- ???, ???, China
- US $17.90
- Jan 29th
Description This equipment has been designed to meet the measurement requirement of Safety Engineers,Health,Industrial Safety offices and Sound Quality control in various environment,which include factory,office,traffic,family,and audio system. Measuring Range: 30 ~ 130dBA Accuracy: ±1.5dB Resolution: 0.1dB Frequency Range: 31.5HZ ~ 8.5KHZ Frequency Weighting: A Sampling Frequency: 2 times/sec Digital Display: 4 digits Microphone: 1/2" Electret Condenser microphone&nbs