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Standards: Class 2: IEC 61672-1:2013.
Weighting Filters: A, C, Z.
Time Constants: Slow, Fast, Impulse.
RMS Detector: Digital True RMS detector with Peak detection, resolution 0.1 dB.
Microphone: MEMS ST 973A microphone in 1/2” casing.
Preamplifier: Integrated.
SOUND LEVEL METER:
Linear Operating Range / Dynamic Range:
30 dBA RMS ÷ 129 dBA Peak (in accordance to IEC 61672).
25 dBA RMS ÷ 129 dBA Peak (typical from noise floor to the maximum level).
SOUND EXPOSURE METER:
Linear Operating Range / Dynamic Range:
45 dBA RMS ÷ 141 dBA Peak (in accordance to IEC 61672).
40 dBA RMS ÷ 141 dBA Peak (typical from noise floor to the maximum level).
Frequency Range: 20 Hz ÷ 10 kHz.
SOUND LEVEL METER Results:
Elapsed time; Lxy (SPL); Lxeq (LEQ); Lxpeak (PEAK); Lxymax (MAX); Lxymin (MIN);
where x: weighting filter A/B/C/Z; y: time constant Fast/Slow/Impulse;
Ovl (OVERLOAD); Lxye (SEL); LN (LEQ STATISTICS); Lden; LEPd; Ltm3; Ltm5.
SOUND EXPOSURE METER Results:
Lxy (SPL); Lxeq (LEQ); Lxpeak (PEAK); Lxymax (MAX); Lxymin (MIN); DOSE;
DOSE_8h; PrDOSE; LAV; Lxye (SEL); Lxye8 (SEL8); PLxye (PSEL);
E; E_8h; LEPd; PTC (PEAK COUNTER); PTP (PEAK THRESHOLD %);
ULT (UPPER LIMIT TIME); TWA; PrTWA; Lc-a.
Exchange Rate: 2, 3, 4, 5, 6.
Measurement Profiles: Simultaneous measurement in three profiles with independent set of filters (x) and detectors (y).
Statistics: Ln (L1-L99).
Data Logger: Time-history logging of summary results and spectra with two adjustable logging steps down to 100 ms.
1/1 Octave Analysis (option):
Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 31.5 Hz to 8 kHz.
1/3 Octave Analysis (option):
Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 20 Hz to 10 kHz.
Audio Recording (option): Audio recording on trigger or continuous mode, 12 kHz sampling rate, wav format.
Voice Comments: Audio records on demand, created before or after measurement, added to measurement file.
Memory: 8 GB internal memory.
Display: Colour OLED, 96 x 96 pixels.
Keyboard: 8 push buttons.
Communication Interfaces: USB-C, Bluetooth® 5.2.
Power Supply: Four AAA alkaline or rechargeable NiMH batteries (not included).
Operation time: 20 h ÷ 38 h (depending on configuration and environmental conditions).
USB interface: 100 mA HUB.
Environmental Conditions:
Temperature: -10 °C to 50 °C (14 °F to 122 °F).
Humidity: Up to 95 % RH, non-condensed.
Dimensions: 225 mm x 52 x 20 mm (including microphone).
Weight: Approx. 225 grams with batteries.
