Type 1 Sound Level Meter Datalogger with SD Card

Professional Type 1 sound level meter with built-in real-time datalogging and SD card storage for uninterrupted recording and post-event analysis of noisy environments. Measures SPL (sound pressure level) and Leq (equivalent continuous noise level) and provides over/under range indication for reliable readings. Selectable A and C frequency weightings and Fast and Slow time weightings give flexible measurement options for a variety of acoustic assessments. Delivers high precision: ±1.5 dB at 31.5 Hz to ±2.5 dB at 16 kHz, with a display resolution of 0.1 dB. Designed for ease of use, it features a large dot-matrix LCD with backlight and simple controls including data hold, peak hold, and max/min functions.