Low-ohm measuring device, digital. Digital low-ohm measuring device in accordance with 0 413 Part 4 and EN 61 557 Parts 1 and 4. Measuring range from 0.01 Ohm ... 1999 kOhmZero point adjustment of the measuring leadCompact and robust - for rough service work and laboratory operationSurge protection - protects the instrument if it is accidentally connected to the mains voltageSignaling of external voltageProtection class IP 65. 1 low-ohm resistance measuring device METRAOHM 4131 attachable measuring lead1 battery 9 volt block IEC 6 LR611 operating instructions