Decibel Meter, Decibel Meter Sound Level Reader, Hand?Held Portable Digital Sound Level Meter, Decibel Noise Tester, Measuring Instrument-HT622A-

Specification: Condition: 100% Brand New Item Type: Sound Level Meter Material: Plastic Model: HT622 Type: HT622A, HT622B (Optional) Battery: 3 x AAA Battery (Battery Not Included) Product Size: Approx. 189x60x33mm / 7.4x2.4x1.3in Type (Optional) Sound Pressure Accuracy HT622A:±1.5dB (standard sound pressure, 94dB at 1KHz), ± 5dB (standard sound pressure, 94dB at 8KHz) HT622B:±1.5dB (standard sound pressure, 94dB at 1KHz), ± 5dB (standard sound pressure, 94dB at 8KHz) Sound Pressure Frequency Response HT622A:30Hz-8KHz HT622B:30Hz-8KHz Sound Pressure Dynamic Range HT622A:50dB (each measurement gear) HT622B:50dB (each measurement gear) Sound Pressure Measurement Range HT622A:30-130dBA, 35-130dBC HT622B:30-130dBA Sound Pressure Frequency Weighted Characteristics HT622A:A weighted HT622B:A and C weighted Sound Pressure Dynamic Characteristics HT622A:FATS 125ms, SLOW 1sec HT622B:FATS 125ms, SLOW 1sec Microphone HT622A:Polarized condenser microphone HT622B:Polarized condenser microphone Measuring Range HT622A:30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130dB HT622B:30-130dB Package List: 1 x Sound Level Meter (Battery Not Included) 1 x Storage Bag1 x Manual or 1 x Sound Level Meter (Battery Not Included) 1 x Storage Bag 1 x Manual 1 x CD 1 x Data Line Note: 1.Please allow 0?1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.