EN
The QBM16 is an STS-compliant prepaid smart meter designed for secure and accurate energy management. Available in both integrated and split-type versions, it supports local token recharge and RF communication for flexible deployment. With DLMS/COSEM compliance and advanced encryption mechanisms, the QPM16-M delivers reliable metering performance for modern utility and sub-metering applications.
Precision Sub-Metering Operations: Utilizes a 6+2 display layout, offering two decimal places of fractional energy tracking—essential for sub-metering commercial rentals where accurate micro-billing is crucial.
Paired with advanced internal firmware encryption, ensuring secure 20-digit STS token validation via local or LoRa RF.
Comprehensive Smart Alarms: Instantly triggers LED or buzzer alerts for low credit thresholds, overload conditions, or minor enclosure breaches, backed by a bi-directional active energy measurement logic to counter negative-increment tampering.
1. ST's standard protocol ensures an open and secure operating system
2. Optical communication, open protocol: DLMS/COSEM (E mode)
3. Prepayment and post-payment modes are switchable for users’ convenience
1. Bi-directional measurement of active energy.
2. Display real-time clock, balance credit, voltage, current, active power, etc.
3. Prepayment function: purchase electricity first, then use electricity.
4. Recharge is loaded through a 20-digit token
5. Alarm by LED or Buzzer when low credit, overload, and tamper.
6.meter reading and setting through optical communication port.
7. Automatic cutoff when the balance credit is zero.
8. Support error self-detection function.
9.Overdraft/Credit power usage.
10. Overload detection, control, and alarming.
11. Balance credit multi-level alarm function.
12. Base cover and terminal cover open detection and record.
13. Display readable without main power (RWP).
14. Low-voltage relay disconnection protection function.
15. Daily analysis function of balance credit.
| Specifications | QBM16 | |
| 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 | |
| Power Consumption |
Voltage Circuit | ≤2.0W,10VA |
| Current Girauit | ≤4VA | |
| Communication | Interface | OPtical |
| Temperature Condition | Work Temperature | -25℃～+65℃ |
| Storage Temperature | -35℃～+75℃ | |
| Humidity | ≤85% | |
| IP degree | IP54 | |
| Dimension | 206X130X46mm | |
| Weight | Net weight | 0.54kg |
| Weight | 0.6kg | |
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