TASI TA652A Home Noise Tester Detection Volume Device 1. Measurement range: 30dB - 130dB 2. Measurement range: 30dB - 70dB, 60dB - 90dB, 80dB - 110dB, 100dB - 130dB 3. Accuracy: about 1.5dB (based on standard sound source, 94dB@1KHz) 4. Resolution: 0.1dB 5. Frequency weighting: TA652A: AC; TA652B: ACZ 6. Frequency response: 31.5Hz - 8.5KHz 7. Sampling rate: 2 times second 8. Analog bar: 1 scale represents 1dB 9. Noise display: 4 digits, up to 1999 10. Microphone: high sensitivity 12 inch condenser microphone 11. Automatic shutdown: 15min (can be manually shut down) 12. Operating environment: -10 - 50 degrees Celsius, within 80% relative humidity, indoor altitude less than 2000m 13. Storage environment: -10 - 50 degrees Celsius, within 70% relative humidity (remove the battery) 14. Power supply: 3 x 1.5V AA (LR06) batteries (not included) USB Micro interface 5V 15. Display size: approx. 5.3 x 4.4cm 16. Dimensions: about 22.9 x 7 x 3.5cm 17. Weight: approx. 215g Features: 1. Highly sensitive 12 inch condenser microphone with high accuracy, high sensitivity and instantaneous response 2. With ACZ three weighting mode measurement, can be connected to the frequency analyzer or X-Y axis recorder to do statistical analysis (Z frequency weighting only TA652B) 3. Data recording: the host can record and store 1999 sets of data; TA652B can export the data recorded by the host through the USB interface with the computer host software communication and generate charts 4. VA high-definition color screen display, display with background lighting 5. Upper limit alarm prompt: the upper limit alarm threshold can be set, when the measurement is higherlower than the set threshold, the buzzer will alarm prompt sound, and the alarm prompt light flashes 6. Battery (not included) USB interface two power supply modes, 15 minutes no operation after the automatic shutdown (can be manually canceled) Packing list: - Host x 1 - Cloth bag x 1 -