Product description GF438II handheld three phase power quality analyzer offer the best ability in power quality analysis, GF438II handheld power quality analyzer help locate, predict, prevent and troubleshoot power quality problems in three phase and single phase power distribution systems. Additionally, GFUVE patented energy loss algorithm, unified power measurement, measuring and counting energy losses due to harmonics and unbalance issues, allowing the user to pinpoint the origin of energy losses in the system. Functions ? Troubleshoot: analyze the trends using the cursors and zoom tools; ? View graphs and generate reports: with included analysis software; ? Battery life: up to 5 hours operating time per charge on Li-ion battery pack; ? Automatic trending: every measurement is always automatically recorded, without any set-up; ? Power inverter efficiency: simultaneously measure AC output power for power electronics systems; ? Power harmonic analysis, harmonic pollution analysis, in-harmonic analysis, hi-harmonic analysis; ? Waveform capture: GF438II capture 50/60 cycles (50/60Hz) of each event that is detected in all modes, without set-up; ? Automatic transient GF438II analyzers capture 200 kHz waveform data on all phases simultaneously up to 1000V; ? Mains signaling: GF438II analyzer measure interference from ripple control signals at specific frequencies; ? Highest safety rating in the industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance; ? System-monitor: ten power quality parameters on one screen according to EN50160 power quality standard; ? Logger function: configure for any test condition with memory for up to 600 parameters at user defined intervals; ? Fully class-A compliant: GF438II analyzers conduct tests according to the stringent international IEC 61000-4-30 class-A standard; ? Measure all three phases and neutral: with included four flexible current probes with enhanced thin flex designed to fit into the tightest places; ? Power wave data capture: GF438II analyzers capture fast RMS data, show half-cycle and waveforms to characterize electrical system dynamics (generator start-ups, UPS switching etc.); ? Energy loss calculator: classic active and reactive power measurements, unbalance and harmonic power, are quantified to pinpoint true system energy losses in dollars (other local currencies available); Application ? Power quality;? Power generation;? Wind power plant;? Power distribution;? Hydroelectric power;? Power quality reports;? Renewable power plants;? Electricity power company;? Photovoltaic power station;? Uninterruptible power supply;? Uninterruptible power supply in healthcare;? Recording transients of switching manoeuvers;? Effects of power quality issues on living and working environment; Basic parameter Customized support: OEM, ODM Place of Origin: Beijing, China Brand Name: GFUVE Model Number: GF438II P,Q,S Resolution: 0.001W U Resolution: 0.001V I Resolution: 0.001A Bandwidth measurement: 40Hz-70Hz Display mode: Real-time data showed Window points: 5120 points Voltage: 4 channel DC voltage Weight: 1.6KG Comunication Port: USB, 10/100M port Key: 21PCS