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AEMC®Instruments

Model F25 [Catalog No. 2111.39]
Clamp-on Meters

  
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AEMC® Model F25 Clamp-On Meters

Characteristics:

  • True RMS measurements
  • Current: 1000A
  • Voltage: 600V
  • <31-segment analog bargraph
  • Low battery indicator level check
  • Audible control/warning indications
  • Recording mode for Min, Max, Avg and Max Peak
  • Direct reading %THD, %DF, CF, Peak (+ or -)
  • Smooth function for stable readings
  • Auto or manual ranging
  • Peak measurements (AC or DC)(+ or -)
  • Percent ripple for DC
  • Auto-Off
  • Designed to EN 61010, 600V Cat. III safety standards
  • Includes test leads
 
 
  Application:  
 
 
  • True RMS and DC voltage and current values
  • Determine levels of voltage and current distortion
  • Identify harmonic distortion patterns and source of voltage harmonics
  • Locate sources of harmonic current
  • Measure individual harmonics
  • Identify nonlinear loads
  • Prevent overheating in electrical distribution equipment, false circuit breaker tripping, power factor correction capacitor failure
  • Locate overloaded neutral wires
  • Derate transformers and generators to prevent overheating
  • Measure crest factor to evaluate harmonic content and determine CBEMA derating factor
  
 
  Product Description:  
 
space The Model F25, Harmonic Clamp-on Meter, is a portable, battery operated power quality instrument. The Model F25 performs current and voltage measurement in True RMS as well as current and voltage in DC, and immediate readings of Total Harmonic Distortion (%THD), Individual harmonic orders through the 25th, Distortion Factor (%DF), Crest Factor (CF) and Peak of distorted currents and complex voltages. Displays Min, Max, and Average measurement values allowing recording for over 24 hours with an internal clock logging record time. Frequency (Hz) can be measured through either the current or the voltage. The slim Clamp-on style makes it easy to work around crowded breaker panels and transformers.  
 
  Specifications:  
 
 
True RMS

Model F25
AC AMPERES  
Measurement Range 0.30 to 1000.0Arms; ±0.5 to ±1500.0A peak
Accuracy 0.30 to 59.99A: 2% of Reading ± 20cts; 60 to 1500A peak: 2% of Reading ± 2cts
Crest Factor >5.0 below 300A
Frequency Range 0.5Hz to 5kHz
AC VOLTAGE  
Measurement Range 0.05 to 600Vrms; ±0.05 to ±1500V peak
Accuracy 0.05 to 59.99V: 1% of Reading ± 10cts; 60 to 1500V peak: 1% of Reading ± 2cts
Input Impedance 1MΩ
Frequency Range 0.5Hz to 5kHz
DC AMPERES  
Measurement Range ±0.10 to 1500.0A
Accuracy ±0.30 ± 1500.0A
Basic Accuracy 0.30 to 59.99A: 2% of Reading ± 20cts; 60 to 1500A: 2% of Reading ± 2cts
DC VOLTS  
Measurement Range ±0.05 to ±600V
Accuracy 0.05 to 59.99V: 1% of Reading ± 10cts; 60 to 1500V peak: 1% of Reading ± 2cts
Input Impedance 1MΩ
TOTAL HARMONIC DISTORTION (%THD)
Range 0.2% to 1000%
Resolution 0.1%
Accuracy 5% of Reading ± 2cts
Frequency Range Fundamental 40Hz to 70Hz
Display Digital: %THD and True RMS (A or V)
Bargraph: True RMS (A or V)
DISTORTION FACTOR (%DF)
Range 0.2% to 100%
Resolution 0.1%
Minimum Input 10V or 10A
Basic Accuracy 5% of Reading ± 2cts
Frequency Range Fundamental 40Hz to 70Hz
Display Digital: %DF and True RMS (A or V)
Bargraph: True RMS (A or V)
 
 
General Specifications
INDIVIDUAL HARMONICS
Range 0.2% to 300% (%THD or %DF)
Rank Hdc (DC component), H01 to H25
Resolution 0.1%
Accuracy Distortion >10% & rank <H13: 5% of Reading ± 2cts
Distortion >10% & rank >H13: 10% of Reading ± 2cts
Distortion <10% & rank <H13: 10% of Reading ± 2cts
Distortion <10% & rank >H13: 15% of Reading ± 2cts
Frequency Range Fundamental 40Hz to 70Hz, 25th order
Display Digital: %THD and Individual; Harmonic value (A or V); Bargraph: True RMS (A or V)
TRANSFORMER HARMONIC DERATING FACTOR (CBEMA THDF)
Range 0.10 to 1.00
Resolution 0.01
Basic Accuracy 2% of Reading ± 2cts
Display Digital: THDF; Bargraph: Arms
TRANSFORMER K-FACTOR RATING
Range 1 to 30
Resolution 0.1
Basic Accuracy 1 to 9.9%: 5% of Reading ± 2cts; 10 to 30: 10% of Reading ± 2cts
Display Digital: %THD or K Factor; Bargraph: Arms
RIPPLE  
Range 1% to 999.9%
Resolution 0.1%
Basic Accuracy 2 to 99.9%: 5% of Reading ± 10cts; 100 to 999.9%: 5% of Reading ± 2cts
Display Digital: % Ripple; Bargraph: DC (A or V)
CREST FACTOR (CF)
Range 1.00 to 10.00
Resolution 0.01
Minimum Input >5V or >5A
Basic Accuracy (40 to 70Hz):
1.00 to 3.50: 2% ± 2cts
3.51 to 5.99: 5% ± 2cts
6.0 to 10.0: 10% ± 2cts
Display Digital: CF Bargraph: TRMS (A or V)
FREQUENCY (HZ)
Range 0.5 to 20,000Hz
Minimum Input 2A or 2V
Basic Accuracy 0.5Hz to 999.9Hz: 0.1% of Reading ± 2cts
1000Hz to 9999Hz: 0.2% of Reading ± 2cts
10kHz to 20kHz: 0.5% of Reading ± 2cts
Display Digital: Hz; Bargraph: DC (A or V), TRMS (A or V)
 
  Downloads:  
 
  pdf_pic Downloads: Specifications  
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