Square Type Moving Coil DC VoltMeters 1. Model: 90° SF-144-3 SF-96-3 SF-72-3 SF-48-3 These Meters measure the DC Voltage with linear scale. The nominal mark is C.2. Accuracy: Class 1.53. Specification: 3V,5V,7.5V,10V,15V,20V,30V,50V,75V,100V,120V,150V,200V,250V,300V, 400V,500V,600V. Measuring...