Features
|
Sub Metering
|
Power Meters
|
Circuit Monitors
|
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|---|---|---|---|---|---|---|---|
Energy Meter B/E
|
Enercept B/E
|
PM820
|
PM850
|
CM3250
|
CM3350
|
CM4000
|
|
Instrumentation |
|||||||
Current, per phase & neutral
|  / | / | | | | | |
Current Demand—Max., per phase & neutral
| | | | | | ||
Voltage, per phase (L-L, L-N)
| / | / | | | | | |
Real Power, 3 phase total (kW)
| / | / | | | | | |
Reactive Power, 3 phase total (kVAR & kVA)
| / | / | | | | | |
Power Factor, 3 phase total
| / | / | | | | | |
Real Power Demand
| Opt./Opt.
| / | | | | | |
Real Energy (kWh)
| / | / | | | | | |
Reactive Power Demand, Present & Peak
| | | | | | ||
Apparent Power Demand, Present & Peak
| | | | | | ||
Real Energy, IN & OUT (kWh)
| | | | | | ||
Reactive Energy, IN & OUT (kVARh)
| | | | | | ||
Min./Max. Readings I,V,F,PF,THD,TOTAL KW &KVAR
| kW
| kW
| | | | | |
THD, Voltage & Current per phase
| | | | | | ||
Voltage N-G
| | ||||||
Current, Ground
| | | | ||||
Harmonic Power Flows
| | | | ||||
Trending and Forecasting
| | | | | |||
Flicker IEC61000-4-15
| Opt.
| ||||||
ITIC / SEMI F47 / NEMA MG-1-1998
| Opt.
| Opt.
| Opt.
| ||||
Logging & Alarming |
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Memory (std./optional)
| / Opt.
| 80k
| 800k
| 8MB
| 8MB
| 8/32MB
| |
Interval Min./Max./Avg. Log
| | | | ||||
Alarm Event Log
| | | | | | ||
Setpoint-Driven Alarms
| | | | | | ||
Boolean Alarms
| | | | | |||
High Speed (100 ms) Alarms
| | | | ||||
Disturbance (10 ms) Alarms
| | | |||||
Transient (1 microsec) Alarms
| CM4000T
| ||||||
Demand Methods |
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Block Interval (Sliding, Fixed, Rolling)
| | | | | | ||
Synchronized Demand (Input, Command, Clock)
| | | | | | ||
GPS Clock Synchronization Capability
| | | | ||||
Communications & I/O |
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RS-485
| Opt./Opt.
| / | | | | | |
RS-232
| | ||||||
Onboard Ethernet
| w/ECC
| w/ECC
| w/ECC
| ||||
Onboard HTML Web Page server
| w/ECC
| w/ECC
| w/ECC
| ||||
Infrared Port
| / | Opt.
| Opt.
| Opt.
| |||
KYZ/KY Output
| / | | | | | | |
Digital Inputs/Outputs (Max.)
| 1/1 (18)
| 1/1 (18)
| (8)
| (8)
| (24)
| ||
Analog Inputs/Outputs (Max.)
| (4)
| (4)
| (4)
| (4)
| (12)
| ||
Event Recording |
|||||||
Steady State Waveform Capture
| | | | | |||
Disturbance WFC
| | | |||||
Adaptive WFC
| | ||||||
100 ms Event Recordings
| | | |||||
Meter Characteristics |
|||||||
Sampling Rate, Samples/Cycle on 60 Hz
| 128
| 128
| 128
| 128
| 512a
| ||
Voltage Input range Vac
| 240/480
| 480/480
| 35–600
| 35–600
| 35–600
| 35–600
| 35–600
|
Current Input Range AC, STD (maximum)
| 0–10
| 0–10
| 0–10
| 0–10
| 0–10(100)
| ||
Accuracy of Voltage/Current reading
| 1%
| 1%
| 0.075%
| 0.075%
| 0.075%
| 0.075%
| 0.04%
|
Control Power—Vac
| 120/120–277
| 120–480
| 90–457
| 90–457
| 90–305
| 90–305
| 90–305
|
Control Power—Vdc
| 100–300
| 100–300
| 100–300
| 100–300
| 100–300
| ||
Accuracy IEC Class
| 0.5
| 0.5
| 0.5
| 0.5
| 0.2
| ||
Accuracy ANSI 12.20
| | | | | | ||
