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Digital Sound level Noise Audio detector In Bangladesh

৳ 8,500.00

Availability: In Stock
Estimated Delivery:
24 June - 26 June
Description

SMART SENSOR AS824 Digital Sound Level Meter/sound pressure

Digital Sound level Noise Audio detector  All products with original packaging box, so that can protect the products well on the shipping way avoid damage.
Customs tax: don’t worry customs tax, we will declare lower value on bill and help customer avoid or reduce tax.

The product does not contain the battery because of the limitation of the airline company.
Warranty: All units are with Retail box. and we offer Long warranty period of 2 years, in two years will repair for free.
HTB16c2qPVXXXXX7XXXXq6xXFXXXF (1)
SMART SENSOR 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 environment.

 

Features Digital Sound level Noise Audio detector

1. This unit was designed according to the IEC651 TYPE2 & ANSI S1.4 type2 for sound level meters
2. Instantaneous sound measure function
3. Measurement range: 30-130decibel
4. With two equivalent weighted sound pressure levels. A and C
5. Fast & Slow dynamic characteristic modes
6. AC and DC signed output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.

level 30~130dB Noise meter 

 Brand Name: SMART SENSOR
 Color: White
 Material: ABS Plastic
 Digit & Resolution 5 digits & 0.1dB Display: 0.5 secretary
 Measuring Range: 30~130dBA 35~135dBC
 Accuracy ±1.5dB
 Frequency range: 31.5Hz to 8.5K Hz
 Linearity range: 50dB
 Frequency weighting: A, C
 Microphone 1/2 inch Condenser Microphone
 Standard According to IEC651 TYPE 2 & ANSIS1.4 TYPE 2
 Time Weighting Fast / Slows
 Bar graph: 50 dB scale at 1 dB step for monitoring
current sound pressure level display period: 50mS
 Level ranges: 30-80dB; 50-100dB; 60-110 dB; 80-130dB
 Over indicate over range: Under indicate less than lower limit for the range
 AC output: 0.707 Vims at FS output impendence approx. 600 ohm
 DC output: 10mV / dB output impedance approx. 100 ohm
 Max: Maximum hold / Auto Power Off V
 External power supply V
 Level Range Bar Graph V
 Range Selection 4 modes
 Range Over Indication / Battery Indication V
 Backlight Display /  Max & Min Hold Function V
 Sampling Frequency 2 times / sec
 Self calibration time: 10 secs(every turn on)
 Operating condition Temperature :0-40C ; Humidity: 10% to 80%RH
 Storage Condition Temperature: -10 to 60C ; Humidity: 10% to 70% RH
 Packing Information
 Power 9V battery or DC 9V 100mA
 Product Net Weight 150g
 Product Size 224*66*33mm
 Packing Gift box
 Standard Quantity Per Carton 24
 Standard Carton Size 45*38*55cm
 Standard Carton Gross Weight 16.42kg
 Packing Contents 1PC AS824 1pc user manual 1pc DC cable 1pc Gift box
Diagram and LCD display
AS824-21. Electret Condenser Microphone
2. LCD Display
3. Power Switch
4. Level range control switch: 30dB~80dB  50dB~100dB
60dB~110dB  80dB~130dB
5. Maximum value hold swatch. (MAX)
6. Frequency weighting select switch
A: A weighting for general sound level measurements.
C; C-weighting for checking the low frequency content of noise
7. Time weighting select switch
Fast: For normal measurements
Slow: For checking average level of fluctuating noise
8. AC output terminal: 0.707 Vims
Corresponding to each range step.
9. DC output terminal: output 10mV / dB
10. Calibration control
11. External DC 60V power supply terminal
12. Battery Door
13. Tripod mounting screw
14. Windscreen
AS824-3  LCD Display:
1. Level range
2. Instantaneous sound pressure level
3. Low battery mark.
4. Maximum value is held during measuring
5. Measure Value
6. Measure Unit
7. Frequency weighting A/C
8. Level range Bar graph
9. Rang over
10. Slow time weighting
11. Fast time weighting
12. Range under

 

Calibration Procedures: (Pls use a Standard Acoustic Calibrator)

  1. Make the setting: Display: SPL(dBA) Time/Weighting: Fast/Level range: 60~110dB /Measurement mode: MAX function disable
 2. Insert the microphone carefully into to the 1/2 inch hole of the Calibration
 3. Turn on the Calibrator and adjust the Pretention eter in side the battery compartment of the unit (shown in the diagram 1), The level of the units ( show in the diagram 1), The level display will indicate the desired level(94.0) our products are all  well calibrated before shipment  (Recommended recalibration cycle; 1 year )
Operation guide:
 1. Turn on power ( pls install battery first before power on)
 2. Select the desired response and weighting, also select desired rang.
 3. If weighting for general mosie sound level, pls select dBA.
  4. If the sound source consists of the short brusts of only catching sound peak, set response to FAST, to measuring average  sound level. use the slow setting
5. When MAX mode is chosen, The instrment captures and hold the maximum noise level.

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National Scientific Corporation

Address : House#10, Road#02, Sector#06, Uttara Model Town, Dhaka 1230, Bangladesh

Contract : 01776233191, 01611833865 E-mail : nscbd@hotmail.com Website: www.nscbd.com

 

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Digital Sound level Noise Audio detector In Bangladesh
৳ 8,500.00