DUTEST pro continuity and lead tester. For testing high and low ohmic resistances. Optical/acoustic continuity indicator. Continuity and diode test via LEDs and buzzer. Display via 3 LEDs: 0 - 100 Ohm/ 1 kOhm/ 10 kOhm. Max. Max. resistance test value 10000 Ohm Acoustic display via buzzer up to 100 Ohm. Resistant to external voltage >50 V AC/DC yes. Exte