- 
Lutron Sound Level Meter (SL-4012)
- Resolution 0,1 dB.
 - Frequency 31.5 to 8,000 Hz.
 - Accuracy (23 ± 5˚C).
 - Measurement Range 30 – 130 dB.
 
 - 
SMART SENSOR Sound Level Meter (AR824)
- Accuracy ±1.5dB.
 - Frequency range 31.5Hz to 8.5K Hz.
 - Linearity range 50dB.
 - Measuring Range 30~130dBA 35~135dBC.
 
 - 
SMART SENSOR Sound Level Meter (AS804)
- Measuring Leve 30~130 dBA
 - Frequency Range 31.5HZ~8.5KHZ.
 - Digit & Resolution 4 digits & 0.1dB.
 - Sampling Frequency 2 times / sec.
 
 - 
SMART SENSOR Sound Level Meter (AS824)
- Frequency Range 31.5HZ~8.5KHZ.
 - Digit & Resolution 4 digits & 0.1dB.
 - Sampling Frequency 2 times / sec.
 - Measuring Leve 30~130 dBA and 35~130 dBC.
 
 
