Digital sound level meter Measure 30-130dB Noise dB Decibel Monitoring Testers Metro Diagnostic-tool | Инструменты

Digital sound level meter Measure 30-130dB Noise dB Decibel Monitoring Testers Metro Diagnostic-tool |

Digital sound level meter Measure 30-130dB Noise dB Decibel meter Monitoring Testers Metro Diagnostic-tool Smart Sensor 

 1. All products with original packaging box, so that can protect the products well on the shipping way avoid damage.
 2. The product does not contain the battery because of the limitation of the airline company.
 3. Warranty: All units are with Retail box. and we offer Long warranty period of 2 years,in two years will repair for free.
 4. Shipping Way: if you need it faster, you can choose Aliexpress standard shipping,also have China post airmail ! 
 

                             AS804 Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft noise.
safety Engineers,Health,Industrial Safety offices and Sound Quality control in various environme.
 

Features:

1. Mini digital sound level meter with stable and reliable performance.
2. Wide measurement range from 30dB to 130dBA.
3. Fast and slow sampling rate for choice: 125ms or 1s.
4. Data hold function, maximum and minimum value measurement.
5. LCD display with backlight, convenient to use at night.
6. Low battery indication, automatic & manual power off function.
7. Compact and light, convenient to hold and carry.
8. Equipped with sponge ball for sensor protection.
 

Color:	White
Material:	ABS Plastic
Display:	5 digits LCD, Max Display 99999
Measuring Range:	30~130dBA
Resolution:	0.1dB
Accuracy:	1.5dB (under reference conditions)
Frequency Range:	31.5Hz to 8.5Hz
Frequency Weighting:	A Weighted
Over Range:	LCD Show Over
Time Weighting:	Fast
Sampling Rate:	2times/s
Operating Temperature:	0~40℃ (10%~80%RH)
Storage Temperature:	-10~60℃ (10%~70%RH)
Power Supply:	3 * 1.5V AAA Batteries (Not Included)
Item Size:	15 * 5 * 2.7cm / 5.91 * 1.97 * 1.06in
Item Weight:	72.6g / 2.56oz
Package Size:	22 * 15 * 3.2cm / 9.25 * 4.53 * 1.26in
Package Weight:	109.2g / 3.85oz
Diagram and LCD display
	① ON/OFF button   ② Max/Min button  ③ LCD back light button  ④ Hold Switch button  ⑤ LCD Display  ⑥ Calibration control  ⑦ Battery Door  ⑧ Electronic condenser Microphone
	① Measuring value.  ② Masurement Unit.  ③ Maximum value is held during measuring.  ④ Minimum value is held during measuring.  ⑤ Numerical locking button  ⑥ Backlight  ⑦ Battery Icon

The operating instructions      
 

1. Open the battery cover, input new 3 * AAA batteries,close the battery cover.

2. Press the power switch button [] boot.

3. Waiting for the LCD screen display is normal, can enter the test state.

4. If the amount of noise made the ma ximum can press the ''MODE'' button select the ''MAX'', and then read the maximum noise.

5. Backlight switch button '''' can open or close backlight.

6. When the battery symbol '''', for low electric instructions, please replace the battery.

7. Shutdown: 5 minutes without any operation automatic shutdown.