Display............... 3 1/2 (1999) 0.56〞(14.2mm), Red LED Accuracy........................................ DC ±0.1% RD.±1 digit AC ±0.25% F.S.±1 digit Conversion rate (about) ............... 3/sec. (DC), 1/sec. (AC) 6/sec. (Ohm) Over input indication.................................................... "1" Polarity................................................. Only "-" Display Frequency range ...................... 45~400Hz for AC range Operating temp. .................................................. 0~60℃ Storage temp. .................................................. -10~70℃ Temp. coefficient ............................................................... ..................... ≦100PPM/℃(≦60PPM/℃, 25℃±10℃) Max. relative humidity ............................................... 95% Dielectric strength ..... AC 2 KV/1 min. (input/power/case) Surge test ..............................4 KV/1.2×50μs, IEC 255-4 Aux. power .................. AC 115V/230V ±10%, 50/60 Hz DC 24V, 48V, 110V, ±20% (option) Power consumption ........................... AC 3.5VA, DC 3W Weight (about) ......................................................... 200g