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Product selection guide: Power quality analyzers

 
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Fluke 438-II Power Quality and Motor Analyzer
Discontinued
Fluke 1777 Power Quality Analyzer
 
Fluke 438-II Power Quality Analyzer & Motor AnalyzerFluke 1770 Series Three-Phase Power Quality Analyzers
 

Base measurements

DC current   
Three-phase   
Single-phase   
RMS voltage   
RMS current   
Neutral current   

Instrument features

Compact size for use inside panels   
Status display only  
Setup by laptop   
Real-time display of measurements   
On-instrument setup   
Setup by tablet  
External memory (CF, SD or USB stick)  

Measurements

Basic waveform display   
Fast oscilloscope function   
Phasor diagram   
Power and energy   
Total harmonic distortion   
Voltage harmonics   
Current harmonics   
Power harmonics   
K-factor   
Inrush current (triggered)   

Operating environment

Industrial   
Inside substation   
Residential / commercial   

Advanced measurements

Unbalance   
Interharmonics   
Power inverter efficiency   
Energy loss calculator  

Current range

< 1,600   
> 3000A (option)   

Measurement storage

Long-term RMS logging   
Screenshots   
Timed snapshots  
Waveform recording   

Advanced features

Automatic transient triggering   
En50160 analysis   
Flicker   
IEC61000-4-30 complianceClass AClass A 
Mains signaling   
Phase sequence components   
Transient capture > 1MHz   
Transient capture < 1MHz  
IEEE519 analysis  

Powering options

Battery operated   
Power from the measurement line  

Communications options

Ethernet, WiFi or USBWiFi/USBEthernet/WiFi/USB