XL2 - Handheld Audio and Acoustic Analyzer - Technical Specification

191Specifications18. Technical Data XL2Sound Level MeterProduct Con-figurationsXL2 with M2210 microphone •Class 1 frequency response in accordance with »IEC 61672Type 1 frequency response in accordance with »ANSI S1.4XL2 with M4260 microphone •Class 2 in accordance with IEC 61672 »Type 2 in accordance with ANSI S1.4 »Conforms with Stan-dardsIEC 61672, IEC 60651, IEC 60804, •IEC 61260 class 0, ISO 2969 China: GB/T 3785:2010, GB/T 3241, GB 3096-2008, •GB 50526, GB-T_4959-1995 Germany: DIN 15905-5, DIN 45645-2, optional: DIN •45645-1 Japan: JIS C1509-1:2005, JIS C 1513 class 1, JIS C •1514 class 0 Switzerland: SLV •US: ANSI S1.4, ANSI S1.43, ANSI S1.11-2004 class 1 •International IEC standards are adopted as European •standards and the letters IEC are replaced by EN. XL2 conforms to these EN standards. Details Measurement bandwidth (-3dB): 2 Hz to 23.6 kHz •Level resolution: 0.1 dB •Internal noise: 1.3 µV A-Weighted •Weighting Frequency weighting: A, C, Z •Time weighting: Fast, Slow, optional: Impulse •Linear Mea-surement RangeXL2 + M2210: 28 dB(A) - 144 dB (IEC 60804) •XL2 + M4260: 35 dB(A) - 144 dB (IEC 60804) •Level Range Three level ranges depending on the sensitivity of the connected measurement microphone with manual setting.M2210, M4260 @ sensitivity = 20 mV/Pa •LOW, lower level range: 10 - 110 dBSPL »MID, mid-level range: 30 - 130 dBSPL »HIGH, upper level range: 50 - 150 dBSPL »Stabilization Time< 10 secondsOverall Range @ S = 42 mV/Pa A weighted level: 23.1 - 139.0 dBSPL •C weighted level: 23.6 - 139.0 dBSPL •192SpecificationsResidual noise in [dB] @ S = 42 mV/Paof XL2 with-out mea-surement microphone Frequency weighting A •Level range Leq LpeakLOW 4 17MID 18 31HIGH 43 55Frequency weighting C •Level range Leq LpeakLOW 3 16MID 17 30HIGH 41 55Frequency weighting Z •Level range Leq LpeakLOW 7 20MID 21 34HIGH 46 58Integration TimeMinimum: 1 second •Maximum: 100 hours minus 1 second •Measure-mentsSPL actual, L • eq, Lmin, Lmax, LCpeakGliding L • Aeq with t = 5”, 10’, 15’ and 60’All measurement results simultaneously available •Correction value measurement wizard •Noise curves NC, NR, PNC, RC with post-process- •ingNoise exposure level LEX with post-processing •Logging all data or subsets in selectable intervals •Recording of wav-files (ADPCM), a new wav-file •starts every 12 hours (max. wav-file size 512 MB)Recording of voice notes •Monitoring of sound levels that exceed limits •Digital I/O interface for external peripherals control •Real-Time Analyzer RTAFrequency resolution: 1/3 octave, 1/1 octave, wide •bandFrequency range: 6.3 Hz to 20 kHz, level resolu- •tion: 0.1 dBBand pass filters conform with IEC 61260 class 0, •ANSI S1.11-2004, class 1Frequency weighting: X-Curve in accordance with •ISO 2969Capturing of a single reading into the internal •memory for comparative measurementsRemote Measure-ment (optional)Querying measurement data online via the USB •interface193SpecificationsFunctions ofExtendedAcousticPack (optional)SLMeter/RTA function •Recording of linear wav-files (24 bit, 48 kHz) »Percentiles for wide band and 1/1 and 1/3 octave »spectrum1%, 5%, 10%, 50%, 90%, 95%, 99% -Sampling: every 1.3 ms -Wide band: in 0.1 dB wide classes, based on -sampling LAF1/1 and 1/3 octave spectrum: in 1.0 dB wide -classes, based on Lxy (x= A, C or Z, y= F or S)Dynamic range: 140 dB -Sound Exposure Level LAE »100ms logging »Event-triggered audio and data recording »Time weighting: Impulse »(LxI, LxIeq with x= A, C, Z)True peak level in 1/1 and 1/3 octave resolution »Clock-Impulse Maximum Level (TaktMax) and »values as specified in DIN 45645-1FFT function •High-resolution Zoom-FFT with selectable fre- »quency ranges and resolution up to 0.4 Hz in the range of 5 Hz to 20 kHzRT60 function •Reverberation time RT60 in 1/3 octave resolution »Functions ofSpectral LimitsOption (optional)SLMeter/RTA function •True peak level in 1/1 and 1/3 octave