• Versatile Storage Options - internal 4GB eMMC, μSD card, and external USB stick options, for flexible data management.
• Seamless Wireless Connectivity - enables easy data transfer and remote control with built-in Wi-Fi, 4G, LAN, USB-C, and RS232/485 interfaces.
• High Dynamic Range - with a dynamic range exceeding 125dB, the XPT800 delivers accurate measurements in both quiet and noisy environments, ensuring precision in every scenario.
• Long-lasting Battery Life - the XPT800 is equipped with an internal rechargeable battery and smart power management, supporting over 24 hours of continuous measurement, ideal for extended monitoring sessions.
• Automated Event Identification - facilitates unattended noise monitoring with automatic audio recordings, making it suitable for long-term environmental assessments.
• Advanced Trigger and Logging Capabilities - incorporates unique logging features and advanced trigger logic, including exceedance detection for broad levels and spectrum masks, enhancing measurement accuracy and efficiency.
• Vibration Measurement - supports triaxial input for vibration sensors.

TECHNICAL DATA:
• Inputs: - MS800 microphone set:
MC800: ½" free-field measurement microphone, 50 mV/Pa; 0 V; IEC 61094-4 WS2F, 3.15 Hz-20 kHz,
MP800: preamplifier with SDI (Sensor Digital Interface), Automatic detection of model and calibration data
Automatic electrical CTC calibration , Heater
Dynamic range: from 15 dBA to 140 dBpeak
- MS802 microphone set
MC802: ¼" pressure measurement microphone, 0.56 mV/Pa; 0 V; IEC 61094-4 WS4P, 10 Hz-20 kHz,
MP802: preamplifier with SDI (Sensor Digital Interface),
Dynamic range: from 65 dBA to 178 dBpeak
• Linear range with MS800 microphone set :
A (1kHz) 15 dB - 137 dB (140 dBpk)
C 18 dB - 137 dB (140 dBpk)
Z 23 dB - 137 dB (140dBpk)
• Frequency weightings: A, C + B or Z (user selection). 3 simultaneous
• Time constants: Fast, Slow, Impulse, Peak simultaneous
• Averaging: Linear, exponential, moving, max, min
• Parameters*: Lp, Leq, LIeq, SEL, Leqmov (Sliding), Lmin/max, Lpeak, Level diff. (i.e. LCeq-LAeq), LUp, LUeq (User between two sel.bands), LAFT, LAFTeq (TaktMax) , LPER(Lden, Ldn, Lday, Levening, Lnight ), Lp1/1, Lp1/3, Leq1/1, Leq1/3, Leqmov 1/1, Leqmov 1/3,Ln (0.1%-99.9%), Lnmov, Ln1/1, Ln1/3, pL, pL1/3
• Spectral Analysis:
- Octave: Real time, 1/1 octave, 8 Hz to 16 kHz, IEC 61260-1:2014 ; Real time, 1/3 octave 6.3 Hz to 20 kHz, IEC 61260-1:2014
- FFT: Real-time FFT simultaneous with octave or third-octave band spectral analysis:Span: 1200 Hz, 6000 Hz, or 24000 Hz ; Lines: 2000, 4000, 8000, or 16000 ; Analysis interval starting from 100 ms
• Noise Criteria: NC, NR, RNC, RC
• Reverberation time: T60 calculation
• Intelligibility: STI/STIPA
• Statistical Analysis: Broad band and Spectral: 7xLn (Lin and Mov) selectable percentile levels (0.1%-99.9%). Probability/Cumulative distribution.
• Audio Recording Mode: continuous, manual or event triggered. Resolution 16, 24, 32-bit.
Audio-band: 10, 20 KHz. Format: Wave
Playback Embedded codec for signal generation. Playback channels: Generator, Trace (.wav) or Measurement (Mic input). Playback Mic or Mic-filtered (Wide Band A, C, Aux or 1/3 band selectable) for Audio playback of microphone input.
• Measurement Control: Start, stop, pause, reset, back-erase, continue, event marking, manual audio recording.
