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11 August 2022
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NTI CALIBRATION CERTIFICATE For XL2/MR-PRO/MR2/ML1/M2211/M2215/M4261/MINI-SPL/AUDIO TALKBOX

Artikelnummer
25-618
Hersteller
NTI (NTI Audio)
Typennummer
  • 600000018
  • CALIBRATION CERTIFICATE
NTI CALIBRATION CERTIFICATE For XL2/MR-PRO/MR2/ML1/M2211/M2215/M4261/MINI-SPL/AUDIO TALKBOX

NTI AUDIO XL2 ACOUSTIC AND AUDIO ANALYSER

NTi XL2 is a powerful, portable audio analyser, which, when coupled with a suitable microphone, becomes a sound level meter to Class 1 or Class 2 standard and a comprehensive acoustic analyser as well. Supplied with software which connects the instrument to a PC to transfer data or log data it is an all-in-one tool intended for applications such as live sound, sound installations, recording studios, broadcast environmental noise measurements service and repair centres. The analyser is available as a stand-alone test instrument, with a choice of NTI Audio microphones or in kits together with a microphone, signal generator and other accessories. Firmware packages are offered to add reliable measurement of STI, speech transmission index and extended features for sound level and acoustic measurements.


XL2

The hand-held instrument has an LCD showing menu options and measured values. It can be used with the rechargeable Lithium-polymer battery supplied for up to four hours. Dry cell batteries will give a similar life, or a external power supply can be used, which will charge the Lithium polymer whilst in operation. An XLR connector on the top offers a high-impedance, balanced connection for the audio input, with 48V phantom powering available for a microphone. Detection of NTI Audio M4261 or M2211 microphones is automatic. An RCA (phono) socket takes unbalanced signals. A 3.5mm headphone socket provides for monitoring the incoming signal. A microphone is built-in, which may be used for polarity and delay measurements as well as voice note recording to a Mini SD card, not supplied, up to 2GB, which can also be used to record screen shots, log measurements and to record WAV files, AD-PCM compressed as standard, but to 24-bit 48kHz quality with the Extended Acoustic Pack option. There is an internal speaker; a USB interface may be used for recharging the internal Li-Po battery as well as transfer of data.

The XL2 has a flexible user interface; the measurement screens may be personalised and ‘only a limited subset of the comprehensive functionalities enabled for simplified operator interfaces. Advanced users may access all menus, settings and store their preferred measurement configurations’. For basic users the XL2 offers ‘audio and acoustic analyser fixed operator interfaces with specific pre-defined settings. The XL2 boots up with exactly the required measurement parameters according the pre-defined instrument configurations. This ensures accurate measurements achieved by advanced and basic users.’

Measurements

Signal level: True RMS detection in V, dBu and dBV. Range: 2uV-25V, -112dBu to +30dBu, XLR or RCA input. Accuracy: +/-0.5%, 1kHz. Flatness: +/- 0.1dB. Bandwidth: 20Hz-20kHz. Resolution: 3 digits in dB scale or 4 digits in linear scale. Frequency: 9Hz-20kHz. Resolution: 6 digits. Accuracy: Better than +/-0.003%. Distortion: -100dB to 0dB (0.001% to 100%) THD+N. Minimum level: -90dBu. Bandwidth: 10Hz-20kHz. Resolution: 3 digits in dB scale, 5 digits in linear scale or 6 digits in the x1 scale. Residual THD+N: Less than 2uV, XLR or RCA(phono) input. Scope: Auto-ranging, auto-scaling. Filter: High-pass 400Hz, high-pass 19kHz. A, C, Z frequency weighting.

FFT analysis: Real time FFT with LZF and Leq. Level resolution: 0.1dB. Frequency ranges: 7Hz-215Hz, 58Hz-1.72kHz, 484Hz-20.5kHz with 142 frequency bins shown on display. Reverberation time, RT60: 1/1 octave band results from 63Hz-8kHz, based on T20. 1/3 octave band results by post processing. Range: 10ms-14 seconds. Measurement according to ISO3382 by Schroeder-method. Test signal: Impulse source or gated pink-noise generated by the MR-PRO, MR2 or the included NTI Audio Test CD. Delay time: 0ms-1 second (0m-344m) propagation delay between electrical reference signal and acoustical signal using the internal microphone. Resolution: 0.1ms. Test signal: NTI Audio delay test signal generated by the MR-PRO, MR2 or the included NTI Audio Test CD. Polarity: Checks polarity of speakers and line signals, positive/negative detection of wideband and individual 1/1 octave bands through internal microphone or the XLR, RCA(phono) connectors. Test signal: NTI Audio polarity test signal generated by the MR-PRO, MR2 or the included NTI Audio Test CD.

