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Shipping

We Ship to Worldwide, except China (Hong Kong), and we do not ship to APO/FPO.
Orders processed within 12-24 hours of payment verification.( On Sundayis our rest day).
Before buying, Please make sure your PayPal and eBay address is correct. If not, please correct it before payment.if you want me send the item to another address,please send me a message.
If you have not received your shipment within 40 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.
Many of our products have overseas warehouses, including Australian warehouses, American warehouses and

Payment

We accept only PayPal payment
All major credit cards are accepted through secure payment processor PayPal.(* If you use e-check on PayPal, delivery may take longer, as we will hold your order until your e-check clear)
Payment must be received within 7 business days of auction closing.
Please make sure your PayPal and eBay address is correct. If not, please correct it before payment. Thank you.
Custom duties, taxes, or charges are not included in the cost you pay to us.
Please check with your country's customs office to determine what these additional costs will be prior to bidding/ buying.

Return

If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back. Please contact me before you return it.
Defective items Must Be reported and returned to us within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your eBay ID.
Return shipping is to be paid by the Buyer.
We act as a responsible seller; we are willing to actively undertake the following responsibilities:
- The item is lost during transit;
- The item is damaged during transport;
- Due to our work errors, transporting the wrong items to the buyer;
- The item in the actual use of the process of quality problems.

Feedback

We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receiving it.
All email will be answered within One working day. If you do not receive our reply, please kindly re-sent your email and we will reply to you as soon as possible.
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately.
Before you give us neutral or negative Feedback, so that we can satisfactorily address your concerns.
Good communication can fix all problems, we always believe that as long as you are willing to communicate with us, we will give you a satisfactory answer.

About us

Welcome to my shop,We offer an extensive range of products selected by our professionals.superiority in details and quality is a high priority. We also have a high-standard team, qualified by authorized organizations to ensure products are of the highest quality.
As an internet seller, we collaborate with excellent international transport companies, and in Australia and the United States we have our own warehouses, offering the most convenient delivery service possible. On-time shipping and reliable quality control are key areas of importance in our shop.
We are increasingly expanding international markets based on high quality products, excellent service, reasonable prices and timely delivery. Please contact us at any time for more information.We work hard to make sure EVERY CUSTOMER 100% approvingly

SL4013 Separated noise meter - technical parameters
display	Word height 52*32mm. 5-digit LCD.
function	DB A/ DB C weighted network. Time weighted (fast/slow).
Measuring range	Read value locking. Memory (Max. The minimum).
resolution	Peak lock.AC voltage signal output.RS-232 signal output.
display	30 ~ 130 db. (db)
display	0.1 dB.
Frequency response	Word height 52*32mm. 5-digit LCD.
The microphone	DB A/ DB C weighted network. Time weighted (fast/slow).
Microphone size	Read value locking. Memory (Max. The minimum).
Frequency weighting	Peak lock.AC voltage signal output.RS-232 signal output.
Frequency weighting	31.5 ~ 8000 hz.
The time-weighted	Capacitive microphone.
Calibration standard source	Diameter.12.7mm.(0.5 in.). Standard size.
The output signal	A-weighted: simulates the human ear's auditory response to sound. Suitable for general environment/noise measurement.
The output signal	C-weighted: close to FLAT response. Suitable for measuring and checking mechanical noise.
The output terminals	FAST =200ms. SLOW =500ms.
Correction of VR	* FAST: Reaction time weighting that simulates human ear hearing.
Operating temperature/humidity	*Slow range: easy for users to obtain the average sound pressure of low frequency vibration.
Working power supply	B&K(Bruel & Kjaer) multi-function sound and pressure corrector. Model: 4226.
Work consumption	AC voltage output signal: the file output full scale AC 0.5 Vrms. 600 Ω output impedance.
Appearance of size	RS-232 signal output.
The weight of the	Terminal 1: RS-232 signal output. Terminal 2 AC voltage output. Size of terminal socket: 3.5mm in diameter. Headphone socket.
Appearance of size	Built-in external VR. Easy to adjust 94.0dB with small screwdriver.
Standard accessories	(32~122℉)/ Should be below 90%RH(relative humidity).
The choose and buy accessories	006P DC 9-volt battery.