Kyoritsu Digital Earth Tester KEW 4105A, a precision instrument used to measure earth resistance and earth voltage in electrical installations.
Key Specifications & Features
Measurement Ranges (Earth Resistance): 0–20Ω, 0–200Ω, 0–2000Ω.
Earth Voltage Measurement: 0–200V AC.
Protection Rating: Dust and drip-proof conforming to IEC 529 IP54.
Safety Standard: Designed to meet IEC 61010-1 CAT III 300V.
Capabilities: Includes a 2-wire simplified measurement system alongside standard precision 3-wire testing, plus automatic warnings for excessive auxiliary earth resistance.