Our buyers have stayed with us for 10years 11 years of specialized meters Patent and CE certificate OEM services available ETCR was established in 1999, the factory is located in Guangzhou Guangdong, South China. It is the high-tech manufacturer specialized in non-contact and intelligence electronic testing meter. The products can be widely used in the power system, petroleum, chemical engineering, telecommunication, meteorology, military, railway, industrial and mining establishments. ETCR is a main and leading manufacturer of earth tester in china, it&＃039;s main product of earth resistance tester etcr2000 produced in 1999 is the first product in the field of testing instrument in china. ETCR has strong research and development ability. Our R&D department is run by Chinese most leading experts in the field with many years of experience in the manufacturing and design of earth resistance tester and equipments. ETCR involved in the formulation of PRC�S Metrological Verification: JJG1054-2009 . And the Metrological Verification JJG1054-2009 was released on December 22, 2009 release, implemented on January 11, 2010. The release of the statute means ETCR made a significant contribution to the earth resistance test industry, ETCR also received �Clamp Earth Resistance Meters " national utility model patent, Patent No. �ZL 2006 2 0058986.9�. These are confirmed ETCR have strong technical strength and leading position in the industry. To meet the high technical demands of customers, ETCT never stop it&＃039;s research, we are brewing to make out more new high-tech products. Professional, Responsible, Reliable Protection ETCR�S products: � Phase Detector � Earth Resistance Tester � Double Clamp Digital Phase Volt-ampere Meter � High Accuracy Clamp Leaker � High Accuracy Clamp Leakage Current Sensor � Needle Nose Current Sensor � H/L voltage Current Sensor � Leakage Current Recorder � H/L Voltage Clamp Meter � Wireless High-Voltage Transformation Ratio Tester