Loop impedance tester Dimensions L x W x H: 203 x 148 x 78 mm Frequency: 25 ...99.99 Hz Voltage: 50...440 VAC Weight: 1 kg Delivery with: Crocodile clip / Documentation CD / Hard Case / Power Cable / Test Lead Electrical supply: 8 x LR6/AA Loop (Zs and Zi): 0.001 Ohm...2000 Ohm Protection rating: IP54 Safety: CAT IV 300 V Test voltage: 50...440 VAC