Tùy Chỉnh Hỗ Trợ
OEM, ODM, OBM, Phần Mềm Reengineering
Nơi xuất xứ
Guangdong, China
Product name
Decibel detector noise meter environmental volume tester
Power supply
3 * 1.5V AA Batteries (not included)
Frequency response
315Hz~8KHz
Measurement range
30~130dB
Frequency weighted characteristics
A sound level frequency control
Operating temperature/humidity
0~40°C/10~90%RH