The LZQJ meter, directly connected or using transformers, measures active and reactive energy.  Here are some of his main features :

• Measurement device :
  - Tension : 3 x 230 / 400V   3 x 63 / 110V   3 x 58 /100V
   3 x 110V   3 x 100V   3 x 400V
  - Current : 1(6)A, 5A, 1A, 5(60)A, 10(60)A, 10(100)A
• Billing device 
  - Energy measurement and billing system : 32 registers with 15 old readings each
  - Data saving (without power supply) : > 10 years
• LCD Display :
  - Dimensions : 84 x 24 mm
  - Data range's height : 8mm
  - OBIS code range's height : 6 mm