T8901 Digital Phase Sequence Detection Non-Contact Intelligent Phase Sequence Zero Firewire Measuring Pen AC 12V~1000V (50~60Hz) Description: Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life. Features: Interval breakpoint detection.Intelligent identification of zero firewire.Sound and light screen triple alarm.High and low sensitivity can be switched.Measure motor forward rotation and reverse.Functions: non-contact measurement, flashlight, auto power-off, phase sequence detection, low voltage display, 3.0 meters anti-fall (pen point).Easy to determine the location of the zero line fire line, do not need to disaemble the wire or equipment.The point of the probe is made of PC material, which is strong, wear-resistant, breaking-proof and safe in insulation.Automatic shutdown after 5 minutes without operation.Energy conservation and environmental protection. Specifications: Material: ABS+PCMain color: GreyModel: T8901AC detection range: 12V-1000V / 48V-1000VDetection frequency: 50Hz-60HzPhase sequence test: can be measuredAlarm way: sound-light alarm / display indicatorLighting flashlight: white LED lightingZero line of fire: according to the signal strength, the signal strength is the line of fireNCV acuity: sensitivity can be switched by the S keyLCD display: display red for fire line / green for zero line or groundOperating temperature: 0-40Storage temperature: -10-50, humidity: 95%Altitude height: Packing List: 1 * AC Phase & Voltage Detector