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 OFC-1 Pulsed Optical Frequency Counter
OFC-1 Pulsed Optical Frequency Counter
Line EMI Meter
Product #: SLT-1387

Power Line Meter which measures high frequency electric fields present on your power lines in milliVolts Peak-to-Peak. It captures frequencies between 10 KHz and 10 MHz.  These high frequency electric fields are commonly known as Dirty Electricity.  
Dirty Electricity Power Line Meter 
  • Easy to operate, simply plug in the meter to each outlet you wish to test throughout your home and record your results
  • LCD digital display will indicate the sum total field strength of all sources within its frequency range in mVpp (milliVolts Peak-to-Peak) as well as the line voltage at 60 Hz as a secondary measurement
  • Audible amplitude demodulated tone of the measured Electromagnetic Interference (EMI)
  • Includes a yellow status bar at the top of the display to help determine the severity of the EMI being detected
  • Wide frequency detection range of 10 KHz to 10 MHz
  • Dimensions:  5.2 x 3.6 x 1.6 inches; 132 x 91 x 41 mm
  • Powered by plugging into a standard wall outlet, no battery required!
Line EMI Meter Includes: 
  • Line EMI Meter
  • 1 Year Manufacturer Defect Warranty
  • Hard Shell Zippered Carrying Case - Exterior Dimensions: L=20cmx W=10cm x H=4cm 
  • Audible Tone: Audio assessment - internal speaker plays the sound of the EMI, amplitude demodulated, in order to help identify the EMI source
  • LCD Display: Easy to read 3.5 digit display
  • Power Supply: North American Power Cord Included - no battery required
  • Line Noise: Total line noise value displayed in milliVolts Peak-to-Peak (mVpp)
  • Line Voltage: Value displayed in AC Voltage (VAC) at 60 Hz

Technical Data - Line EMI Meter:

Operating Voltage 85 - 300 VAC 50/60 Hz
Refresh Rate @ 4x/sec
Line Noise Range
0.1 - 1999.0 mV Peak-to-Peak
Noise Read Accuracy +/-8% from 20kHz to 2MHz (within a factor of two from 10kHz to 10MHz)
5.2 x 3.6 x 1.6 inches; 132 x 91 x 41 millimeters 
Weight 8 ounces; 227 grams 
Power Cable Detachable 2-wire cord (North America)
Meter Case Material Plasic
Manufacturer Alpha Lab Inc.

Line EMI Meter Manual by AlphaLabs - 2019
Line EMI Meter User Guide