Sound level: Class 1 frequency response according IEC 61672, XL2 with M2211 microphone. Class 2 according IEC 61672, XL2 with M4261 microphone. Standards: IEC 61672, IEC 60651, IEC 60804, ANSI S1.4, ANSI S1.43, DIN 15905-5, DIN 45645-2, SLV 2007. SPL actual, Leq, Lmin, Lmax, LCpeak. Gliding LAeq with t = 5’’, 10’, 15’ and 60’. Level resolution: 0.1dB. Internal noise: 1.3uV, A-Weighted. Frequency weighting: A, C, Z. Time weighting: Fast, slow. Real time analyser: 1/3 octave, 1/1 octave, frequency resolution, wide band. Frequency range: 6.3Hz to 20kHz. Level resolution: 0.1B. Band-pass filters conform to IEC 61260 class 0, ANSI S1.11–2004, class 1.

Included accessories: Test signal CD, USB cable, Li-Po battery, hand-strap, operating manual.
Optional accessories: As listed below.

Available sets;

600 000 340 XL2 with M4261 microphone. Without calibration certificate
600 000 351 XL2 with M2211 microphone. Without calibration certificate
600 000 401 XL2 with M4261 microphone, Minirator MR-Pro, accessories, and case. Without calibration certificate.
600 040 411 XL2 with M2211 microphone, Minirator MR-Pro, accessories, and case. Without calibration certificate.

FIRMWARE OPTIONS


Cinema Assistant

This option allows the user to efficiently calibrate cinema loudspeakers in accordance with SMPTE ST 202:2010 and SMPTE RP 200:2012.


Data Explorer

This option, once installed onto the XL2, allows the user to import logs and measurement data from the XL2 into PC based software.


Extended Acoustic Pack

This pack offers the addition of the following:
Percentiles: 1%, 5%, 10%, 50%, 90%, 95%, 99%. Time weighting: Impulse. Sound pressure level LIeq, sound exposure level LAE. TaktMax and values as specified in DIN 45645-1. Digital I/O interface. Recording of WAV-files at 24-bits, 48 kHz. High-resolution FFT: Up to 0.4Hz resolution in the range of 5Hz-20kHz.


Projector Pro

An option that allows the user to link the XL2 to a monitor screen or tablet via USB and display the XL2 screen contents for easier navigation and referencing.


Room Acoustics

This allows the user to import measurement data into the PC-based Room Acoustics Reporter software for RTA frequency response analysis.


Sound Insulation

This option allows the import of measurement data into the PC-based XL2 Sound Installation Reporter software for more intuitive analysis and reporting.


Spectral Limits

This option extends the XL2 sound and vibration function modes by adding noise curves, trace capturing, relative curve display, and tolerance handling.


Speech Intelligibility STIPA

This adds single value STI and CIS test result according to IEC 60268-16, 2003 release, DIN VDE 0833-4, IEC 60849, DIN VDE 0828-1. Modulation indices and individual band level results with error indicator, post processing with recorded spectra supported. Test signal: NTI Audio STI-PA signal generated by the MR-PRO, NTI Audio TalkBox or the STI-PA Test CD.


Vibration Meter

Enables the user to use the XL2 as a ‘professional vibration meter with broadband measurements and spectral analysis in 1/3 or octave resolution’. Vibration meter also comes with an FFT analysis and oscilloscope function as standard.

MEASUREMENT MICROPHONES


M2211, M2230, M4261

NTi plug-on omni-directional, condenser, free-field measurement microphones M4261 or M2211 form together with the XL2 a ‘comprehensive sound level meter and acoustic analyzer’. The microphones are 48V DC phantom powered and include a pre-amplifier. Both combine a high dynamic range and wide frequency-range with low noise. M2230 and M2211 extended performance measurement microphones have detachable half-inch capsule and offers Class 1 frequency response, the M4261 is a Class 2 device with a fixed, quarter-inch capsule. Each microphone is supplied with a protective pouch, windshield and microphone clamp with thread adapter, 5/8th to 3/8th inches.

M2230 consists of MA220 preamplifier and MC230 or MC230A capsule.
M2211 consists of MA220 preamplifier and 7052 capsule.
M4261 consists of M4261 microphone with permanently installed capsule.

