{"id":16,"date":"2026-10-12T10:50:24","date_gmt":"2026-10-12T02:50:24","guid":{"rendered":"https:\/\/site.dcsmartmeter.com\/home\/"},"modified":"2026-10-21T11:26:11","modified_gmt":"2026-10-21T03:26:11","slug":"home","status":"publish","type":"page","link":"https:\/\/site.dcsmartmeter.com\/en\/","title":{"rendered":"Room metering and commercial circuit monitoring"},"content":{"rendered":"

<\/p>\n

\n
DCZD electricity meters<\/span><\/p>\n

Room metering.
Commercial circuit data.<\/h1>\n

Record electricity use for each room or circuit. Connect grouped meters through RS485 or AU470, or use 4G for separate locations.<\/p>\n

Compare four meters<\/a>Ask about models and pricing<\/a><\/div>\n<\/div>\n
\"M3
M3 single-phase 4G meter \u00b7 Product illustration<\/figcaption><\/figure>\n<\/div>\n
\n

Choose a connection for your site<\/h2>\n
\n
\n

Grouped rooms, accessible cabling<\/h3>\n

Connect apartment or dormitory meters to an RS485 bus for central collection. M4 is the wired submeter option.<\/p>\n

Apartment and dormitory setups \u2192<\/a><\/article>\n

\n

Retrofits with limited cable access<\/h3>\n

M2 connects to a master through AU470 or RS485. Test wireless coverage at the installation site before choosing AU470.<\/p>\n

View M2 \u2192<\/a><\/article>\n

\n

Separate locations, individual connections<\/h3>\n

M3 connects directly through 4G Cat1 without a separate gateway. Use it for scattered rental properties or individual shops.<\/p>\n

View M3 \u2192<\/a><\/article>\n<\/div>\n<\/section>\n

\n

The M1\u2013M4 meter range<\/h2>\n

M1 meters three-phase circuits. M2, M3 and M4 meter single-phase rooms or branches. Compare connections and supporting equipment below.<\/p>\n

Models and connections<\/caption>
Model<\/th>Phase<\/th>Connection<\/th>Cloud access<\/th>Supporting equipment<\/th>Enterprise access<\/th><\/tr><\/thead>
M1470\uff08M1\uff09<\/a><\/th>Three-phase<\/td>RS485 \/ AU470 \/ 4G Cat1, by configuration<\/td>Central cloud access on versions with 4G<\/td>3 external CTs; separate contactor for switching<\/td>RS485 \u2192 AG-2701X \u2192 enterprise Ethernet; protocol and point-map review required, joint physical testing pending.<\/td><\/tr>
M2470\uff08M2\uff09<\/a><\/th>Single-phase<\/td>AU470 + RS485<\/td>Central cloud access through an M1 master<\/td>Compatible master; communication accessories to suit the site<\/td>RS485 + AG271X evaluation; confirm protocol and version<\/td><\/tr>
M3<\/a><\/th>Single-phase<\/td>4G Cat1 + RS485<\/td>Direct cloud access through 4G<\/td>SIM and data plan; no separate gateway<\/td>RS485 + AG271X evaluation; confirm protocol and version<\/td><\/tr>
M4<\/a><\/th>Single-phase<\/td>RS485 wired<\/td>Central cloud access through a compatible master<\/td>M1 \/ M2 \/ M3 with the required master capability<\/td>RS485 \u2192 AG-2701X \u2192 enterprise Ethernet; protocol and point-map review required, joint physical testing pending.<\/td><\/tr><\/tbody><\/table><\/div>