School office digital sound level meter decibel tester
Specifications:
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
Auto Power Off
Low Battery Indication
Max Hold Function
Operating Condition
Temperature: 0~40°C (32 ~ 104 °F)
Humidity: 10~80%RH
Storage Condition
Temperature: -10~60°C (14 ~ 140 °F)
Humidity: 10~70%RH
Power Supply: 1 x 9V Battery (not included)
Dimension: 55 x 32 x 149mm