Senseca XPT801 Sound Level Meter And Frequency Analyser (30 dB – 137 (140 pk), class 1)

Inputs

Microphone

MC801: Free field ½”, 25 mV/Pa sensitivity; 0 V; IEC 61094-4 WS2F, 10 Hz-20 KHz. 

MP801: preamplifier, automatic detection of model and calibration data.   SDI (Sensor Digital Interface). CTC automatic electric calibration

Measuring ranges(with MC801 microphone, MP801 preamplifier): 

Dynamic range > 120 dB

Linear Operating Range:

 A (1kHz) 25 dB – 137 (140 pk) 

C 27 dB – 137 (140pk) 

Z 30 dB – 137 (140 pk)

Frequency weightings: A, C + B or Z (user selection). 3 simultaneous

Averaging: Linear, exponential, moving, max, min

Spectral Analysis

 Octave: Real time, 1/1 octave, 32 Hz to 16 kHz, IEC 61260-1:2014 

         Real time, 1/3 octave 10 Hz to 20 kHz, IEC 61260-1:2014

Noise Criteria:  NC, NR, RNC, RC

Statistical Analysis: Broad band: 7xLn 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 or compressed (ADPCM)

Line out:  Microphone input on 3.5 mm jack

Measurement Control: Start, stop, pause, reset, back-erase, continue, event marking, manual audio recording. 

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)

Storage

Physical: Embedded 4GB eMMC and up to 64GB µSD (TBA); USB memory stick.

Cloud: Upload to cloud storage service (NS-Storage). Manual or automatic (Push)

Archive: List, preview and plots with zoom function of stored data. Manual data upload on NS-Storage cloud service.

Datalogging

Time history: independent Short, Standard, Report steps. 

Short: 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