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.

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
	1. 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
	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)