MA110 Smart Single Phase Meter

u  Plug-and-play with interchangeable module: PLC/RF/GPRS/3G.

u  Compliant with DLMS/COSEM. 

u  Energy efficiency with advanced measurement with TOU.        

u  Disconnect / Reconnect.  

u  Read without power.

u  Protect from fraud or tampering, alarm and events record.      

u  High security and reliability.     

u  Advanced design for operation costs reduction, friendly user interface.                                                  

Main Features
Technical Specifications

Measurement and power quality

ü   Import and export active / reactive / apparent energy and demand; Configurable maximum demand integration period (typically 5, 10, 15, 30 or 60 minutes); Instantaneous voltage and current, PF, Vrms, Irms, Frequency  


ü   The meter can support up to 4 tariffs, 2 sets of tariff scheme; The passive tariff scheme can be configured by remote or local command

Load profile for energy and power quality

ü   Up to 8 programmable channels for energy and demand load profile; Up to 8 programmable channels for power quality load profile; Programmable profiles period  ( typically 1, 5, 10, 15, 30, 60 minutes ) 

Real time clock

ü   IEC 62054-21 0.5s/day (@23); Remote and local synchronization available   

Communication interface

ü   Optical, 9600bps infrared; Plug-and-Play remote communication module: PLC/RF/GPRS/3G; RS-485  

Display and indicators

ü   Segment LCD, 8 digits, number of decimal configurable; Two LEDs indicate active and reactive pulse; Three colors LED indicate different communication status; Support reading (LCD display) without power  

Connect / disconnect

ü   Latch relay for power control. 

Backup power supply

ü   Internal battery, support RTC at least 2 years without main power; External replaceable battery; Low battery alarm 6 months in advance of battery empty 

Anti-tamper features       

ü   Current reverse; Current unbalance (earth load); Main cover removal; Terminal cover removal; Strong DC magnetic field; Meter dismantle/removal; Voltage missing (current without voltage); Over temperature

Log file              

ü   Up to 30 kinds of event record with timestamp: Power off and power on; Low battery; Relay connection / disconnection remotely and overload; Meter parameters programed; Tamper related events; Power quality events (over voltage, under voltage etc.); Firmware upgrade event; Access records with both correct and incorrect password

Advanced flexible platform design                               

ü   Flexible to support different communication channels: PLC(G3-PLC/PRIME)/RF/GPRS/3G; Replace communication module without turning off the meter; Support DLMS / COSEM

Industrial standard data security & authentication mechanism

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