D52-2042 Voltmeter+Ampermeter Display 200-450V external CT ~ 200A

D52-2042 voltmeter + ammeter display 200-450V external CT ~ 200A ? The main specifications 1. Measurement accuracy: 1% plus or minus 2 words 2. Display: 0.5 inch LED digital tube (voltage red display, the current pure green display / display clearer) 3. Measuring range: AC voltage, 200-450V. Users need to select the voltage measurement range AC current: AC1-200A (200A range) 5 power consumption <0.2VA 6. Measurement speed: about 2 times per second 7. Size: 54 (L) * 80 (W / H) * 64 (Thick) mm 8. Depending on the mounting width: = 3P (DZ47 / C45, air switch position) 9.M protruding part size: 54 (length) * 45 * (width / height) * 16 (thickness / depth) mm 10. Installation: Rail (air switch universal rail) Note: Transport without rail 11. Built-in Transformer: The measuring circuit line passes through the hole on the right side of the instrument (hole diameter 11MM can be up to 12 square feet (mm)) Standard copper / load current up to 100A) Note: The load passes through the instrument hole above or below, Affect the current measurement accuracy. 12. (External 100A transformer aperture 15.5mm) Meet the national standard 21-25 square mm (standard) Copper through 13. (External 200A transformer aperture 24mm) In line with the national standard 30-45 mm2 (standard) Copper wire through 14. The instrument only applies to pure AC 50-60HZ mains power supply, can not be used for square wave, inverter output and sine wave circuit to correct sine wave measurement, otherwise the instrument will be permanently damaged!