SD Card, real time data logger, Patent SOUND LEVEL METER Model : SL-4023SD LUTRON ELECTRONIC ISO-9001, CE, IEC1010
SD Card real time data logger SOUND LEVEL METER Model : SL-4023SD FEATURES * * * * * * * * * * * * * * * * * * * * * Main functions are designed to meet IEC 61672 class 2. A & C weighting networks comply with standards. 0.5" standard microphone head. Time weighting (Fast & Slow) dynamic characteristic modes. Build External calibration VR. Auto range & Manual range selection. Available for external calibration adjustment. Condenser microphone for high accuracy & long-term stability.