-40%
Bruel & Kjaer 4231 Calibrator
$ 488.4
- Description
- Size Guide
Description
Features:Calibration of sound level meters and other sound measurement equipment
Conforms to EN/IEC 60942 (2003) Class LS and Class 1, and ANSI S1.40 – 1984
Robust, pocket-sized design with highly stable level and frequency
Calibration accuracy ± 0.2 dB
94 dB SPL, or 114 dB SPL for calibration in noisy environments
Extremely small influence of static pressure and temperature
Sound pressure independent of microphone equivalent volume
1 kHz calibration frequency for correct calibration level independent of weighting networks
Fits Brüel & Kjær 1" and 1/2" microphones (1/4" and 1/8" microphones with adapter)
Switches off automatically when removed from the microphone
A handy, portable sound source for calibration of sound level meters and other sound measurement equipment. The calibrator is very robust and stable, and conforms to EN/IEC 60942 Class LS and Class 1, and ANSI S1.40-1984.
For maximum confidence in your measurement results you can quickly compensate for local measurement conditions by calibrating before every measurement. Twin sound pressure levels guarantee definitive checks even in noisy environments, and ensure linearity in your microphones.
GUARANTEED QUALITY
Payment Terms
We accept payment prior to shipping
Domestic
:
Payment methods accepted:
PayPal - Preferred
Illinois buyers pay appropriate sales tax based on county (Please contact ValueTronics before making payment).
International
:
Payment methods accepted:
PayPal
All international buyers must request an invoice via email from ValueTronics to include shipping costs before finalizing purchase.
Return Policy
ValueTronics honors the buyer’s right of refusal for 14 days from receipt.
Buyer pays return shipping/packaging of all returns (Domestic and International).
Refund is credited to buyer’s account upon verification of unit’s condition.
Returns must be shipped with all original accessories. We will not accept any items with obvious signs of additional wear and tear or internal component alterations. All of our items will ship with “Warranty Void” tamper resistant stickers. If any stickers have been removed or tampered with your refund will be cancelled.
If you need to return your purchase please contact ValueTronics for a RMA.
Shipping & Handling
Domestic:
Varies by listing
(Includes Insurance)
All buyers in the continental United States pay a flat rate or determined rate for larger items. Contact us for freight charges where not listed. Insurance is mandatory and included on all shipments.Other shipping methods are available at the request and expense of the buyer.
International:
Buyer pays all shipping costs.
Buyer must request invoice that includes shipping costs before finalizing sale on eBay.
Shipping insurance is mandatory on all overseas orders.Your phone number is required for shipping purposes so please provide your phone number with all correspondence.
Estimated Delivery
: We can usually ship orders within 5 business days of payment receipt. If we can not meet this expectation you will be promptly notified. Many items can be shipped same day. Contact us for more information.
Shipping
: All items are professionally packed to arrive undamaged. If a purchase is received in damaged condition, you must immediately file a claim with the freight carrier and report the same to us. All packaging materials must be saved for inspection by the carrier representatives.
Feedback
We pride ourselves on exceptional customer service. With 28 years experience in the industry we proudly extend that expertise to our customers.We respond quickly to all comments and concerns with urgency and professionalism.
We ask that if you have any problems with your purchase, please try to resolve it with us directly before leaving us a
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or
Negative
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If you do leave us negative feedback before attempting to resolve the problem with us directly, we reserve the right to deem that as final resolution to that matter and will not accept a return or issue a refund.