* DC : 0 to 40 KV, AC : 28 KV rms. * 1000 M input impedance, 1/1000 att. * DCV : 1% (1 to 20 KV), 1.5% (>20kV). * ACV : 5 % (>1 KV, 50/60Hz). * Size : 340 x 30 x 30 mm.