PROFISAFE 690L Voltage and Continuity Tester. PROFISAFE 690L (M630J) Voltage and Continuity Tester in accordance with DIN EN 61243-3 / VDE 0682-401. Voltage test Phase test Polarity test Phase sequence indication Continuity test Display: digital display 12 to 690 V Rugged housing Protection IP 65 Easy to operate, VDE-GS tested Measuring category: CAT IV 600 V / CAT III 690 V Test voltage: 6