4010. ORDERING CODEThe N21 meter comes standard with:– universal input– relay output– power output 24 V d.c.– supply voltage 24 V a.c./d.c., 230 V a.c./d.c.– miniUSB port for programmingORDERING CODE EXAMPLE:The code N21-00E0 means:N21 – N21 meter,0 - display version: horizontal0 - standard version,E - English version,0 - without extra quality requirements.N21 - X X X XVersion (display):horizontal 0vertical VVersion:standard 0Language:Polish PEnglish EAcceptance tests:without extra requirements 0with an extra quality inspection certificate 1with test certificate 2