Product Description                                                                                                   

 Model BND-SL4200 Room Noise DB detector

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.

7.Still Fear the risks of shopping online ?

Bonad has joined in Trade Assurace Plan"", which is guaranteed by . If  we fail to ship your products on time or the product quality does not meet the standards set in your contract, will refund the covered amount of your payment.

√ 100% Product quality protection

√ 100% On-time shipment protection

√ 100% Payment protection

About Us                                                                                                                         

Why Bonad  

We have specialized in lab and testing equipment for years.We are experienced  and  professional.We are proud of our products and service!

Excellent products performance

•Products Design and Development

Our tech team have more than 15 years of experience in lab equipment, which enable our products become reliable. A new products have to be tested for thousand times to ensure its environmental adaptation , easy application, stable operation

•Perfect Products Quality Control System

Pre-production quality control

Row materials is provided by quality suppliers and some of  parts  are imported  from Germany, USA and Japan, which ensure the good quality at the source. Meanwhile, we will test the materials and parts before mass production.

Mid-production quality control

Our QC team will work through the whole production process.

Acceptance test

Each instruments must be carried out 100% quality examination before the shipment.

Best  Service

The staff at Bonad is committed to providing you with most appropriate solution to save your time and money . We not only make products, but also sell products. Bonad owns its factories and provides with all kinds of OEM/ODM services. More than this, Bonad knows the market and customer requirements. We not only sell products, but also serve customers and solve problems so we have established long term cooperation with our customers. That’s why we stand behind our results. If you need any help, just remember we are here to listen and help!

Who we serve

The markets our clients serve include: information technology, medical, RF/wireless, telecommunications, industrial, consumer and manufacturing, universities, academies and institutes. Our products are popular all over the world. Our customers are from USA, Russia, Japan, Indonesia, Brazil, South Africa, Korea, Malaysia, Australia , UK, Italy, etc.

What we produce and Sell

We have focused on lab and testing equipment for many years. Our main categories

include;

•Refrigerator test pack

•IP Code Waterproof/Rain Test equipment

•Environmental chamber

•Tensile testing equipment

•IEC&UL standard accessibility test probes

•Safety testing equipment

•Impact Hammer

•load cell sensor

•Test Gauges

•Measurement & Analysis test meters

•To be developed ( leave a message and write down what you need!)