... converter to make it has high performance, high accuracy, low power consumption, stable zero point, easy parameter setting, dot-matrix display ... 0 ~ 1kHz, OCT, external power∠35V DC, 250mA/max Power Supply: Single-phase 85 ~ 265V AC, 45 ~ 63Hz, power∠20W; 24V DC, 10VA Converter Type: Compact ...