Yokogawa Electric Corporation KCC-REM-IMY-EEN317 Digital Earth Tester

The Yokogawa EY200 digital earth tester (KCC-REM-IMY-EEN317) is a portable instrument for measuring earth resistance and earth voltage in electrical systems. It supports both 3-pole (precise) and 2-pole (simplified) testing for flexible field use, and features a digital LCD display for clear readings. Key specifications include an earth resistance range up to ~2000 Ω and an earth voltage range up to ~200 V, with accuracy of ±2% for resistance and ±1% for voltage. Power is supplied by 6 AA batteries, the unit is IP54-rated for dust and drip resistance, and it complies with IEC 61557 safety standards. Common applications span power distribution systems, industrial facilities, building wiring, and maintenance operations to verify grounding performance and electrical safety compliance, with built-in safety functions and robust construction that suit industrial and utility environments.