WW-11N WW-11N The WW-11N display can be used with any device having the output signal of 4…20 mA. No external power source is required. DISPLAY ERROR: 0.2% DISPLAY RANGE: -999…9999 OUTPUT SIGNAL: 4…20 mA VOLTAGE DROP: max. 6.5V AMBIENT TEMPERATURE: -30.. 50C INGRESS PROTECTION: IP65