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Nexus Meter Comparison Chart


Nexus 1500+ Nexus 1450 Nexus 1252 Nexus 1262 Nexus 1272
nexus-1500+ nexus-1252 nexus-1252 nexus-1262 nexus-1272
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 (Volts/Amps/Power/Freq, etc.)
Accuracy Class (ANSI C12.20) 0.2S 0.2S 0.2S 0.2S 0.2S
Stated Energy Accuracy % 0.06 0.06 0.04 0.06 0.06
Number of 3 phase circuits 1 1 1 1 1
Frequency Range 45‐69.9 Hz 42.5-69.5 Hz 20-500 Hz 45-75 Hz 45-75 Hz
Calibration Method
AccuMeasure™ Auto-Calibration
Constant Calibration™ Technology
Multi-Gain™ Metrology  
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 Memory Up to 4 GB 1.2 GB/4 GB Up to 4 MB Up to 2 MB Up to 4 MB
Historial logs 6 8 2 2 2
Max Days of Logging 4 values 24,000 341 days (64 values per log every 15min) 560 480 560
Limit Log
I/O Log
PQ Log
System Events Log
ITIC/CBEMA Log
Max Waveform Sampling 800,000+ samples/cycle 1024 samples/cycle 512 samples/cycle 512 samples/cycle 512 samples/cycle
Max Stored Waveform Events (before FIFO) 19,000 8,196 95 95
*Events =>1S      
Power Quality
Programmable Alarm Limits
% THD
TDD
K-Factor
Harmonic Magnitude
Flicker
IEC 61000 Reporting Class A Class A
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
DNP 3.0
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)
KYZ / Digital Inputs (16,32-O) (8,16-O) (8,16-O) (8,16-O) (8,16-O)
Relay Outputs (6,12-O) (2-S) (4,8-O) (4,8-O) (4,8-O)
KYZ (Pulse) Outputs (12-O) (2-S) (4,8-O) (3-S)+(4,8-O) (3-S)+(4,8-O)
Analog Outputs (4,8,16-O) (4,8,16-O) (4,8,16-O) (4,8,16-O) (4,8,16-O)
Analog Inputs (8,16-O) (8,16-S) (8,16-O) (8,16-O) (8,16-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

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