"TRITEST® pro – Professional rotating field direction indicator for testing the rotating field direction in three-phase supply systemsFeatures:• Display of ""right"" and ""left rotating field"" via green/red LED• Display of the phase voltages L1, L2 and L3 via red LED• Voltage range: 400 V - 500 V AC (50 Hz - 60 Hz)• Bright, pinpoint, high-performance LED torch• Required batteries: 3 x 1.5 V Mignon/AA• Integrated magnetic holder and belt clip on the rear of enclosure• Includes 4 mm test probe kit and alligator clip• Measurement category: CAT lll 300 V• Shock-resistant and impact-resistant enclosure• including measuring lead/test probe kit, alligator clipTechnical data:LED display: 3 x yellow, 2 x redRotating field indicator (green/red LED): right/left rotating fieldVoltage range: 400 - 500 V AC (50 Hz - 60 Hz)Bright LED torch: Yes, adjustable in 1 stagesMagnetic holder and belt clip: YesSafety: DIN EN 61010-1, DIN EN 61557-7Measurement category: CAT III 300 VBatteries required: 3 x 1.5 V Mignon batteries (AA)"