M2230 M2211 M4261
Flatness: Class 1 certified Class 1 Class 2 (IEC61672-1)
Frequency range: 5Hz-20kHz 5Hz-20kHz 5Hz-20kHz
Residual noise floor: 16dBA 21dBA 27dBA Typical
Maximum SPL: 137dB SPL 144dB SPL 142dB SPL THD 3%, 1 kHz
Sensitivity: -27.5 +/-2 dB -34 +/-3 dB -36 +/- 3dB dBV/Pa, typical, 1kHz
Temperature coefficient: -0.01 dB/C 0.015 dB/C 0.02 dB/C -10 to +50C
Output Impedance: 100 ohms 100 ohms 100 ohms Balanced

M2010

A very compact and accurate measurement microphone providing Class 1 accuracy. It has a balanced XLR output and requires an external 10V - 48V DC phantom power supply. Supplied with microphone clamp, wind protection, and case.

Microphone type: 0.5-inch omni-directional pressure microphone
Sensitivity: 35 mV/Pa (-29 dBV/Pa), 1kHz, typical
Frequency response: Class 1, temperature -10 to +50 degrees C
Peak acoustic input: 150dB SPL (A-weighted)
Noise: less than 24dB SPL, A weighted

ACCESSORIES


Power Supply

This powers the analyser and charges the internal Li-Po battery in the XL2 in circumstances where USB charging is inappropriate.


Battery Charger - With battery

This charges the Li-Po battery externally from the XL2. It is supplied with a spare Li-Po battery.


Mounting Adapter

This mechanical adapter piece mounts the XL2 on a microphone stand. Adapters for 3/8 inch or 5/8 inch threaded stands are included. NTI Audio code: 600 000 372.


ASD Cable

This is an five metre cable with male and female 3-pole XLR connectors, used when it is desirable to mount the measuring microphone away from the XL2. Up to four ASD cables may be connected in series. The ASD cable is wired with four connections: the XL2 uses the metal body of the XLR input as an extra conductor. As a result the M4261 and M2211 microphones can be identified automatically. If the microphones are connected with a standard microphone cable, parameters must be entered manually.


Excel System Case

Made from re-enforced plastic and filled with foam, this has dedicated cutouts for an XL2 analyser, a Minirator MR-Pro, and a measurement microphone with spaces for batteries cables and adapters.


SPL Stack Light

This is a tubular lamp fitting, intended for such applications as indicating noise levels at live events or clubs or in noisy industrial environments. The light has three lamp sections, coloured green, amber and red, and connects to the XL2 via the Digital I/O Adapter Box. Connection is via a 5-pin XLR on a two metre captive cable. Fixing holes are provided in the base for permanent applications. Dimensions: 232 x 95 x 95mm. NTI Audio code: 600 000 382.


Digital I/O Adapter Box

This is connected to the digital I/O interface of the XL2 to provide a 'Turnkey solution' controlling an external SPL Stack Light. Limit settings may be customised in the XL2. There is a female 5-pole XLR connector for connection to the Stack Light, a male 3-pole mini-XLR connector to link to the XL2 with the supplied cable (2 metres) and an inlet for the supplied 24V power adapter. Dimensions: 170 x 85 x 35mm. NTI Audio code: 600 000 381.

Ordering Note

Unless otherwise stated, all products are exclusive of calibration certificate(s). NTi XL2, M2211, and M4261 calibration certificates can be purchased optionally along with the product. Please ensure you add multiple calibration certificates if the system you are purchasing includes multiple products.

