This equipemnt has been designed to meet the measurement requirement of safety engineers, health, industrial environment, which include factory, traffic, family baby’s living room, wind farms, sports stadium, airport, urban, city noises and audio system.
It is an advance environmental noise monitoring system, monitors environment noise from a singal station to a mutiple stations.
Specifications:
- Calibration sound source: 94dB@1KHz
- Measurement range: 30~130dBA、35~130dBC
- Accuracy: ±1.5dB（reference sound pressure standard，94dB@1KHz）
- Frequency response: 31.5Hz~8.5KHz
- Resolution: 0.1dB
- Measuring level: 30 to 80 , 50 to 100, 60 to 110,80 to 130, 30 to 130
- Dynamic range: 50dB/100dB
- Overload indication: OVER / UNDER
- Frequency weighting characteristic: A and C
- Digital display: 4 digits
- Analogy bar graph: 1dB/1 bar graph
- Sampling rate FAST: 8times/second;SLOW:2times/second
- AC signal output: 4Vrms/ full bar graph, output impedance is about 600 ohm
- PWM signal output: Duty cycle =0.01X db value/3.3 x 100%
- Dynamic characteristic: FAST(high speed)/SLOW(low speed)
- Calendar accuracy: ±30seconds/day
- Data storage quantity: 4700
- The maximum value holding: MAX
- Auto power off: 10 minutes without operation
- Micro phone: 1/2inch polarization capacitance microphone
- Power supply: 6V (4PCS 1.5V Alkline battery)
- Dimension: 70x35x256mm
- Weight: 244G (Without battery)
- Battery life: 20h continuous use(Alkaline batteries)
Fast Shipping and Professional Packing
We offer a broad range of shipping options owing to our long-running partnerships with UPS, FedEx and DHL. Our warehouse staff are expertly trained and will wrap your products according to our exact and precise specifications. Prior to shipping, your goods will be thoroughly inspected and secured. We deliver to thousands of customers each day across multiple countries. This is a sign of our determination to be the largest online retailer on the planet. The warehouses and centers for distribution are located in Europe and the USA.
Note: Orders that contain more than one item are assigned a processing period according to the item.
Before shipping, we will examine the items ordered thoroughly. Most orders are delivered within 48 hours. The delivery estimate is between 3-7 days.
Returns
Stock is dynamic. It's not completely managed by us, as we're involved with several parties such as the factory and our storage. This means that the actual stock could fluctuate at any moment. It's possible that your order could become unfulfilled after you place the order.
Our policy lasts for a period of 30 days. If you haven't received the product within 30 days, we are unable to offer the option of a refund or exchange.
Your item must be in its original packaging and in good condition. It must also not be used. It must also be returned in the original packaging.
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