SL4200 Digital Sound Noise Level Meter Instrument

Frequency range:125Hz to 8KHz
Measuring range:(30)32-130dB
Frequency Weighting:A/C
Microphone:1/2 inch electret condenser
Display:3 1/2 digits LCD display
Resolution:0.5dB
Sampling time:0.5 second
Time Weighting:FAST 125ms
SLOW 1 second
Measuring ranges:
Range 1:(30)32dB to 70 dB
Range 2:60dB to 100 dB
Range 3:90dB to 130 dB
Accuracy:±2dB(94dB@1kHz)
Dynamic range:40dB
MAX hold: "MAX"
Power supply: one 9V battery (model 6F22)
Operating environment:
Temperature: 0-40°C(32-104°F)
Relative humidity: ≤75%RH  

Our service

1.High quality guarantee.

2.Shipment with professional documents.

3.Packing as your request, with photo before shipment.

4.Reply within 48 hours and provide solution within 3 working days

4.Professional after-service from our engineers.

5.Warranty period 12 monthes.

Our advantages

Professional technology support.

Full experience of large numbers containers loading in Chinese sea port.

Fast shipment by reputed shipping line.

Best service after shipment with emails.

Best knowledge about Safety Testor and other related machine in USA/UK/INDIA/AUSTRALIA/CANADA/SOUTH AFRICA ETC

We are professional test equipment manufaturer in China with excellent experience and skills, also have best quality products 

Our concept

1.Client is first. We are trying to bring maximum profit to our clients and offer best quality products

2.Credibility is the most important.

3.Quality control is our life.

4.Great sense of responsibility.

We will not only supply products service to you but also help you solve any other problem what we can do  ,we can meet in this large world is our fate ,so we have been friends ,looking forward to meeting you !

Our factory