Opties           DS31 Real time analyser auto geluid     r Portable 30 channel digital 1/3 Octave Analyzer. r DS31 microphone measurement range is 65dB to 160dB. r Captures full 85dB window with scales from ¼ to 5dB. r Filters exceed ANSI specs. r Comes with RS232 computer interface. r An 85dB window not limited by the display. r Automatic Sum & Average function to normalize readings and stabilize pink noise. r 60 active memories. r IEC Flat, A, C or User designated curves. r A Sum mode to sum and average response curves. r A Subtract mode to subtract one memory from another. r Keypad selectable filters: ANSI triple tuned or sharper for notching applications. r Scales from ¼dB to 5dB. r Multiple plot function. r Export file function.   The DS31 is a Full Function Stand Alone Audio Spectrum Analyzers Measure Sound Level and Speech Intellegibility Index in CIS or STI formats when used with OPTion DA Software.           Specificaties           Measurement Range: Microphone Input: 65dB to 160dB       Line input: -88dBu to +14dBu (.031mV to 3.88V rms)       Measurement window: 85dB     Inputs: Microphone: Balanced, XLR 3 pin receptacle       Line: Unbalanced ¼" phone jack. 15k ohm impedance.     Outputs: None (standard)       Printer port: DB25F (optional)       RS232 port: DB25M (optional), Standard on DSP32\DS37     Center Frequencies: ISO 1/3 octave between 25Hz - 20kHz.     Center Frequency Accuracy: Typically ±1%.     Relative Flatness Channel to Channel: 1/4dB.     Displays: Audio Spectrum, 30 channel, 10 LEDs per channel, all channels scalable in ¼, ½, 1, 2, 3, 4, or 5dB SPL.       SPL & Reference readings are 3 digit via 7 segment LED readout.     Filters: ANSI standard (triple tuned) & sharper than standard for notching applications.     Weighting: IEC A, C, Flat or USER defined.     Decay Rate: Fast = 34.7dB/s, Medium = 8.7dB/s, Slow = 4.3dB/s     Function Control: 16 button keypad     Power Requirements: Batteries: Eight "AA" alkaline or nicad..External: 12Vdc @ 500mA via 2.1mm jack     Size (W x H x D): 10" x 10 ¼" x 2 ½"     Weight: 2 lbs.     Case Material: High Impact ABS.             Goedkeuring: CE, RoHS en WEEE       Leveringsomvang:       l DS31 1/3 analyzer 30 kan 65-160dB l MK16 160db SPL microfoon l Gebruiksaanwijzing               Opties