Check the listing for details. Dranetz 626 Universal Disturbance Analyzer. Condition: Seller refurbished. Listed at 299.95 USD. Dranetz 626 Universal Disturbance Analyzer Tested & Working The 626 Disturbance Analyzer is a modularly expandable system for measuring surges, sags, spikes, dropouts, and frequency errors on DC and AC power lines. Ideal instrument for monitoring environmental disturbances effecting operation of computers and other electronic equipment. Provides printout of disturbances including time and date. Programmable via the front-panel or RS-232 port. Up to five modules can be installed. Installed Modules: Line Analyzer 626-PA-6001, DC Monitor 626-PA-6002A Note: Case has some damage on back right side as shown in photo below - does NOT affect functionality. Payment: PayPal accepted. Payment must clear before shipping. Shipping On This Item: Shipping & Handling can be calculated using the shipping calculator. USA shipping with UPS (No PO Boxes). Shipping to Canada with USPS. See calculator for available options. Shipping address must match "bill to" address. Combined shipping is allowed. Return Policy: This item may be returned within 30 days from the date you receive your order for refund of auction sale price. Shipping & Handling fees are non-refundable. Feedback Policy: When the customer is satisfied with a purchase and leaves positive feedback then we are more than happy to leave feedback in kind. Please contact us FIRST if there is a problem or concern. Photo gallery click to enlarge