Digital Noise Decibel Meter Tester 30~130dB Range with CD Software & USB — Fast Response

Overview: Portable digital sound level meter for measuring environmental noise with fast response characteristics. Includes PC interface and CD software (supports WIN 8) for data handling and analysis. Key measurement functions: Lp, Leq, Lmax and LN. Parameters recorded: Lp, Leq, Lmax, LN. Measurement ranges and timing: - Lp: 30~130dB (A), 35~130dB (C), 35~130dB (F) - Leq: 30-130dB with selectable intervals (10s, 1m, 5m, 10m, 15m, 30m, 1h, 8h, 24h) - LN: 0-100% Accuracy and resolution: - Resolution: 0.1dB - Accuracy: ±1dB - Frequency range: 20.0 to 12,500Hz - Frequency weighting: A, C and F (Flat) Calibration, memory and timing: - Built-in calibration signal: 94dB at 1kHz (sinusoidal) - Memory capacity: 30 groups max - Time weighting: FAST 125mS, SLOW 1 sec Outputs and sensor: - DC output: 0~1.3V, 10mv/dB - Microphone: 0.5" Electret condenser microphone Display and alarms: - Display: 14mm (0.55") LCD Screen with backlight - Built-in battery condition indicator - Alarm: adjustable electronic alarm (settable 30-130dB) with LED indication and optional relay contact (NC) output Power, size and weight: - Power supply: 4x1.5v AAA (UM-4 battery) or External 6V DC 100mA (not included) - Power off: Manual or adjustable auto power off time - Size: 236 x 63 x26 mm - Weight: 137g (excluding batteries) What's included: - 1 x Professional Sound Level Meter - 1 x CD Software - 1 x Windscreen / Spon Ball - 1 x Shock Absorbent Carrying Case - 1 x Manual Related keywords: decibel meter, db meter, sound decibel meter, sound meter, sound level meter, spl meter, noise decibel reader, noise meter, noise detector, noise monitor, noise nuisance recorder, noise monitor for classroom.