Shavison electronics offers single output analogue signal converters - 3 port isolation of 2 kv ac; wide auxiliary supply range - 185 to 270v ac and 90 to 130v ac; input frequency - 47-63 hz; accuracy - better than 0.5 per cent; linearity - better than 0.2 per cent; ripple and noise - less than 1 per cent of span; overload protection - 30 40º ma; operating ambient - 0ºc 50ºc, 95 per cent rh; storage temperature: -20ºc to 85ºc; power ok indication; economical; compact in size; high reliability; din rail mountable.