dB Sound Level Meter Noise Detector for School Hospital

Db SoundMeter Noise Detector for School Hospital
Application:
Digital Noise DetectorBND-SL4200is 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 1second
• Operating Environment:0-40°C(32-104°F) ,10-75%RH
• Storage Environment: -10 -50°C(14-122°F), 10-80%RHProduct Show
Packaging &DeliveryPackaging :Aluminum box +Carton box
Delivery :Within3~ 7days after receiving your payment.
FAQ1.What's your MOQ?
MOQ for most of our products is 1unit. If you purchase more products, you will get abetter 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/i.
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.Contact
Address
Shenzhen Bonad Instrument Co.,Ltd.
(Hong Kong Bonad Technology Limited)
A301 Hongdu Building ,
45 district, Baoan, Shenzhen City,
Guangdong Province 518100,ChinaContact PersonRiseTelephone#86-0755-27337191Fax#86-0755-23721200Mobile Phone#+86 18002516821Working Hours8:30~12:0013:30~18:00 (from Monday to Friday)
Remarks:
If you want atimely reply, try to contact us within our working hours.
If we are not online, try to leave amessage. We will respond as soon as we can.
If there is an urgent matter, try to contact us via mobile /skype/whatsapp.