DTFZQV ETCR7000 - 80mm

Feature: Function: AC leakage current, current test Power supply: 6VDC (LR6×4 alkaline dry battery, continuous use for 12 hours) Not included Test method: clamp CT, integration method Jaw size: 80mm × 80mm (can clamp φ80mm wire, or 96mm × 4mm flat steel ground wire) Measurement accuracy (23 °C ± 3 °C, below 70% RH, the wire is at the center of the jaw): 0.00mA~300A: ±1.5%±3dgt 300A～1200A: ±2%±3dgt 1200A～2000A: ±3%±3dgt 2000A～2500A: ±4%±3dgt Wire position: the tested wire is at the center of the jaw Data storage: 99 groups, display "FULL" symbol indicates that the storage is full RS232 interface: RS232 interface, uploading stored data to the computer, easy to analyze data Communication line RS232 communication line, length 1.8 meters Frequency: 50Hz, 60Hz automatic identification Shift: fully automatic switching Sampling rate: about 2 times / sec Display mode: 4-digit LCD digital display, length and width 47mm × 28.5mm Meter size: length 275mm × width 145mm × thickness 40mm Backlight: Yes, LIGHT button control Data hold: Data hold function: "HOLD" symbol display Overflow display: Overrange overflow function: "OL" symbol display Auto power off: no operation for 5 minutes after booting, backlight automatically turns off; no operation after power on for 15 minutes, the instrument will automatically shut down after 10s of flash screen to reduce battery consumption, press any button to cancel the splash screen Battery : When the battery drops to about 5.2V, the battery is low and the symbol is displayed. Change battery Working current: backlight is turned on 50mA; backlight is off 25mA Working temperature and humidity: -10 ° C ~ 40 ° C; below 80% rh Storage temperature and humidity: 10 ° C ~ 60 ° C; 70% rh below Insulation strength: AC3700V/rms (between iron core and outer casing) Suitable for safety regul