<p>Make: Hewlett packard<br/>Model: 5315B<br/>Condition: Used, overall in great shape powers up</p>
<p>100MHZ Universal Counter<br/>Measurements: Frequency, Period, Time interval, and ratio of signals<br/>High accuracy: 7 digit resolution<br/>Flexible Inputs: two input channels with adjustable trigger controls<br/>Rack mountable</p>