SEW 2726 NA Electrical Network Analyzers

Loop / Earth / Wires: 0.03-2000Ω (auto-ranging)
Prospective short circuit: 0~6kA at 230Vac
Operating voltage: 50V~275Vac (50Hz)
Best performance at rated voltage: 230Vac ± 20V Max.10A
Accuracy of voltage: ±1%(210~250V) / ±3% otherwise
Accuracy of loops / earth: ±2% (0.05~50Ω) / ±3% (50~500Ω)
Accuracy of wires impedances: ±15% (above 500Ω)
Operating-temperature-humidity: 0°C to 40°C / 80% Maximum
Dimensions: 205(L) × 90(W) × 55(D)mm
Weight (battery included): Approx. 570g
Power source: 1.5V (AA) × 6
Safety  standard: EN 61010-1 CAT IV 300V, EN 61326-1

Datasheet