First off it's advertised as a minimum of 30dB but if you read the manual it clearly says 40dB to 130dB. This meter reads 60 dB in a dead quiet room. When you turn on the backlight, the reading drops by 20 dB. Regardless of the reading, the backlight goes out as soon as it is turned on. Someone bought 2 and put them side by side and they were off by 30dB when measuring the same thing. It's worse than toys.
π REED Instruments R8050 Sound Level Meter: Type 2, 30-100 & 60-130dB with +/-1.4 dB Accuracy
6 Review
π Professional Red/Black Digital Handheld Sound Level Meter - Automatically Metered with A and C Frequency Weighting for Musicians and Sound Audio Experts - Battery Operated (9V) - Pyle SPL25
5 Review
π Accurate Professional Sound Level Calibrator Decibel Meter with 94dB, 104dB, and 114dB Calibration Levels
3 Review
π VLIKE Digital Audio Decibel Meter: Sound Level Monitor, Noise Measurement 30-130 dB - MAX Data Hold, A/C Mode
8 Review
π Crescent EX6 2-in-1 Extendable Layout Tool - LSSP6: The Ultimate Precision Measuring Companion
3 Review
Swanson Tool S0101 7 Inch Square
7 Review
π² Johnson RAS-1B Johnny Square: Professional Aluminum Rafter Square, 7'', Silver - Top Quality with 1 Square
8 Review
π Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
8 Review