Extech 407732 低/高量程声级计，35 -130 dB

Display Counts : 2000 count LCD   
Range: 
Low: 35 to 100dB
High: 65 to 130dB
Basic Accuracy:    ±1.5dB
Weighting (A & C):  Yes
Response Time (Fast/Slow):  Yes
Condenser Microphone: 12.7mm  
Dimensions:  210x55x32mm
Weight: 230g
Complete with microphone wind screen and 9V battery

Manual

Datasheets