Brand : Tenmars
Model : TM-103
Test ranges : 30~130dB.
LO : 30~80dB
MED : 50~100dB
HI : 80~130dB
Accuracy : +/- 1.5dB(ref 94dB @1KHz)
Resolution : 0.1dB
Microphone :1/2 inch Electret condenser microphone
Frequency Weighting : A, C
Time Weighting : FAST,SLOW
Memory : 14,000 records
Frequency Range : 30Hz~8KHz