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Introduction


The QBM11-1 is a compact, cost-effective single-phase electricity conventional meter designed to measure active energy and demand.Manufactured using advanced technology and focused on core functionality, it offers exceptional value for money; it features non-volatile memory for long-term data storage and supports IR meter reading. The "Neutral Missing" detection function is available as an option.

High-Accuracy Basic Engine: Delivers stable Class 1.0 active measurement precision across universal global operational voltages (110V to 240V) and adaptive rated current spans up to 100A max.
Granular Hardware Interface: Features a specialized 6+2 digit segment layout, storing multi-year energy logs in secure non-volatile storage blocks alongside 15-minute interval block maximum demand analytics.
Field Diagnostics & Safety: Retains passive Read Without Main Power (RWP) screen functionality for continuous power-cut visibility, integrated with dynamic multi-parameter tracking for real-time kW, V, A, kVA, kVar, CosΦ, and Hz network health checks.


Standards

  • IEC 62052-11
  • IEC 62053-21
  • IEC 62056-21

Main Function


1. Bi-directional measurement of active energy.
2.8 digits display for energy and a real-time clock, 7 digits for serial No. and instantaneous value measurement.
3. Block maximum demand with Yearly billing; time intervals are 15 minutes.
4. Supply more tamper types, Neutral line sensor for tampering-proof, detecting bypass, neutral line earthed, etc.
5. Neutral missing start power: 100W.
6. Instantaneous value measurement (kW, V, A, kVA, kVar, CosΦ, Hz).
7. Display readable without main power (RWP).
8. LCD backlights to increase readability in low light conditions.

Specifications

FUTURISE QBM11-1 Single Phase kWh Meter for Residential Power Monitoring
Specifications QBM11-1
Accuracy Active 1.0
Vollage Rated current 110V,120V,220V,230V,240V
Range 0.8Un-1.2Un
Limit 0.7Un-1.3Un
Frequency 50Hz/60Hz
Basic Current(lb) Range 5A,10A
Maximum Current(lmax) Range 40A,60A,80A,100A
Starting Current 0.4%lb
Display Type LCD
Digit 6+2+8
Power
Consumption
Voltage Circuit ≤2.0W,10VA
Current Girauit ≤4VA
Communication Interface \
Temperature   Condition Work Temperature -25℃~+65℃
Storage Temperature -35℃~+75℃
Humidity ≤85%
IP degree IP54
Dimension 194×128×55mm
Weight Net weight 0.46kg
Weight 0.5kg