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Power Measurement from Sifam.
3 Phase Digital Switchboard Meters. Ships in 1 Day.
Alpha 10
3 Line 4 Digit Display. Measures and displays:
* Voltage L-N and L-L   *Current-Individual phases   *Frequency
* Max and Min system: Voltage and Current.    * RPM
* Run Hours   *On Hours   *Number of Interrupts
* Input Field selectable: 1/5A, Voltage to: L-L 500V.
* Over Limit Protection Relay- 250 VDC, 5A set for V/ I.
* 1ea. AP10-331EAL     $139.00
Data- Alpha10 
   
Alpha 20 with RS485 Port
3 Line 4 Digit Display. Measures and displays:
*Voltage L-N and L-L    *Current-Individual phases 
*Frequency
*
System Active Power and per phase (kW)
* System Reactive Power and per phase (kVAr)
* System Apparent Power and per phase (KVA)
* System Phase Angle   * System Power Factor (PF)
*
Active Energy (kWh) *Reactive Energy *Apparent Energy.
* Demand, KW, Current, kVA, (Import Export)
* Input Field selectable: 1/5A, Voltage to: L-L 500V, L-N 290V
* Over Limit Protection Relay- 250 VDC, 5A set for V/ I. or Pulse.
1ea. AP20-11EA3LR   $169.00
Data- Alpha20
   
Alpha 30 Compares to INT-2000
Offers simple programming and display of up to 54 electrical measurement parameters via menu-driven user interface on the front panel. Alpha 30 digital metering system benefits from optional pulsed and digital communication outputs. Allows  measured parameters to be communicated to Scada building/power measurement system.
Data-Alpha30
Alpha 45 Kwh Meter
*
Measures Active Energy with class 1.0 accuracy,
*Auto Resetting 8 digit 7 segment LED counter.
*Fully programmable PT and CT ratios. *Front buttons or RS 485 port.
*Built in transient protection.   
*Phase sequence, phase failure indication.
*Remote data reading through Modbus RS485.
* On board Meter Memory for  last value before interruption.
Data-Alpha 45
   
Alpha 50-Replaces INT-2000 Series.
A Touch screen, single multi-functional Alpha 50 digital metering system replaces numerous single function instruments. Provides significant savings for all power monitoring applications. Easily displays 103 parameters on the LCD touch screen.
Data-Alpha 50