resolution »FFT function •High-resolution Zoom-FFT with selectable fre- »quency ranges and resolution up to 0.4 Hz in the range of 5 Hz to 20 kHz1/12 octave function •High resolution RTA function “1/12 Oct + Tol” »Selectable 1/1, 1/3, 1/6 and 1/12 octave spectral »resolutionFrequency band listening at rear speaker »FFT and 1/12 octave function •Capturing of multiple readings into the internal »memory Comparing measurement results against cap- »tures with relative or absolute curve display Comprehensive tolerance handling with toler- »ance masks based on captures for passed/failed measurements Export and import of tolerance and capture files »194SpecificationsAcoustic AnalyzerFFT Analysis Real-time FFT with actual level, L • eq, Lmin, LmaxLevel resolution: 0.1 dB •Ranges: 7 Hz - 215 Hz, 58 Hz - 1.72 kHz, 484 •Hz - 20.5 kHz with 142 frequency bins shown on displayOptional: High-resolution Zoom-FFT with select- •able frequency ranges and resolution up to 0.4 Hz in the range of 5 Hz to 20 kHzOptional: Capture and tolerance function with mul- •tiple readings for comparative measurements and passed/failed analysisReverbera-tionTime RT601/1 octave bands results from 63 Hz - 8 kHz, •based on T20Optional: 1/3 octave bands results from •50 Hz - 10 kHz, based on T20Range: 10 ms - 14 seconds •Measurement in accordance with ISO 3382 using •Schroeder-methodTest signal: Impulse source or gated pink noise •generated by the MR-PRO, MR2 or the included NTi Audio Test CDDelay Time Propagation delay between electrical reference •signal and acoustic signal using the internal micro-phoneRange: 0 ms - 1 second (0 m - 344 m) •Resolution: 0.1 ms •Test signal: NTi Audio delay test signal generated •by the MR-PRO, MR2 or the included NTi Audio Test CDPolarity Checks polarity of speakers and line signals •Positive/Negative detection of wideband and •individual 1/1 octave bands through internal micro-phone or XLR/RCA connectorTest signal: NTi Audio polarity test signal gener- •ated by the MR-PRO, MR2 or the included NTi Audio Test CD1/12 Octave Analysis (optional)Actual level, L • eq, Lmin, LmaxSelectable 1/1, 1/3, 1/6 and 1/12 octave spectral •resolutionCapturing of multiple readings into the internal •memory Comparing measurement results against captures •with relative or absolute curve display Comprehensive tolerance handling •Creating tolerance masks based on captures for •passed/failed measurements Cinema Meter(optional)Measurements in 1/3 octave resolution according •SMPTE ST 202:2010 and SMPTE RP 200:2012An interactive assistant guides the user through •dedicated measurement procedures.STIPASpeech Intelligibility (optional)Single value STI and CIS test result in accordance •with IEC 60268-16, ISO 7240-16, ISO 7240-19, DIN VDE 0828-1, DIN VDE 0833-4Ambient noise correction •Automated averaging of measurements •Modulation indices and individual band level re- •sults with error indicatorTest signal: NTi Audio STIPA signal generated by •the MR-PRO, NTi Audio TalkBox or the STIPA Test CD195SpecificationsAudio AnalyzerLevel RMS True RMS detection in V, dBu, dBV and dBSPL •Range XLR/RCA input: 2 µV - 25 V (-112 dBu to •+30 dBu)Accuracy: ± 0.5 % @ 1 kHz, •Flatness: ± 0.1 dB @ 12 Hz to 21.3 kHz •Bandwidth (-3 dB): 5 Hz to 23.6 kHz •Resolution: 3 digits (dB scale),5 digits (linear scale) •or 6 digits (x1 scale)Frequency Range: 9 Hz to 21.3 kHz •Resolution: 6 digits •Accuracy: < ± 0.003% •THD+N(Total Har-monicDistortion +Noise)Range: -100 dB to 0 dB (0.001% to 100%) •Minimum level: > -90 dBu •Fundamental frequency range: 10 Hz to 21.3 kHz •Measurement bandwidth: 5 Hz to 23.6 kHz •Resolution: 3 digits (dB scale) or 4 digits (linear •scale)Residual THD+N @ XLR/RCA input: < 2 µV •Scope Auto ranging, auto scalingFilter Frequency weighting: A, C, Z •Highpass 100Hz, 400 Hz, 19 kHz, •Bandpass 22.4 Hz - 22.4 kHz in accordance with •IEC468-4Remote Measure-ment (optional)Querying measurement data online via the USB •interfaceInput / Output InterfacesAudio Inputs XLR balanced with input impedance = 200 kOhm, •phantom power: +48 V switchable, automated sensor detection for NTi Audio’s ASD measure-ment microphones and pre-amplifier MA220RCA unbalanced with input impedance >30 kOhm •Built-in condenser microphone for polarity testing, •delay measurements and voice note recordingAudio OutputsBuilt-in speaker •Headphone connector 3.5 mm Minijack Stereo •USB Inter-faceUSB mini connector for data transfer to PC, XL2 Projector and/or charging of Li-Po batteryDigital I/O Connection interface to accessoriesXL2 Input Keypad •Digital I/O Adapter Box •Digital I/O Adapter PCB •TOSLink 24 bit linear PCM audio signal output (prepared for later firmware extension)Memory SD Card included (4 GByte), removable, storing measurement data in ASCII format, screen shots, voice notes and wav-files196SpecificationsPower SupplyRechargeable Li-Po battery included •Type 3.7 V / 2260 mAh »Typical battery lifetime > 4 hours »Range: 3.3 - 4.5 VDC »Dry cell batteries type AA, 4 x 1.5 V •Typical battery lifetime > 4 hours »Range: 3.7 - 6.0 VDC »Linear external power supply 9 VDC •Range: 7.5 - 23.0 VDC @ minimum 6 Watt »Charges Li-Po battery during operation »USB-Power Supply charges Li-Po battery during •operationGeneralClock Real-time clock with lithium backup batteryCalibration Recommended calibration interval: one year •Microphone calibration with external calibrator •supportedOptional calibration certificate for new instruments •availableMechanics Tripod or microphone stand mount •Wire stand mounted on rear side •Display: 160 x 160 pixels grey scale with LED back •light Dimensions (L x W x H) •180 mm x 90 mm x 45 mm »7.1” x 3.5” x 1.8” »Weight: 480 g (1 lb) including built-in Li-Po battery •Temperature -10 °C to +50 °C (14° to 122°F)Humidity 5% to 90% RH, non-condensingElectromag-neticCompat-ibilityCE compliant: EN 61326-1 Class B, EN 55011 class BEN 61000-4-2 to -6 & -11All specifications are according the standard IEC61672. Other applicable standards are listed the corresponding specification position.197Specifications19. Technical Data MicrophonesM2210 Class 1 Frequency ResponseM2215 Class 1 Frequency ResponseM4260Class 2Microphone Type Omnidirectional, pre-polarized condenser, free field microphoneCapsule / Transducer 1/2” detachable capsule with 60UNS2 thread 1/4” permanently installed cap-sulePreAmplfier Type MA220 -Flatness Class 1 (IEC61672-1)±1 dB @ 5 Hz - 20 Hz ±1 dB @ 20 Hz - 4 kHz±2 dB @ 4 kHz - 20 kHzClass 2 (IEC61672-1)+1/-4.5 dB @ 5 Hz - 20 Hz ±1.5 dB @ 20 Hz - 4 kHz±4.5 dB @ 4 kHz - 20 kHzFrequency Range 5 Hz - 20 kHzResidual Noise Floor typical 19 dB(A) 25 dB(A) 29 dB(A)Maximum SPL @ THD 3%, 1 kHz144 dBSPL 153 dBSPL 144 dBSPLSensitivity typical -34 dBV/Pa ±3 dB (20 mV/Pa) @ 1 kHz-42 dBV/Pa ±3 dB (8 mV/Pa) @ 1 kHz-31.7 dBV/Pa ±3 dB(26 mV/Pa) @ 1 kHzTemperature Coefficient ±0.015 dB / °C ±0.015 dB / °C ±0.02 dB / °CPressure Coefficient -0.02 dB / kPa -0.04 dB / kPa Influence of Humidity (non-condensing)< ±0.01 dB < ±0.4 dB Long Term St ability > 250 years / dB -Temperature Range -10°C to +50°C (14°F to 122°F) 0°C bis +40°C (32°F bis 104°F)198SpecificationsM2210 Class 1 Frequency ResponseM2215 Class 1 Frequency ResponseM4260Class 2Temperature Range -10°C to +50°C (14°F to 122°F)Humidity 5% to 90% RH, non-condensingElectronic Data Sheet NTi Audio ASD in accordance with IEEE P1451.4 V1.0, Class 2, Template 27Output Impedance 100 Ohm balancedPower Supply 48 VDC phantom power, 3 mA typicalConnector Balanced 3-pole XLRDimensions Length 150 mm (5.9”), diameter 20.5 mm (0.8”)Weight 100 g, 3.53 oz 83 g, 2.93 ozNTi Audio # 600 040 020 600 040 045 600 040 025199SpecificationsSensitivity relative [dB]-12-10-8-6-4-2024681 10 100 1000 10000 10000086420-2-4-6-8-10-125 10 20 100 1000 10000 20000Typical Frequency ResponseTolerance Class 1, IEC61672-1(free field conditions @ reference direction 0°)log frequency [Hz]M2210, M2215M4260Tolerance Class 2, IEC61672-1