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AC Current Measurement

The mFi Current Sensor measures 
the AC current flowing in the 
circuit, not the power.

Note:

 Power is voltage 

multiplied by current.  
The mFi Current Sensor 
measures only the current 
(up to 100A maximum), 
and not the voltage.

The result indicates non-TrueRMS 
(Root Mean Square) current 
in amps, which may require 
additional analysis for non-linear 
loads, such as switching  
power supplies.

Summary of Contents for mFi-CS

Page 1: ...ction Thank you for purchasing the Ubiquiti mFi Current Sensor The mFi Current Sensor is designed for use with the mFi mPort Once they are connected you can use the mFi Controller software to monitor your machines using your Web browser ...

Page 2: ...r for various uses For example the following diagram depicts an mFi Current Sensor installed in an electrical panel You can use its measurements to Monitor the current flow of this circuit Determine the on off status of the machine powered by this circuit Track the machine s use of current over time ...

Page 3: ...To Machine mFi mPort Circuit Breaker and Power Source Hot or Neutral Wire ...

Page 4: ...the power Note Power is voltage multiplied by current The mFi Current Sensor measures only the current up to 100A maximum and not the voltage The result indicates non TrueRMS Root Mean Square current in amps which may require additional analysis for non linear loads such as switching power supplies ...

Page 5: ...quiti Networks Inc All rights reserved Ubiquiti Networks Support Email support ubnt com Phone 408 942 1153 9 a m 5 p m PST Online Resources Wiki Page wiki ubnt com Support Forum forum ubnt com Downloads downloads ubnt com JL042512 ...

Page 6: ...Current Sensor Model mFi CS Installation 1 Lift the latch to open the mFi Current Sensor ...

Page 7: ...2 Insert one wire either hot or neutral of the AC wire pair into the opening of the mFi Current Sensor ...

Page 8: ...3 Close the opening of the mFi Current Sensor until the latch snaps into place ...

Page 9: ...4 Connect a CAT5 6 cable to the mFi RJ45 port of the mFi Current Sensor ...

Page 10: ...ent Sensor to an mFi RJ45 port on the mFi mPort Refer to the User Guide on the CD ROM that was included with your mFi mPort for instructions on configuring the mFi Current Sensor in the mFi Controller software The User Guide is also available at www ubnt com mfi ...

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