, End on Pass: Test ends with PASS for any reading within limits, End on Fail: Test ends with FAIL for any reading outside limits, and End on Steady: Test ends with PASS for a steady/rising reading within limits. Front Panel Features Front Panel View of the V74 4.3 in. Color Touch Display Large, Bright LED Caution Testing Indicator Safety Locked HV Terminal for Hipot and IR Low Profile High Current Binding Posts for Ground Bond Independent LED Pass/Fail Indicators Convenient Front Panel Power Switch Ultra-High Reliability Start/Stop Switches Rear Panel Features Rear Panel View of the V74 Digital I/O with Safety Interlock Controls up to 4 HV Scanners USB 2.0 High Speed Universal Serial Port RS232 Serial Port with Selectable baud rate up to 115Kbaud Rugged V74 with Drop Resistant Duty Silicone Bumper