Real time data logger with integrated SD memory card measures/records general sound levels and meets IEC 61672-1 Type 2 standards. REED R8070SD Offers This R8070SD has triple range measurement and features Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using a SD card (max 16GB), a user can manually record up to 99 readings or automatically by selecting a desired sampling rate from 1 to 3600 seconds. Quickly generate an Excel file with raw data, all without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Features High accuracy of ±1.0dB to 1kHz meets Type 2 standards Triple range measurement (50dB dynamic range) A & C frequency weighting Fast & Slow time weighting Real-time data logger with integrated SD memory card User selectable sampling rate from 1 to 3600 seconds Peak hold, Data hold and Min/Max hold Easy-to-read backlit LCD display Tripod mount for long-term monitoring Low battery indicator and auto shut off The single AC output jack (3.5mm stereo mini-plug) provides analog signals to frequency analysers, level recorders, FFT analysers, graphic recorders, etc. Included Data Logging Sound Level Meter Windshield Ball Soft Carrying Case Batteries