Electro-Meters: Megger DLROs


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	Megger Ducters ^® Digital Low Resistance Ohmmeters The Megger range of DLROs are highly accurate, easy to operate instruments that measure resistance with resolution as fine as 0.1 micro-ohm. Digital micro-ohmeters and DLROs measure contact resistance of switch and circuit breakers, aircraft frame bonds, and rail and pipeline bonds just to name a few of the applications. Megger has models available for testing using test currents from 0.5 mA to 100 amps covering a multitude of applications that require precise low-resistance measurements.




	DLRO10 Digital Low Resistance Ohmmeters Probably the smallest, lightest, quickest 10A micro-ohmmeter available. APPLICATIONS INCLUDE: Switch & contact breaker resistance. - Busbar & cable joints. - Aircraft frame bonds & static control circuits. - Integrity of welded joints. -Inter-cell strap connections on battery systems up to 600V peak. - Quality control of resistive components. DLRO10X Digital Low Resistance Ohmmeters The MEGGER DUCTER DLRO10X bring new standards to low resistance measurement. They are fully automatic instruments, selecting the most suitable test current, up to 10 A dc to measure resistance from 0.1 µΩ to 2000 Ω on one of seven ranges. For users who desire more control over the measurement process, DLRO 10X uses a menu system controlled by a two-axis paddle to allow manual selection of the test current. DLRO10X also adds real-time download of results and on-board storage for later download to a PC DLRO200 Digital Microhmmeter The Megger DLRO200-115 measures contact resistance in high voltage circuit breakers, disconnecting switches (isolators), busbar joints, or for any other low resistance measurement.This test set accurately measures resistances ranging from 0.1µΩ to 1Ω, at high currents.A versatile instrument, it can provide test currents from 10 amps up to 200 amps, subject to the load resistance and supply voltage. For those applications that demand a smooth dc current, the DLRO200-115 has extra filtering on the output to reduce mains frequency ripple and can drive 200 amps through a total current loop resistance of 11 milliohms. The filtered output of the DLRO200-115 also eliminates magnetic transients that could inductively trip a breaker’s control (bus differential relay), if left in the test circuit. DLRO600 Digital Microhmmeter The Megger DLRO600 measures resistances between 0.1 µohms and 999.9 mΩ, at high currents. This versatile instrument can provide test currents from 10 amps up to 600 amps subject to the load resistance and supply voltage. A large liquid crystal display provides all the information needed to perform a test; all test parameters and measurement results are displayed.