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Standards: DIN 4150-3, DIN 4150-2, BS 7385-2, 22/09/1994, 23/07/1986, IN-1226, USER FFT, USER 1/3 OCTAVE.
Meter mode: PPV, DF, RMS, VDV, MAX, Peak, Peak-Peak, Vector, aw, awv.
Profiles per channel: 2 (Velocity and Acceleration).
Analyser: 1/3 octave real-time analysis or FFT analysis.
Time domain recording: time domain signal recording to WAV format.
Filters in velocity profile: DIN 80, DIN 315, VEL1.
Filters in acceleration profile: HP1, HP3, HP10, Wk, Wd, Wc, Wj, Wm, Wg, Wb.
RMS & RMQ detectors: digital true RMS & RMQ detectors with Peak detection, resolution 0.1 dB.
Detector time constants: Fast 125 ms in accordance with DIN 4150-2.
Accelerometer: SV 84 triaxial high sensitivity (1 V/g).
Noise floor RMS: 14 μm/s (VEL1), 2 μm/s (VEL3).
Measurement range (SV 84): 0.0005 m/s2 RMS ÷ 50 m/s2 Peak.
Frequency range (SV 84): 0.2 Hz ÷ 315 Hz.
Sound level standards: Class 1 IEC 61672-1.
Sound meter mode: SPL, Leq, SEL, Lden, Ltm3, Ltm5, Statistics Ln (L1–L99), LMax, LMin, LPeak.
Weighting filters: A, C, Z, G.
RMS detector (sound): digital true RMS detector with Peak detection, resolution 0.1 dB.
Detector time constants (sound): Slow, Fast, Impulse.
Microphone kit: SV 208A outdoor microphone kit with extension cable (optional).
Measurement range (sound): 16 dBA RMS ÷ 140 dBA Peak.
Linearity range: 26 dBA RMS ÷ 140 dBA Peak (IEC 61672).
Frequency range (sound): 0.5 Hz ÷ 20 kHz (microphone dependent); with MK 255: 3.5 Hz ÷ 20 kHz.
Remote communication: 3G modem.
Power supply: DC power supply / charger 11 V ÷ 30 V (waterproof).
Internal battery: 17 Ah / 12 V.
Secondary external battery: 33 Ah / 12 V (optional).
Solar panel: optional.
Operating time on battery: 3 days with continuous modem transmission; 7 days with modem switched off.
Test conditions: meter mode, display dimmed, 10 ms time-history logger.
Environmental conditions: temperature -10 °C ÷ +50 °C.
Dimensions: 420 x 340 x 210 mm (without accessories).
Weight: approximately 9 kg including battery.
