SR5451 Sound level meter
Measuring range: 30~130 dBA
*Accuracy: ± 1.5 dB
*Digit & Resolution: 4digit & 0.1 dB
*Frequency response: 31.5Hz ~8.5kHz
*Frequency weighting characteristic: A
*Sampling rate: 2times/second
*Microphone: Polarization capacitance microphone
*Low battery indication
*Power: 9V battery
*Standard Quantity Per Carton: 60PCS
*Standard Carton Size: 48*47*40CM
*Standard Carton Gross Weight: 12kg
SR5450 Sound level meter
1. Max Hold and Data Hold Function
2. Level Range: Low=30-100dB, High=60-130dB
3. Accuracy: +1.5dB (ref 94dB @1kHz)
4. Frequency Range: 31.5Hz to 8k Hz
5. Frequency Weighting: A, C
6. Time Weighting: Fast, slow
7. Operation temperature: 0 to 40° C(32 to 104° F)
8. Operation humidity: 10 to 90%RH
9. Storage temperature: -10 to 60° C( 14 to 140 ° F)
10. Storage humidity: 10 to 75%RH
11. Auto power off
Packing: Blister card
SR5480 Sound level meter
1. Level Range LoA=35-100dB
2. Accuracy +3dB (ref 94dB @1kHz)
3. Frequency Range 31.5Hz to 8k Hz
4. Frequency Weighting A
5. Battery Type 9V battery
6. Operation Temp 0 ° C -40 ° C (<80% R. H. )
7. Storage Temp -10 ° C ~60 ° C (<70% R. H. )
8. Max Hold Function
Packing: Blister card
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