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Product selection guide: Power quality analyzers

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Fluke 437 Series II 400 Hz Power Quality and Energy Analyzer - 1
Discontinued
Fluke 1777 Power Quality Analyzer
Fluke 437 Series II 400 Hz Power Quality Monitor and Energy AnalyzerFluke 1770 Series Three-Phase Power Quality Analyzers
Automatic transient triggering   
En50160 analysis   
Flicker   
IEC61000-4-30 complianceClass AClass A 
Mains signaling   
Phase sequence components   
Transient capture > 1MHzTransient capture < 1MHz  
Transient capture < 1MHz  
IEEE519 analysis  
Unbalance   
Interharmonics   
Power inverter efficiency   
Energy loss calculator  
DC current   
Three-phase   
Single-phase   
RMS voltage   
RMS current   
Neutral current   
Ethernet, WiFi or USBWiFi/USBEthernet/WiFi/USB 
< 1,600   
> 3000A (option)   
Compact size for use inside panels   
Status display only  
Setup by laptopSetup by tablet  
Real-time display of measurements   
On-instrument setupExternal memory (CF, SD or USB stick)  
Setup by tablet  
External memory (CF, SD or USB stick)  
Long-term RMS loggingLong-term waveform recording  
Screenshots   
Timed snapshots  
Waveform recording   
Industrial   
Inside substationOutside substation / transformer  
Residential / commercial   
Battery operatedPower from the measurement line  
Power from the measurement line  
400Hz frequency 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)