Features of Power Xpert 4000/6000/8000

Feature	Power Xpert 4000	Power Xpert 6000	Power Xpert 8000
General
Embedded Web Server	•	•	•
Power Quality Index (at-a-glance 'thermometer' view of power quality)	•	•	•
TOU metering support	•	•	•
Firmware flash upgrade support	•	•	•
Self-learning capability (characterizes "normal" per circuit)	•	•	•
Power, Energy, & Demand
Voltage, current: per phase minimum, maximum, average, trend graph analysis, export, print	•	•	•
Power: power factor, apparent, real, reactive, frequency	•	•	•
Energy, demand: forward, reverse, net, sum, TOU, profile, previous month comparison, graph analysis, export, print	•	•	•
Power Quality Analysis
Statistical analysis (min, max, average)	•	•	•
Sag and swell monitoring	•	•	•
Symmetrical components: zero, negative, positive	•	•	•
Low frequency transient detection and capture	•	•	•
Sampling rate, maximum samples/cycle	1024*	1024*	100,000
"Number of nines" uptime data (e.g. 6 nines=99.9999%)	•	•	•
Security
Secure 5 level user access privileges	•	•	•
Communications & I/O
Modbus TCP	•	•	•
Modbus RTU	•	•	•
HTML	•	•	•
SNMP (Simple Network Management Protocol)	•	•	•
SMTP (Simple Mail Transfer Protocol)	•	•	•
FTP (File Transfer Protocol)	•	•	•
NTP (Network Time Protocol)	•	•	•
COMTRADE file format for waveform capture export	•	•	•
Trend measurements CSV file export	•	•	•
I/O (eight digital inputs, three relay outputs, two solid state KYZ outputs)	•	•	•
Time Synchronization
NTP time synchronization up to 1 millisecond accuracy	•	•	•
GPS time synchronization up to 1 millisecond accuracy	•	•	•
Logs
Trend logging	•	•	•
Load profile	•	•	•
Event logging	•	•	•
Memory & Storage
512 MB standard, 1 GB optional memory	•	•	•
Harmonics
Harmonics (phase angle and magnitude)	127	127	127
Delta-Sigma D/A Conversion Technology	•	•	•
Harmonics over-sampling (1024 samples per cycle)	•	•	•
Anti-alias filtering	•	•	•
Highlights
Flicker calculations		•	•
Sub-cycle disturbance capturing	•	•	•
dV/dt triggers for sub-cycle oscillatory transients	•	•	•
Absolute threshold and dV/dt triggering	•	•	•
Automatic trigger setting		•	•
Automatic event severity analysis		•	•
ITIC (Information Technology Industry Council) performance curve		•	•
Impulsive Transient Capture & Detection
6 MHz capture of impulsive transients			•
Transient capture duration: ~20 ms/6MHz ~120 ms/1 MHz			•
Waveform recorded at 100,000 samples per cycle			•
Three-phase voltage and neutral-to-ground fast transient capture			•