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Standards: Class 1: IEC 61672-1:2013, Class 1: IEC 61260-1:2014
Weighting Filters: A, C, Z, B, 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
Outdoor Protection Kit: SA 277 outdoor protection kit (IP 65) with SC 277 extension cable
Preamplifier: SV 12L
Linear Operating Range: 23 dBA RMS ÷ 140 dBA Peak (in accordance to IEC 61672)
Dynamic Measurement Range: 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
Meter Mode Results: Elapsed time, Lxy, Leqx (LEQ), Lxpeak (PEAK), Lxymax (MAX), Lxymin (MIN), LR (ROLLING LEQ), 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 & 1/3 octave analysis
Data Logger: Time-history logging with two adjustable logging steps down to 2 milliseconds
Analyser: 1/1 octave real-time analysis (included), 1/3 octave real-time analysis (included), up to 40.0 kHz band meeting Class 1: IEC 61260-1
FFT Analysis: 1600 lines, up to 40.0 kHz band (option)
RPM Measurement: Rotation speed measurement parallel to the vibration measurement (option)
RT60 Measurement: Reverberation time measurement (option)
Audio Recording: Time domain signal recording to WAV signal, continuous or triggered (option)
Sampling Rate: 12 / 24 / 48 kHz with 24-bit resolution
Memory: MicroSD card 32 GB (removable & upgradeable up to 128 GB)
Communication Interfaces: USB 2.0, 4G modem, RS-232 for meteo module
Power Supply: Waterproof DC power supply 15 V, 60 WATT (acceptable voltage range 11 V ÷ 30 V)
Internal Battery: 17 Ah / 12 V
Secondary External Battery: 33 Ah / 12 V (option)
Solar Panel: Option
Operating Time On Battery: 4 days with continuous modem transmission¹, 8 days with modem switched off¹
Test Conditions: Meter mode, display dimmed, 2 ms time-history logger, continuous event recording
Environmental Conditions: Temperature -10 °C ÷ 50 °C, humidity up to 95 % RH, non-condensed
Dimensions: 305 × 270 × 194 mm (without cables)
Weight: Approximately 9 kg including battery
