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Sound Level Meter & Analyser:
Standards: Class 1: IEC 61672-1:2013, Class 1: IEC 61260-1:2014.
Weighting Filters: A, B, C, Z, LF, U, AU.
Time Constants: Slow, Fast, Impulse.
RMS Detector: Digital True RMS detector with Peak detection, resolution 0.1 dB.
Microphone: Microtech Gefell MK 255, 50 mV/Pa, prepolarised 1/2” condenser microphone.
Preamplifier: SV 12L detachable (TNC).
Linear Operating Range / Dynamic Range:
23 dBA RMS ÷ 140 dBA Peak (in accordance to IEC 61672-1:2013).
16 dBA RMS ÷ 140 dBA Peak (typical from noise floor to the maximum level).
Internal Noise Level: Less than 16 dBA RMS.
Dynamic Range: 110 dB.
Frequency Range: 3 Hz ÷ 20 kHz with Microtech Gefell MK 255.
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;
LR (ROLLING LEQ option); Ovl (OVERLOAD); Lxye (SEL); LN (LEQ STATISTICS);
Lden; LEPd; Ltm3; Ltm5.
Measurement Profiles: Simultaneous measurement in three profiles with independent set of filters (x) and detectors (y).
Statistics: Ln (L1-L99), complete histogram in meter mode and 1/1 or 1/3 octave analysis.
Data Logger: Time-history logging of summary results and spectra with two adjustable logging steps down to 2 ms.
Analyser:
1/1 or 1/3 octave real-time analysis up to 40.0 kHz band meeting Class 1 requirements of IEC 61260-1.
FFT analysis: 1600 lines, up to 40.0 kHz band (optional).
RPM measurement: Rotation speed measurement parallel to vibration measurement (optional).
RT60: Reverberation time measurement (optional).
STIPA: Speech Transmission Index measurement and calculations (optional).
Audio Recording: Audio recording on trigger or continuous mode, 12 / 24 / 48 kHz sampling rate, wav format (optional).
Vibration Level Meter & Analyser:
Standards: ISO 20816-1.
Meter Mode: RMS, Max, Peak, Peak-Peak.
Measurement Profiles: Simultaneous measurement in three profiles with independent filter sets and detectors.
Filters: HP1, HP3, HP10, Vel1, Vel3, Vel10, VelMF, Dil1, Dil3, Dil10, Wh.
Accelerometer: SV 80 (100 mV/g) or any IEPE accelerometer (optional).
Analyser:
1/1 or 1/3 octave real-time analysis up to 40.0 kHz band meeting Class 1: IEC 61260-1.
FFT analysis: 1600 lines, up to 40.0 kHz band (optional).
RPM measurement: Parallel to vibration measurement (optional).
Data Logger: Time-history logging of summary results and spectra with two adjustable logging steps.
Time-domain Signal Recording: Continuous or triggered recording to WAV format (optional).
General Information:
Input: IEPE with TNC connector.
Memory: MicroSD card 32 GB, removable and upgradeable up to 128 GB.
Display: Blanview TFT-LCD 2.4” colour display, 320 x 240 pixels.
Communication Interfaces: USB-C, Bluetooth® 5.2, RS 232 (with optional SP 76).
External I/O: AC output 1 V Peak or Digital Input/Output (Trigger – Pulse).
Power Supply:
Four AA dry batteries, operation time > 12 h.
Four rechargeable AA batteries, operation time > 16 h (4.8 V / 2.6 Ah), not included.
External power supply: 6 V/500 mA DC ÷ 15 V/250 mA DC.
USB interface: Min. 500 mA HUB.
Environmental Conditions:
Temperature: -10 °C to 50 °C (14 °F to 122 °F).
Humidity: Up to 95 % RH, non-condensed.
Dimensions: 343 x 79 x 39 mm (with microphone and preamplifier).
Weight: Approx. 0.6 kg with batteries.
