Product Manuals & User Guides Dura-Meter™ Dura-Meter™ Quick Start Guide Dura-Pump™ DEF Dispensing Systems AG Transfer Systems Quick Caddy Recirculation Dura-ABS/Meter User Guide Dura-ABS Meter Assembly Guide Dura-ABS Trouble Shooting Guide Dura-Pump Cartridge Changing Instructions. Elite 440 is a multi-line three-phase digital panel meter for the accurate and reliable measurement of electrical parameters (voltage, current, power, frequency, etc.) for industrial and commercial applications. It has a large multi-line backlit display which enables four parameters to be displayed simultaneously. . Power requirements assume a single transmitter per cable. At startup, the power source must provide a minimum of 1.5 amps of short-term current per transmitter and not pull voltage below 18 VDC. Length and conductor diameter of the power cable must be sized to provide 18 VDC minimum at the power terminals, at a load current of 0.7 amps.