ND9B Digital Sound Level Calibrator 114DB 94DB For Microphone Noise Decibel

Description

Description
ND9B Digital Sound Level Calibrator 114DB 94DB Perfect For Microphone Noise Decibel Measurement
Description:
This Sound Level Calibrator is small in size, light in weight, easy to carry. Although complex and advanced, it is convenient to use and operate. Its ruggedness will allow many years of use if proper operating techniques are followed.
Features:
- Simple & Easy Operation
- Digital Display with Backlight, Clearly Shows the Chosen dB Level
- Lightweight and Small Size
- Removable 1/2" Transducer Cap, Suitable for 1" and 1/2" Microphone Size
- Conforms to IEC60942 (IEC942) Class 1 Standard
- Solid Design Provides Accurate and Reliable Performance
- Suitable for Personal, Field and Laboratory use
Specifications:
- Sound Pressure Level: 94dB & 114dB (Based on 20µPa)
- Accuracy: ±0.3dB
- The frequency of the output sound level is 1000+0.1% Hz, so it can be corrected on A, B, C, D or linear frequency weighting
- Standard: ICE942 Class 1
- Application: diameter 12.7mm (1/2") and diameter 23.77mm (1") microphone and acoustic measuring instrument calibration
- Operating Temperature: -10℃ to 50℃
- Storage Temperature: -40℃ to 65℃
- Temperature Coefficient: 0 to 0.01 dB/℃
- Altitude Effects: For every 60m/196.9ft of sea level rise, the sound pressure decreases by 0.1dB
- Size: 137 x 51 x 51mm
- Net Weight: approx. 200g
Operation Steps:
1. Press switch button, you will hear a 1000Hz sound, press 114dB or 94dB button to select decibel parameter;
2. Turn on the power switch of sound level meter to be calibrated;
3. Carefully put a microphone into the sound cavity of the calibrator, make sure that the microphone is flat and that the sealing rubber ring seals and supports the microphone well;
4. After the calibration is complete, carefully remove the microphone. At the same time, press the power button to turn off the calibrator.
Package Included:
- 1 x Set of Sound Level Calibrator
Note:
- It is powered by 2pcs 1.5V AAA batteries which are not included.
Payment Terms
1.We accept PayPal only.
2.All major credit cards are accepted through secure payment processor PayPal.
3.Payment must be received within 7 business days of auction closing.
4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
Shipping Terms
- For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding.
Return Terms
1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund.
2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA.
3. We reserve the right to refuse any returns for objective reasons.
Custom Duties & Taxes
1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility.
2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping.
Feedback
1. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers.
2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.
On Mar-17-21 at 00:17:24 PDT, seller added the following information: