Db Sound Meter Noise Detector for School Hospital
Application:
Digital Noise Detector BND-SL4200 is perfect for measuring noise levels in factories, offices, theaters, airport, residential area, school, hospital and so on.
Specifications:
• Measuring range:(30)32-130dB
Range 1:(30)32dB to 70 dB
Range 2:60dB to 100 dB
Range 3:90dB to 130 dB
• Frequency range:125Hz to 8KHz
• Frequency Weighting:A/C
• Microphone:1/2 inch electret condenser microphone
• Digital Display:4 digits
• Display Update: 2times/sec
• Resolution:0.5dB
• Accuracy:±2dB(reference conditions 94dB@1kHz)
• Dynamic range:40dB
• MAX hold: "MAX"
• Power supply: one 9V battery (model 6F22)
• Dimensions: 185X65X35mm
• Time Weighting:
Fast 125ms
Slow 1 second
• Operating Environment: 0-40°C(32-104°F) , 10-75%RH
• Storage Environment: -10 - 50°C(14-122°F), 10-80%RH
Product Show
Packaging & Delivery :
Packaging : Aluminum box +Carton box
Delivery : Within3~ 7days after receiving your payment.
FAQ :
1.What's your MOQ?
MOQ for most of our products is 1 unit. If you purchase more products, you will get a better price accordingly.
2.Do you have an OEM/OED service?
Yes! Please contact us for details.
3.What's the lead time?
It depends on the product and the qty.
If it is in stock, 3~7 days will be taken. Normally, 1~2 weeks for most products. 4~7 or more weeks will be needed for complex ones.Please contact us to confirm.
4.What's the payment term?
T/T, Western Union, Money gram ,PayPal ,etc .
5.What's the shipping way?
Via air , sea or express like DHL, UPC, TNT, FedEx and so on.
6.What's your after-sales service policy?
One year warranty and life long tech support.
Remarks:
If you want a timely reply, try to contact us within our working hours.
If we are not online, try to leave a message. We will respond as soon as we can.
If there is an urgent matter, try to contact us via mobile /skype/whatsapp.
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