Power meter “ND20” à»ç¹ LCD power meter ·ÕèÊÒÁÒöãªéÇÑ´¤èÒ¾ÒÃÒÁÔàµÍÃì·Ò§ä¿¿éµèÒ§æã¹Ãк 3-phase, 3 / 4- ÊÒ power network parameters ·Ñé§ã¹Ãкº·Õè balanced áÅÐ unbalanced. ÊÒÁÒöàÅ×Í¡ CT à»ç¹ 1A (x/1) ËÃ×Í 5A (x/5) ä´é áÊ´§¼Å´éÇ LCD Blacklit, ¢¹Ò´ 4 ºÃ÷Ѵ, ˹éÒ¨Í 3.5 ¹ÔéÇ. ¢¹Ò´ 96x96x70.5 ÁÁ. ÊÒÁÒöÁͧàËç¹ä´é´Õ áÁéÍÂÙèã¹·ÕèÁ×´ËÃ×ÍÊÇèÒ§¨éÒ, ÊÒÁÒöµÑé§áÅд٤èÒ ¾ÒÃÒÁÔàµÍÃìµèÒ§æ´éÇÂâ»Ãá¡ÃÁ LP Config (´ÒǹìâËÅ´¿ÃÕä´é·Ò§ÍÔ¹àµÍÃìà¹ç·) ÁÕÃдѺ¡Òûéͧ¡Ñ¹¹éÓ/½Øè¹ IP65, áÅÐÂѧÊÒÁÒöµÑé§ password ä´éÍÕ¡´éÇÂ

- áç´Ñ¹áÅСÃÐáÊ RMS, 

- ¤èÒ¡ÓÅѧ active, reactive áÅÐ apparent power,

- ¤èÒ¾Åѧ§Ò¹ Active

- ¤èÒ power factors (P/S), 

- ¤èÒ Tangent (Q/P), 

- ¤ÇÒÁ¶Õè,

- ¤èÒÎÒÃìÁ͹ԡÊì THD áç´Ñ¹/¡ÃÐáÊ ä´é¶Ö§ÅӴѺ·Õè 25,

- ¤èÒà©ÅÕè¢ͧ Active power (àªè¹ ¤èÒà©ÅÕèÂã¹ 15-¹Ò·Õ).

ª¹Ô´¢Í§ outputs: RS-485 with MODBUS protocol 

- ÊÑ­­Ò³àµ×͹ alarm (ÊÒÁÒöàÅ×Í¡¤èÒ¡Òà alarm ä´é) – ÃÕàÅÂì

- ÊÑ­­Ò³ impulse – OC

Ãкº¡ÒõԴµèÍÊ×èÍÊÒÃã¹ network: 

- RS-485 µÔ´µÑé§ÁÒãËéÍÂÙèáÅéÇ (Modbus RTU),

- Analog (Option)