The DMZ meter is an electronic multirate meter which measures active energy.  Here are some of his main features :

• Measurement device :
  - Measured value : Active energy
  - Tension (-20%,+15%) : 220V, 230V
  - Current : 5(30)A, 5(60)A, 10(60)A
• Billing device : 
  - Energy measurement and billing system : 4 energy registers + 1 sum register with 15 old readings for each register
  - Data saving (without power supply) : > 10 years
• LCD Display : 8 digits, approximate height : 6mm (measured values)