Smartsensor AR844 噪音计（30~130 dBA; 35~130 dBC;±1,5dB）
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制造商: SMARTSENSOR Model: AR844 来源: China 保障: 12 month -
Price (exclude tax) 2,209,000 VND Price (include tax) 2,429,900 VND
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Manufacturer: Smartsensor
Model: AR844
Origin: China
Warranty: 12 months
Microphone: 1/2 inch Condenser Microphone
Measuring Range :30~130 dBA; 35~130 dBC
Accuracy: ±1.5dB
Frequency Weighting: A & C
Frequency Range: 31.5Hz~8.5KHz
Level Range Bar Graph: √
Range Selection: 4 modes
Range Over Indication: √
Battery Indication: √
Digit & Resolution: 4 digits & 0.1 dB
Time Weighting :Fast / SLow
Backlight Display: √
Max / Min Hold: √
Auto Power Off: √
Standard: IEC651 TYPE 2 ANSIS1.4 TYPE 2
External power supply: √
AC & DC Signal Output: √
Data Storage: 4700 groups
Power 4*1.5V AA batteries
Product Net Weight 168g
Product Size 221*82*34mm
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Datasheet
