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The QPM16 is a proven single-phase STS prepaid keypad meter, recognized by power authorities of multiple countries including CEET, SONABEL, EDG and KPLC. Designed with a modular architecture, it supports flexible communication options and can be tailored to meet diverse project requirements. Backed by internationally recognized certifications, including STS, CE, NEMSA, and ISO 9001. The QPM16 delivers reliable performance, secure revenue protection, and long-term operational confidence for prepaid metering projects.
Certified Electrical Precision: Delivers Class 1.0 active measurement accuracy under a broad rated voltage adaptability range (110V to 240V), with continuous operational reliability within temperature spectrums from −25°C to +65°C.
Advanced Anti-Tamper Perimeter: Housed in a rugged, dustproof, and waterproof IP54-rated enclosure (128×77×217mm, 0.75kg), the meter incorporates dual-sensor detection loops that instantly flag and log base cover or terminal cover open events, maintaining data integrity through an externally replaceable backup battery (Read Without Main Power supported).
Robust Load & Grid Protection: Equipped with an integrated heavy-duty latching relay capable of handling maximum current surges up to 100A, automatically executing low-voltage isolation, overcurrent disconnections, and real-time active/reactive energy sampling for complete grid health transparency.
1. STs standard protocol ensures an open and secure operating system
2. Open protocol: DLMS/COSEM (E mode)
3. Prepayment and post-payment mode switchable for users’ convenience
4. Local and remote firmware upgrade.
5. Plug-and-play communication module, such as PLC, RF, GPRS, 3G, 4G, etc.
6. Internal switch relay for load demand control by configuration or remote communication
1. Measuring forward and reverse active energy in tariff.
2. Measuring forward and reverse reactive energy in tariff.
3. Instantaneous value measurement.
4.12 months' billing data and other frozen data for inquiry.
5. Block or slide mode configurable for maximum demand.
6. Import and export active MD in tariff with time stamp.
7. Import and export reactive MD in tariff with time stamp.
8. Large digit LCD display, easy to read.
9. Display readable without main power (RWP).
10. Standardized OBIS display
11. Backlights to increase readability in low light conditions.
12. Real-time clock: clock with calendar, timing, leap year automatic conversion function.
13. Multiple event detections and records with categories of operation, power grid, and tampering.
14. Base cover or terminal cover open detection and record
15. Prepayment mode via a numeric token with extended ways of recharging.
16. Channel quantity customized before leaving the factory; up to 8 channels.
17. Data for load profile record configuration
18. User-friendly mode for energy supply for low credit during weekends or holidays.
19. Emergency Credit for a certain sum of energy supply depending on the user’s credit level.
20. External battery replaceable
21. Alarm by LED or Buzzer when low credit, overload, and tamper.
| Specifications | QPM16 | |
| 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/PLC/RF/GPRS/3G/4G |
| Temperature Condition | Work Temperature | -25℃～+65℃ |
| Storage Temperature | -35℃～+75℃ | |
| Humidity | ≤85% | |
| IP degree | IP54 | |
| Dimension | 128X77X217mm | |
| Weight | Net weight | 0.71kg |
| Weight | 0.75kg | |
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