Digital Sound Noise Level Meter Decibel Audio Tester

SMART R AS834+ Digital Sound Level Meter/sound preure level 30~130dB Noise meter

1. Data storage function allows to store up to 15,000 groups of data.Connect with the computer through USB cable, which supports data record download, real-time sampling analysis, and graph & data printing. 2. Real time display the current temperature(℃/℉ switchable) and humidity. 3. 2.7" large LCD display for easy reading, convenient to use. 4. Wide measurement range from 30dB to 130dB, Frequency: 31.5Hz - 8KHz, 5. Resolution: 0.1dB, Accuracy: ±1.5dB. 5. With A and C equivalent weighted sound preure levels. 6. Fast and slow dynamic characteristic mode. 7. Both AC and PWM signal output are available. 8. Low battery indication, automatic & manual power off function. 9. Equipped with sponge ball and a sturdy storage case. Compact and light,convenient to hold and carry. 10. Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, busine, studies, industrial, etc.

Brand name

Smart r

Color

Yellow and black

Model number

AS844+

Calibration sound source

94dB@1KHz

Measurement range

30-130dBA/35-130dBC

Accuracy

± 1.5dB

Resolution

0.1dB

Dynamic range

50dB/100dB

Overload indication

OVER/UNDER

Frequency weighting characteristic

A and C

Digital display

31/2 digits

Analogy bar graph

1dB/1 bar graph

Sampling rate

20times/second

AC signal out

1 Vrms/full bar grph

Dynamic characteristic

FAST/SLOW

Data storage quantity

15000

The maximum value holding

MAX

Auto power off

(ar o operation for 10 minutes)

Microphone

1/2inch polarization capacitance

Operation volyage

3.7V Lithium battery/USDB 5V

Battery life

12hr(continue use)

Temperature measure range

0-45°C

Temperature accuracy

± 2°C

Humidity measure range

10-99%RH

Humidity accuracy

± 5%RH

Item size

225*66*31cm

Item weight

153g

Package size

260*215*60cm

Package weight

760g

LCD display

Color screen

Oversea Warehouse Service

Ruian Federation

IML Expre

Main City

About 7-15 Working Days

Remote Area

About 15-35 Working Days

Ukraine

IML Expre

Ukraine

About 3-10 Working Days

Spain

Spain Expre

Spain

About 1-7 Working Days

Dedicated Delivery Service Local Expre

Local Expre

Main Use Area

Estinate Delivery Time

Add

Aliexpre standard shipping

All over the world

About 15-30 Working Days

Best Choise

ePacket

All over the world

About 15-30 Working Days

Best Choise

China Post Air Mail

All over the World

About 15-30 Working Days

Best Choise

J-NET

All over the world

About 15-30 Working Days

Best Choise

All over the world

About 7-15 Working Days

Best Choise

1) We accept , , TT. All major credit cards are accepted through secure payment proceor ESCROW. 2) Payment must be made within of order. 3) If you can't checkout immediately ar auction close, please wait for a few minutes and retry Payments must be completed within

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your poeion more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned it MUST BE in the packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#. 3. We will YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its condition and packaging with all components and acceories included, AR BOTH Buyer and Seller cancel the transaction from aliexpre. OR, you may choose to have a replacement. 4.  We will bear all the shipping cost if the product(s) is (are) not as advertised.

1. 24 months Manufacturer`s limited Warranty for defective it (excluding it damaged and/or misused ar receipt). Acceories come with a 3-month warranty. 2. Defective it MUST BE reported and returned within the warranty period (and in the packaging, if poible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE IT WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on aliexpre!

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very ant We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily addre your concerns. It is impoible to addre iues if we do not know about them!

About shipping
Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days ar buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.