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Contact Resistance Meter
Contact Resistance Meter
SCOPE introduces the CRM 100B+ and CRM 200B+ contact resistance meters, designed for measuring micro-ohm values in EHV switchyards. These devices are portable, lightweight, and utilize ultra capacitor technology, making them essential for testing and maintenance engineers.
The CRM series measures micro-ohm contact resistances at 100/200 Amps DC, even in environments with high electrostatic noise. They are suitable for MV/HV/EHV equipment and are beneficial for power companies, equipment manufacturers, and testing laboratories. The CRM 100B+ and CRM 200B+ models include a 100A and 200A current source, respectively, and are the lightest in their category.
Regular monitoring of contact resistance is crucial as even minor changes can lead to power loss and overheating, potentially causing equipment damage. This is vital for companies involved in power generation, transmission, and distribution.
The CRM meters use the Kelvin’s four-wire method for accurate resistance measurement. They feature an easy user interface, direct display, and printing capabilities. The devices operate in stand-alone mode or can be controlled via PC. They include a real-time clock, memory, and printer for test time stamping.
The CRM meters are designed with high-speed ADCs for simultaneous sampling, autoranging, and direct micro-ohm value display. They include a rugged test lead set, optimized for EHV CBs, and offer protection against battery deep discharge. The devices are housed in an IP67 class hard case and support PC downloading and analysis with the CData CRM+ software.
The CData CRM+ software allows for PC control, downloading, and analysis of test results. It supports trend analysis and report generation, with export options to PDF or Excel. The software facilitates easy connection and operation via USB.
The CRM meters are reliable in EHV environments, suitable for utilities, OEMs, test labs, and commissioning companies. They offer battery operation for use in areas without AC supply and are proven worldwide with thousands of units in use.
The CRM 100B+ and CRM 200B+ come with standard accessories, including calibrated test cables, a master earthing cable, a battery charger, and a USB communication cable. Optional accessories include longer test cables and special clamps.
Catalog excerpts
SCOPE CRM 100B+ CRM 200B+ Contact Resistance Meter Now 100 and 200 Amps are portable enough to measure micro-ohms quickly & reliably in EHV Switchyards… … directly on CR
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The Product SCOPE introduces its next generation of hugely popular CRM series contact resistance meters, CRM 100B+ and CRM200B+ in all new super light avatars, based on cutting edge ultra capacitor technology. CRM incorporates some state of the art hardware & smart software features making it a must have tool for testing & maintenance engineers. CRM directly measures micro-ohm values at 100 / 200 Amps DC under live EHV switchyard conditions quickly & accurately. CRM is specially designed to reliably measure micro-ohm contact resistances of circuit breakers,isolators, busbar joints, earth switch...
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Special Features • A radically new design makes CRM the lightest available contact resistance meter. • Simultaneous & multiple samples of test current and voltage drop are taken at high speed using fast & high resolution ADCs. • Resistance will be calculated by taking actual V/I ratio and averaging of individual samples giving stable & accurate results. It makes it independent of test current variations. • Autoranging. Direct display of micro-ohm value does away with manual calculations. • Create Device Under Test Identification data (DUT Library) on PC and upload to instrument. Save the test...
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Corporate Office 492, Autos Chamber. Annex - A, S- S, Amrulwar Merg, Wotl, Mumbai 4D0 013. INDIA Phone : +31 22 4344 4244 FAX ;+91 224244 4242 e-mail :marketing@$copeinm.oorr Worlis & After Sales EL 31/11, 'J' BLOCK, VlDC Bhosari, Pune 411026. INDIA Phone-+31 20 6TJ3 3999 FAX : +91 20 6733 3900 e-mail ;wofk$@£Hapetnm.oom
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