... , stabilization, anti-jamming, vibration-proof, clear visual reading, and good full-range linearity. It can substitute for the outdated pointer electricity ... ±10% 50/60HZ Precision: ±0.5%, ±2-digit is allowable in full-range Sampling speed: about 2.5 cycles per second Temperature ... coefficient: 50ppm/°C Character display: LED 0.5 red Full range of display: 1,999 Over-range display: the first ...