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0.1dB Resolution Range from 30 to 130dB Fast/Slow dynamic characteristic A&C Frequency Weighting

Measure % Noise Dose / Exposure Time / Sound Level Real time clock with calendar(1355) RS-232 interface(1355)

Wide linearity range of 100dB 32000 Records Data logging function USB interface Real time clock with calendar

Auto ranging 0.1dB Resolution Range from 30 to 130dB A&C Frequency Weighting Fast/Slow dynamic characteristic 32000 Records Data logging function USB interface Real time clock with calendar

0.1dB Resolution Maximum hold function AUX OUTPUT JACKS

0.1dB Resolution Maximum hold function AUX OUTPUT JACKS

Superb high – contrast backlit TFT – LCD color display Real-time 1/1-Octave and 1/3-Octave analysis 4GB microSD Memory Card Data transfer using USB Real time clock with calendar AC and DC outputs

Analysis for Single Phase and Balanced 3 phase system True RMS Value (V and I) Active Power (K,KW,MW,GW) Apparent (VA,KVA,MVA) and Reactive Power (VAR,KVAR,MVAR) Power Factor (PF), Phase Angle( Φ ) Energy (WH,KWH,KVARH,PFH) Programmable PT(1 to 3000)Ratios Display of Overlapped Voltage and Current Waveform Maximum Demand (MD in W,KW,MW) with programmable Period Harmonic Analysis (V and I) to 50th Order Display of 25 Harmonics in one screen Optical Isolated RS-232C Interface Smart Datalogging to save Battery Datalogging of 32,64,128 or 256 points/cycles Analysis of Total Harmonic Distortion (%THD-F) Graphic Phasor Diagram Capture 128 Transient Events (Time+Cycles+Faults) with Programmable Threshold(%),also can be reviewed in LCD 50000 Records with Programmable Interval (1 to 6000 seconds) Real-time Output of Waveform, Power Parameters and Harmonics at Command Large Dot Matrix LCD Display with Backlight Power for Long-term Monitoring Built -in Calendar Clock for Data Logging