Fluke 1587-ET Advanced Electrical Troubleshooting KitFluke 1587 ET Advanced Electrical Troubleshooting Kit Get the most value and productivity Unplanned downtime costs are difficult to calculate, but often significant. For some industries, it can represent 1 % 3 % of revenue (potentially 30 % 40 % of profits) annually. Establishing a preventive maintenance program is becoming critical to maintaining the uptime of equipment and can significantly reduce both planned and unplanned downtime. To help you be