• Measure timer: from 1 s to 23:59:59 hr
• Calibration: Acoustic Manual or automatic (tone detection); Calibrations history: date/time, dB correction; Free Field, Random Incidence, environmental and shield corrections
• Triggers: -Broad band Single or multiple (OR/AND) on broad-band levels, levels difference, Ln, Lmov ;
-Spectra On 1/1 or 1/3 oct. masks. Single - All bands mode. Max, min thresholds editable (man or json file)
• Detectors: Tonality: Automatic identification in accordance with DM 16/03/1998 and ISO1996-2 ; Impulsivity: Automatic identification in accordance with DM 16/03/1998 and ISO/PAS 1996-3:2022
• Storage: -Physical: Embedded 4GB eMMC; USB memory stick.
-Cloud: Upload to cloud storage service (NS-Storage). Manual or automatic (Push)
-Archive: List, preview and plot with zoom function of stored data. Manual data upload on NS-Storage cloud service.
• Datalogging:
-Time history: independent Short, Standard, Report steps.
-Short: 10 ms. Standard: 100/200/500 ms / 1 s.
-Reports: 10/20/30 s,1/2/5/10/20/30/60 m
-Events: triggered broad-band, octave, Ln values
-Globals: Continuous, Daily integrations
• Views: - SLM: 6 user selectable parameters with easy-to-read numbers - Levels difference (selectable) - Bar graph of 3 broadband levels - Alarms display on exceedances
- Numerical tables:
- Broad-band parameters, weightings & time const. all in parallel: Inst., Average, Max-Min.; 7xLn percentiles broad-band, Ln moving, 7xLn of 1/1 or 1/3 octave frequency bands.; Spectrum: Inst, Min, Max, Avg, Mov, Ln ; Exceedances: ongoing exceedances; n° of occurrences (SLM, Markers, audio.)
- Frequency spectrum:
- Histograms: up to 4 selectable. Values @cursor position. Overall A, C, Z, User 1/1 or 1/3 octave; Spectrum ponderation: A, C, or Z; Time constants: Lin, Fast or Slow Type: Inst, Mov, Avg, Max, Min, Rep-Avg, Rep-Max, Rep-Min, Evn-Avg, Evn-Max, Evn-Min
- Time history Simultaneous display of up to 4 selectable parameters with display/hide feature. 1xAudio and 4xEvent-Marker as presence-coloured bars. 3xBroad-band values bars. Cursor with inst. level and time display.
- Statistics Probability/cumulative distributions plots. Ln vs frequency bands (histogram)
• Display: 4.3" touch, 480 x 800 px, colour TFT, high brightness, sunlight readability. Auto brightness.
• Keyboard: ON/OFF/MENU key with RGB backlight; Function keys (2x); Multi-colour Status Indicator.
• Battery: Rechargeable battery pack, Li-Ion polymer, 9000 mAh. PCM circuit for battery protection ; Operating time > 24 h
• Wireless Wi-Fi Embedded Wi-Fi module (IEEE 802.11 b/g/n), for web communication and time sync ; GSM Embedded 4G-LTE modem module for web communication and time sync
• Hardware interface: - USB-C OTG 2.0. MS (Mass Storage) and CD (Communication Device);
- Ethernet RJ45 10/100 Ethernet for web communication and time sync
- Aux RJ12: Auxiliary connector for external battery power supply and for powering peripherals
- Audio I/O 3.5 mm 4-pin audio jack: audio I/O and trigger I/O
• Physical Dimensions: 304 x 86 x 38 mm. Weight: 505 g (incl. batteries). Dust and water-resistant case (IP54).
• Standard ¼" tripod mount thread.
• Operating conditions Temperature: from -10 °C to 50 °C / Humidity: from 25 %RH to 90 %RH
• Acoustic standards: IEC Sound Level Meter: IEC 61672-1 (2013) classe 1 - IEC 60651 (1979) plus Amendment 1 (1993-02) and Amendment 2 (2000-10), type 1 - IEC 60804 (2000-10) type 1
Octave and fractional octave band filters: IEC 61260-1 (2014)
ANSI Sound Level Meter: ANSI S1.4-1983 plus ANSI S1.4A-1985 Amendment type 1 (sound level meter)
ANSI/ASA S1.4-2014 class 1 - ANSI S1.43-1997 type 1
Octave and fractional octave band filters: ANSI/ASA S1.11-2014 Part 1

• Datasheet: XPT800
• Manual: XPT800