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      | Versatile AC  
        digital power meters. The design of POWER fills the need for a high  
        accuracy digital switchboard meter with transducer outputs that can be  
        configured in the field by an end-user, or when installed in new  
        electrical equipment by an OEM. 
 It eliminates requirements for a large inventory of dedicated  
        instruments, and provides flexibility when new panel designs or system  
        upgrades require changes in instrument transformer ratings. Our rugged  
        metal case fits standard panel cutouts for switchboard meters and makes  
        it a perfect replacement for less versatile instruments. They can also  
        replace separate power transducers and meters in new equipment designs.  
        An overall good solution for reduced wiring, panel space reduction,  
        improved accuracy, and lower cost.
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                  Features
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                  Scaling  
                    for PT (potential transformer) primary ratings up to 1250:1  
                    CT (current transformer) primary ratings up to 5000:1 
                  True  
                    RMS current and voltage measuring capability 
                  Accuracy:  
                    + 0.2% of reading; + 0.1% of full scale 
                  Settings  
                    stored in non-volatile memory and retained through loss of  
                    power
                  Electrical  
                    legends (Watts, Kilowatts, Megawatts) can be set by user and  
                    indicated by a red LED adjacent to the legend 
                  Adjustable  
                    transducer output proportional to the primary input setting 
                  Display  
                    average setting: "rolling average" of inputs  
                    reduces "digit bounce" 
                  Available  
                    Models:– Single Displays - 2491 SERIES
 – AC Volts, Amps, Watts, VARs, Power Factor, Phase  
                    Angle, and Frequency
Dual  
                    Displays - 2492 SERIES– Volt-Amp, Volt-Freq, Watt-VAR, Watt-Power Factor
Triple  
                    Displays - 2493 SERIES– 3 Volts, 3 Amps, Volt-Amp-Freq, Watt-VAR-Power  
                    Factor. Now Available with Modbus Option
All  
                    watt, VAR, power factor and phase angle models are available  
                    single phase; single phase, three wire; three phase, three  
                    wire; and three phase, four wire, (2 1/2 and 3 element) |  
              |  |  |  
  
    
      | CAT      
        NO. |  | MODEL |  | DEscRIPTION |  | AVAIL |  | PRICE |  
  
    
      | YK24912 |  | 2491151 AHD1
 |  | Single      
        display AC Amps, 5 Amp Input, 50/60 Hz, 4-20mA output, RS-485 |  | Yes |  | 918,000 |  
  
    
      | YK24913 |  | 2491251 AHD1
 |  | Single      
        display AC Volts/ 300 V AC Input, 50/60 Hz, 4-20mA output, RS-485 |  | Yes |  | 918,000 |  
  
    
      | YK24914 |  | 2491831 AHD1
 |  | Single      
        display Frequency Input (300 V Rating), 50/60 Hz, 4-20mA output, RS-485 |  | Yes |  | 918,000   |  
  
    
      | YK24915 |  | 249155255 AHD1
 |  | Single      
        display AC Watts 3P4W (3 Element), 120 V/5 A Input, 50/60 Hz, 4-20mA      
        output, RS-485 |  | Yes |  | 1,501,200   |  
  
    
      | YK24916 |  | 279155255 AHD1
 |  | Single      
        display VARS 3P3W, 120 Volt / 5 Amp Input, 50/60 Hz, 4-20mA output,      
        RS-485 |  | Yes |  | 1,501,200   |  
  
    
      | YK24917 |  | 2492171 AHD11
 |  | Dual display      
        AC Volt / Amp Dual function, 300 V / 5 A , AC Input, 50/60 Hz, 4-20mA      
        output, RS-485, 120 V Aux. Power |  | Yes |  | 1,220,400   |  
  
    
      | YK24918 |  | 249244175 AHD12
 |  | Dual display      
        AC Watt / Var Dual function, 3P4W |  | Yes |  | 1,220,400 |  
  
    
      | (3  
        Element) 240 V / 5 A AC Input, 50/60 Hz, 4-20mA output, RS-485, 240 V  
        Aux. Power |  
  
    
      | YK24919 |  | 24933721 AHD11
 |  | Triple      
        display AC Watt/ Var / Power Factor (2 1/2 Element) |  | Yes |  | 1,868,400 |  
  
    
      | 120V  
        / 5A ACInput, 50/60 Hz, 4-20mA output, RS-485, 120 V Aux. Power |  
  
    
      | YK24920 |  | 24930941 AHD11
 |  | Triple  
        display AC Volt/ Amp / Hertz 3P4W, 300V / 5A AC Input, 50/60 Hz, 4-20mA  
        output, RS-485, 120 V AC Aux. Power |  | Yes |  | 1,725,840   |  |  |