Large Screen Wall-Mounted Noise Meter Decibel Detector, TA653A, TA654A Cable & Adapter the screw locking is more

the screw locking is more stable

Carton Size 52cm * 40cm * 37cm / 20

Carton Size 66cm * 55cm * 46cm / 25

One Package Size 50cm * 24cm * 10cm / 19

Press and hold the power button for 1 second

Large Screen Wall-Mounted Noise Meter Decibel Detector, TA653A, TA654A Cable & Adapter the screw locking is more1. Measurement range: 30dB 130dB 2. Accuracy: about 1. 5dB (based on standard sound source, 94dB@1KHz) 3. Resolution: 0. 1dB (less than 100dB); 1dB (more than 100dB) 4. Frequency response: 31. 5Hz 8. 5KHz 5. Sampling rate: 2 times second 6. Sensor type: 6mm condenser microphone sensor 7. Display mode: LED digital tube, single word 4 inches 8. Alarm output: 12V high level 9. Alarm prompt: sound + prompt 10. Operating environment: 0 40 degrees Celsius,