Nexus Meter Comparison Chart
| Nexus 1500+ | Nexus 1450 | Nexus 1252 | Nexus 1262 | Nexus 1272 | |
|---|---|---|---|---|---|
| Nexus 1500+ | Nexus 1450 | Nexus 1252 | Nexus 1262 | Nexus 1272 | |
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| Typical Application Uses | |||||
| Utility and Industrial Switchgear – Power Quality Measurement | Utility and Industrial Switchgear – Power Quality Measurement | Utility and Industrial Switchgear – Power Quality Measurement | Utility and Industrial Revenue Metering | Utility and Industrial Revenue Metering | |
| Basic Measurements and Accuracy | |||||
| Multifunction Metering (V/A/W/Frequency, etc.) | |||||
| Accuracy Class (ANSI C12.20) | 0.2 CL | 0.1 CL | 0.2 CL | 0.2 CL | 0.2 CL |
| Stated Energy Accuracy % | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 |
| Number of 3 phase circuits | 1 | 1 | 1 | 1 | 1 |
| Frequency Range | (45 to 69.9) Hz | (20 to 500) Hz | (20 to 65) Hz | (45 to 75) Hz | (45 to 75) Hz |
| Calibration Method | |||||
| AccuMeasure™ Auto-Calibration | |||||
| Constant Calibration™ Technology | |||||
| Multi-Gain™ Sensing Technology | |||||
| Advanced Revenue Measurements | |||||
| CT/PT Compensation | |||||
| Transformer Loss Compensation | |||||
| Time of Use | Perpetual TOU | Perpetual TOU | 20 year TOU calendar | 20 year TOU calendar | 20 year TOU calendar |
| Accuracy Test Pulse | |||||
| Accuracy Test Mode | |||||
| Logging | |||||
| Non-volatile Random-access Memory | Up to 4 GB | Up to 4 GB | Up to 4 MB | Up to 2 MB | Up to 4 MB |
| Historical logs | 8 | 8 | 2 | 2 | 2 |
| Maximum Length of Logging 4 Values at 15 Minute Intervals | 259 Days | 341 Days | 560 Days | 480 Days | 560 Days |
| Limit Log | |||||
| I/O Log | |||||
| PQ Log | |||||
| System Events Log | |||||
| ITIC/CBEMA Log | |||||
| Max Waveform Sampling | 800,000+ samples/cycle | 1,024 samples/cycle | 512 samples/cycle | 512 samples/cycle | 512 samples/cycle |
| Max Stored Waveform Events (before FIFO) *Events=>1 Second |
19,000 | 8,196 | 95 | 95 | |
| Power Quality | |||||
| Programmable Alarm Limits | |||||
| THD | |||||
| TDD | |||||
| K-Factor | |||||
| Harmonic Magnitude | |||||
| Flicker | |||||
| IEC 61000 Reporting | Class A Edition 3 | Class A Edition 3 | |||
| Customizable EN 51060 Report | |||||
| kHz Transient Recording | |||||
| mHz Transient Recording | |||||
| Communication Options (S= standard, O=optional) | |||||
| Optical Port/IrDA Port | (1-S) | (1-S) | (1-S) | ||
| RS485 | (2-0) | (4-S) | (4-S) | (2-S) | (2-S) |
| RS232 | (1-S) | (1-S) | |||
| RJ45 Ethernet | (1-S, 1-0) | (1-S) | (1-S) | (1-0) | (1-0) |
| USB | (1-S) | with P40N+ | with P40N+ | ||
| Fiber Optic | (1-0) | (1-S) | |||
| WiFi | |||||
| Modem | (1-0) | (1-0) | (1-0) | ||
| Max. No. of Communication Ports | 6 | 6 | 4 | 5 | 5 |
| Protocols | |||||
| Modbus RTU/ASCII | |||||
| Modbus TCP/IP | |||||
| Simultaneous Modbus Sockets | 32 | 28 | 12 | 12 | 12 |
| DNP3 | |||||
| IEC 61850 | |||||
| GOOSE | |||||
| BACnet | |||||
| SNMP (simple network management protocol) | |||||
| SMTP (simple mail transfer protocol) Email on Alarm | |||||
| Display | |||||
| Integrated | |||||
| External | |||||
| Programmable | |||||
| I/O | |||||
| High Speed Digital Inputs | (8-S) | (8-S) | (8-S) | (8-S) | (8-S) |
| Digital Inputs | (16, 32-O) | (8, 16-O) | (8, 16-O) | (8, 16-O) | (8, 16-O) |
| Relay Outputs | (6,12-O) | (4, 8, 12, 16-O) | (4,8-O) | (4,8-O) | (4,8-O) |
| KYZ (Pulse) Outputs | (4-O internal card)+(4, 8, 12, 16-O) | (2-S)+(4, 8, 12, 16-O) | (4, 8-O) | (3-S)+(4, 8-O) | (3-S)+(4, 8-O) |
| Analog Outputs | (4, 8, 12, 16, 24, 32-O) | (4, 8, 12, 16, 24, 32-O) | (4, 8, 12, 16-O) | (4, 8, 12, 16-O) | (4, 8, 12, 16-O) |
| Analog Inputs | (8, 16, 24, 32-O) | (8, 16, 24, 32-O) | (8, 16-O) | (8, 16-O) | (8, 12, 16-O) |
| Time Synchronization | |||||
| IRIG-B | |||||
| NTP | |||||
| Line Frequency Sync | |||||
| End of Interval Pulse | |||||
| Meter Security | |||||
| Password Control | |||||
| Multi Level User Passwords | |||||
| Sealing Switch/Mechanism | |||||
| Advanced Cyber Security | |||||
| Meter Physical Form | |||||
| Socket Form | |||||
| Switchboard | |||||
| Panel meter | |||||
| Multi-circuit | |||||
| Prewired Enclosure | |||||
| Transducer |
