XPT800-SLM - Class 1 sound level meter - advanced analyser

INTRODUCTION
XPT800 is a top-quality class 1 sound level meter-spectrum analyzer designed for acoustic professionals, offering accuracy, high performance, and ease of use. It serves various applications such as environmental noise assessment, building acoustics, workplace risk assessment, and industrial product analysis.

FEATURES

• Large 4.3” color touch screen display
• Storage: 4GB internal (expandable to 64GB with μSD)
• Ergonomic design for one-hand operation in harsh environments
• Intuitive user interface with smartphone-like gestures
• Wireless connectivity: data transfer and remote control (TBA)
• Multiple interfaces: Wi-Fi, LAN, USB-C, RS232/485
• Long-lasting rechargeable battery (>24hrs)
• Noise Studio Web and Desktop applications for data management and analysis

• Wide dynamic range for accurate measurements in various environments
• Long measurement capability with high-capacity battery
• Events identification with automatic audio recordings
• Advanced triggers and logging capabilities

• Interchangeable microphones with automatic identification
• Class 1 accuracy according to IEC61672:2013
• Measurement range: 20-140dB, Dynamic range exceeding 125dB
• Various frequency weightings and time constants
• Audio recording and spectral analysis capabilities
• Statistical analysis and automatic detectors

• Robust design for harsh environments
• Triaxial Input for vibration sensors (TBA)

• Exceedances (spectrum masks) and trigger logic
• Trigger I/O and RS232 digital interface

Storage capacity:

Embedded 4GB eMMC and up to 64GB μSD; USB memory stick
Upload to cloud storage service. Manual or (TBA) automatic

Logging interval:

Time history, independent Short, Standard, Report steps:
Short 10ms. Standard 100/200/500ms/1s.
Reports: 10/20/30s,1/2/5/10/20/30/60m

Power supply:

Rechargeable battery pack, Li-Ion polymer, 9000mAh. PCM circuit for battery protection

Power consumption:

Operating time > 24h

Weight:

505 g (batteries included)

Measuring range:

Dynamic range:
> 125dB

Linear Operating Range:
A (1kHz) 20 dB – 140 dBPk
C 22 dB – 140 dBPk
Z 25 dB – 140 dBPk

_{With standard MC800, 50mV/Pa microphone, MP800 preamplifier}

Connections:

Microphone:
MC800: Free field ½”, 50 mV/Pa sensitivity; 0V; IEC 61094-4 WS2F, 3.15Hz-20KHz.
MP800: preamplifier, automatic detection of model and calibration data. SDI (Sensor Digital Interface). CTC automatic electric calibration
Accelerometer:
IEPE, 4-pin circular push-pull, tri-axial

Display:

4.3” touch, 480x800px, colour TFT, high brightness, sunlight readability

Dimensions:

304x86x38 mm

Calibration:

Acoustic: Manual or automatic (tone detection). Calibrations history

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 differences (i.e. LCeq-LAeq), LU (user)
LAFT (TaktMax) , LPER(day, evening, night..), Ln (0.1%-99.9%)
_{*For more details about parameters see specific documentation}

Spectral analysis:

Octave:
Real time, 1/1 octave, 8Hz to 16kHz, IEC 61260-1:2014
Real time, 1/3 octave 6.3Hz to 20kHz, IEC 61260-1:2014
FFT:
TBA

Noise criteria:

NC, NR, RNC, RC, (TBA)

Intelligibility:

STI/STIPA (TBA)

Statistical analysis:

Broad band and Spectral: 7x Ln selectable percentile levels (0.1%-99.9%). Probability/Cumulative distribution

Audio:

Recording:
Mode: continuous or event. Resolution 16, 24, 32-bit.
Audio-band: 5, 10, 20 KHz. Format: Wave or compressed ADPCM

Playback:
Embedded codec for signal generation. Filtered Audio playback of microphone input

Measurement control:

Start, stop, pause, reset, back-erase, continue, event marking, audio Recording.
Measure timer from 1s to 23:59:59 hrs

Views:

SLM:
6 user selectable parameters; Levels difference (selectable); bar graph of 3 broadband levels. Alarms display on exceedances.

Numerical Tables:
All broad-band parameters, weightings & time const. in parallel: Inst., Average, Max-Min
7 x Ln percentiles broad-band, Ln moving, 7 x Ln 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:
Time profile of up to 4 selectable parameters. Audio and event markers as coloured bars.

Statistics:
Broad-band: Spectral: 1/n oct. Ln levels (histogram); probability/cumulative distribution (TBA).

Triggers:

Single or multiple triggers (OR/AND) on broad-band, spectra, Ln, Lmov

Detectors:

Tonality: Automatic identification according to DM 16/03/1998 and ISO1996-2 (TBA)
Impulsivity: Automatic identification according to DM 16/03/1998

Keyboard:

ON/OFF/MENU key with RGB backlight; Function keys (2x); Multi-colour Status Indicator.

Wireless:

Wi-Fi: Embedded WiFi module (IEEE 802.11 b/g/n)
GSM: Embedded 4G-LTE modem module (TBA)

Hardware interface:

USB-C: USB-C, OTG 2.0. MS (Mass Storage) and CD (Communication Device)
Ethernet: RJ45 10/100 Ethernet
Aux: RJ12: auxiliary connector for external devices
Audio I/O: 3.5mm 4-pin audio jack: audio I/O and trigger I/O

Localization:

GPS: TBA

Acoustic standards:

IEC:
Sound Level Meter
IEC 61672-1 (2013) class 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

Analysis software:

Environmental Noise Studio

Web application:

Noise Studio Web (data cloud storage)