  Bezeichnung Preis €
zzgl. MwSt.
Hinzufügen
Versand
NTI XL2 AUDIO AND ACOUSTIC ANALYSER Without measurement microphone or calibration certificate Artikelnummer: 25-621
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 2‑3 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
1.475,60 €
NTI XL2 AND M4261 ACOUSTIC TEST KIT Analyser and microphone, without calibration certificates Artikelnummer: 25-633
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 3‑4 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
2.011,10 €
NTI XL2 AND M2211 ACOUSTIC TEST KIT Analyser and microphone, without calibration certificates Artikelnummer: 25-634
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 4‑6 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
2.784,60 €
NTI EXCEL TEST SET Class 2, XL2, M4261, MR-Pro, accessories, case, without calibration certificates Artikelnummer: 25-635
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 2‑3 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
2.891,70 €
NTI EXCEL TEST SET Class 1, XL2, M2211, MR-Pro, accessories, case, without calibration certificates Artikelnummer: 25-636
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 1‑2 Monate. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
3.665,20 €
NTI CINEMA ASSISTANT OPTION Firmware for XL2 Analyser Artikelnummer: 25-674
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI DATA EXPLORER OPTION Firmware for XL2 Analyser, installation version Artikelnummer: 25-638
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI EXTENDED ACOUSTIC PACK OPTION Firmware for XL2 analyser Artikelnummer: 25-623
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI PROJECTOR PRO OPTION Firmware for XL2 Analyser Artikelnummer: 25-673
Dieses Produkt wird speziell für Ihre Bestellung eingekauft, lieferbar in 2‑3 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
403,77 €
NTI ROOM ACOUSTICS OPTION Firmware for XL2 Analyser Artikelnummer: 25-675
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI SOUND INSULATION OPTION Firmware for XL2 Analyser Artikelnummer: 25-676
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI SPECTRAL LIMITS OPTION Firmware for XL2 Analyser Artikelnummer: 25-639
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI SPEECH INTELLIGIBILITY STIPA OPTION Firmware for XL2 Analyser, with test CD Artikelnummer: 25-622
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI VIBRATION METER OPTION Firmware for XL2 Analyser Artikelnummer: 25-637
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI M2010 MEASUREMENT MICROPHONE Class 1, without calibration certificate Artikelnummer: 25-402
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI M2211 MEASUREMENT MICROPHONE For XL2 Analyser, Class 1, without calibration certificate Artikelnummer: 25-625
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 1‑2 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
1.297,10 €
NTI M2230 MEASUREMENT MICROPHONE For XL2 Analyser, Class 1, without calibration certificate Artikelnummer: 25-617
Preis auf Anfrage, rufen Sie uns an.
Preis auf Anfrage
NTI M4261 MEASUREMENT MICROPHONE For XL2 Analyser, Class 2, without calibration certificate Artikelnummer: 25-624
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 3‑4 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
538,36 €
NTI XL2 POUCH Ever-ready, for XL2 analyser Artikelnummer: 25-626
Dieses Produkt wird speziell für Ihre Bestellung eingekauft, lieferbar in 1‑2 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
49,24 €
NTI POWER SUPPLY For XL2/MR-PRO analogue audio signal generator, UK Artikelnummer: 25-606
Zur Zeit nicht auf Lager, lieferbar in 4‑6 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
32,83 €
NTI SPARE BATTERY For XL2, Li-Po, rechargeable Artikelnummer: 25-628
Dieses Produkt wird speziell für Ihre Bestellung eingekauft, lieferbar in 1‑2 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
57,45 €
NTI BATTERY CHARGER For XL2, external, including spare battery Artikelnummer: 25-629
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 1‑2 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
164,10 €
NTI MOUNTING ADAPTER For XL2 analyser, fits 3/8 and 5/8 inch microphone stand threads Artikelnummer: 25-677
Dieses Produkt wird speziell für Ihre Bestellung eingekauft, lieferbar in 1‑2 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
37,75 €
NTI ASD CABLE For XL2 analyser with measurement microphone, 5 metres Artikelnummer: 25-631
Dieses Produkt wird speziell für Ihre Bestellung eingekauft, lieferbar in 1‑2 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
73,86 €
NTI EXCEL SYSTEM CASE For XL2 analyser, MR-Pro, microphone, cables, batteries Artikelnummer: 25-632
Dieses Produkt wird speziell für Ihre Bestellung eingekauft, lieferbar in 3‑4 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
98,48 €
NTI SPL STACK LIGHT for XL2, 3x colours, adapter cable included, NTI PSU required for XL2 and light Artikelnummer: 25-678
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 2‑3 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
559,66 €
NTI DIGITAL I/O ADAPTER PCB for XL2, controls 3rd party displays and pheripherals, DC power required Artikelnummer: 25-679
Dieses Produkt wird speziell für Ihre Bestellung eingekauft. Bei Stornierung können Gebühren entstehen, lieferbar in 2‑3 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
554,78 €
NTI CALIBRATION CERTIFICATE For XL2/MR-PRO/MR2/ML1/M2211/M2215/M4261/MINI-SPL/AUDIO TALKBOX Artikelnummer: 25-618
Dieses Produkt wird speziell für Ihre Bestellung eingekauft, lieferbar in 2‑3 Wochen. Brauchen Sie diesen Artikel schneller? Rufen Sie uns an
86,28 €