Wireless High Voltage Phase Comparator ‑220kV Voice Insulated Operating Lever High Voltage Phase Comparator Device Item Type: High Voltage Phase Comparator Mode: ETCR1600 Material: ABS Host Battery: AA x 6 (shipped without battery) Detector: 6F22 x 2 (shipped without battery) Nuclear Phase Mode: Contact Nuclear Phase: Lines below 35kV Nuclear Phase Distance: Approx. 60m / 196.9ft Differentiation: In Phase: -25° to 25°; Out of Phase: 95° to 145° and 215° to 265° Range: Test Phase: 0.0° to 360.0° Test Frequency: 45.0Hz to 65.0Hz Accuracy: Frequency: ≤±2Hz Nuclear Phase: ≤±12° Resolution: Phase: 0.1 ° Frequency: 0.1 Hz Transmission Frequency: 433MHz LCD: 3.5 inch color screen Phase Indication: Vector diagram and numbers are displayed simultaneously Power Indicator: The detector has a green power indicator Working Indication: The nuclear phase detector has an acousto optic indication function, red double flashing light indication and "beep beep" beep Display Rate: 2 times/second Data Storage: 9999 sets (power failure or battery replacement will not lose data) Insulation Rod Length: Maximum Diameter Approx. 45mm / 1.77in; The length is reduced to Approx. 1000mm / 39.37in; The extension is Approx. 4500mm / 177.17in Insulation Test: Both Ends Of The Insulation Rod After Stretching: AC 220kV/rms Host, Detector: AC3700V/rms(exposed metal and plastic housing) External Interference: No extra strong electromagnetic field; No 433MHz, same frequency interference Working Temperature And Humidity: -10℃ to 40℃; Less than 80%rh Storage Temperature And Humidity: -10℃ to 60℃; Below 70%rh Protection Level: IP63 Suitable for Safety Regulations: For GB13398 92, for GB311.311.68, for 3DL40891 standards and the new national power industry standard for " 1kV to 35kV portable nuclear phase device general technical conditions DL T 971 2017" requirements Comply with for IEC61481 A2; 2004; for IEC 61243 1 ed.2:2003 standard