User manual SEFELEC 5x Series 12 v1.06WARNING AND SAFETY INSTRUCTIONSThe devices in the SEFELEC 5x range are intended for testing dielectric strength, and high orlow resistances.Warning:IMPORTANT• The measurement device must only be used in conformity with the provi-sions mentioned above.• Correct use of a measurement device implies transport, installation, han-dling and maintenance according to the instructions in this manual.• It is also necessary to comply with the required conditions for the operat-ing environment.Safety instructions before use:WARNING• Before using the measurement device, check the integrity of the powercord, and especially check that it has not suffered mechanical damagethat could cause a wire to be directly accessible and/or cause an opencircuit.• Before using the measurement device, check the integrity of the meas-urement wires, and especially check that they have not suffered mechani-cal damage that could cause a wire to be directly accessible and/or inopen circuit.• Before using the measurement device, check its connection by a groundcable connected directly via the stud at the rear of the measurement de-vice.• Before using the measurement device, check that none of its air vents areobstructed and that they allow air to circulate freely.• Before using the measurement device, check that the connectors on itsfront panel are not damaged and/or unlocked.• Using the ON/OFF button, turn on the measurement device and checkthat the blue light on the front panel goes on.Safety instructions after use:WARNING• After using the measurement device, and before any action on the meas-urement device, check that the red light on its front panel is OFF and thegreen light ON.• Using the ON/OFF button, turn the measurement device off and checkthat the blue light on the front panel of the measurement device goes off.• Disconnect the product tested.