Svantek SV 200A 4G Noise Monitoring Station (Class 1; 15–133 dBA; 3.5 Hz–20 kHz)

Standards: Class 1: IEC 61672-1:2013; Class 1: IEC 61260-1:2014

Weighting Filters: A, B, C, Z

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: Integrated

Linear Operating Range: 25 dBA RMS ÷ 133 dBA Peak (in accordance with IEC 61672)

Dynamic Measurement Range: 15 dBA RMS ÷ 133 dBA Peak (typical from noise floor to maximum level)

Internal Noise Level: Less than 15 dBA RMS

Frequency Range: 3.5 Hz ÷ 20 kHz

Meter Mode Results: Elapsed time; Lxy (SPL); Lxeq (LEQ); Lxpeak (PEAK); Lxymax (MAX); Lxymin (MIN);

Lxye (SEL); 2 × LR (Rolling LEQ); 2 × LE (Estimated LEQ);

Ln (LEQ statistics); Lden; LEPd; Ltm3; Ltm5

Measurement Profiles: Simultaneous measurement in three profiles with independent sets of filters (x) and detectors (y)

Statistics: Ln (L1–L99); complete histogram in meter mode and 1/1 & 1/3 octave analysis

Data Logger: Logging of summary results; spectra distribution and statistics; weather data with logging step down to 1 s; time history of selected parameters with logging step down to 20 ms

1/1 Octave Analysis¹: Real-time Class 1 analysis per IEC 61260; centre frequencies from 4 Hz to 16 kHz

1/3 Octave Analysis¹: Real-time Class 1 analysis per IEC 61260; centre frequencies from 4 Hz to 20 kHz

Noise Directivity¹: Maximum noise energy directivity measurements in azimuth and altitude directions; noise energy distribution diagram

Audio Recording¹: Time-domain recording to WAV format with selectable bandwidth and recording period

Remote System Check: Built-in electrostatic actuator; manual or automated triggering

GPS: Time synchronization and localization

Memory: 64 GB (non-removable)

Display and Keyboard: 1.1” OLED display; 5 push-buttons keyboard

Communication Interfaces: USB; RS 232; UART (TTL); LAN; Bluetooth®; 4G modem; WLAN

Ingress Protection Rating: IP 54

Power Supply: Li-Ion rechargeable battery (non-removable)

Operation Time on Battery (10.8 V / 6.7 Ah):

– Modem off: up to 7 days

– Modem on: up to 4 days²

Solar Panel (not included): MPPT voltage 15.0 V ÷ 20.0 V

AC Power Supply (included): Input 100 ÷ 240 VAC; output +15 VDC 2.67 A; IP 67 housing

External DC Source (not included): Voltage range 10.5 V ÷ 24 V (e.g. 12 V or 24 V accumulator³)

Environmental Conditions – Temperature: −30 °C to 70 °C⁴

Environmental Conditions – Humidity: Up to 99 % RH, non-condensed

Dimensions: 860 mm length; 70 mm diameter excluding windscreen (windscreen diameter 130 mm)

Weight: Approx. 3.2 kg

Datasheet