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EXTECH 407766-NIST Sound Level Calibrator, 94 dB/114 dB Output, ±0.5 dB Accuracy - Sound Level Calibrators
EXTECHSound Level Calibrators

EXTECH 407766-NIST Sound Level Calibrator, 94 dB/114 dB Output, ±0.5 dB Accuracy

The EXTECH Sound Level Calibrator (MPN 407766-NIST) is a sound level calibrator from Extech that provides 94 dB and 114 dB output sound pressure levels. It features a frequency accuracy of 5%, output sound accuracy…

SKU 3G-OTH-175954

Also listed as: 407766NIST · 407766 NIST

Brand
EXTECH
Item
407766-NIST Sound Level Calibrator, 94 dB/114 dB Output, ±0.5 dB Accuracy
Part Number
407766-NIST
Category
Sound Level Calibrators
Available to Order
Also known as:407766-NISTEXTECH
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EXTECH
Manufacturer Part Number
407766-NIST
Type
94 dB_114 dB Output Sound Pressure
Distortion
Less Than 2%
Freq Accuracy
5%
Frequency Accuracy
5%
Compatible with Brand
Extech
Output Sound Accuracy
±0.5dB
Calibration Certificate
Included

Technical Documents

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EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH Sound Level Calibrator (MPN 407766-NIST) is a sound level calibrator from Extech that provides 94 dB and 114 dB output sound pressure levels. It features a frequency accuracy of 5%, output sound accuracy of ±0.5 dB, and distortion of less than 2%. A calibration certificate is included with this unit.

Frequently Asked Questions

What is the EXTECH Sound Level Calibrator used for?

The EXTECH Sound Level Calibrator (MPN 407766-NIST) is used to verify and calibrate sound level meters in industrial, HVAC, and environmental noise monitoring applications. It provides stable 94 dB and 114 dB output sound pressure levels for accurate field or lab calibration.

What are the specifications of the EXTECH Sound Level Calibrator?

The EXTECH Sound Level Calibrator offers 94 dB and 114 dB output sound pressure levels with ±0.5 dB accuracy. Frequency accuracy is 5%, distortion is less than 2%, and it includes a calibration certificate. It is compatible with Extech brand sound level meters.

Where to buy the EXTECH Sound Level Calibrator worldwide?

You can source the EXTECH Sound Level Calibrator (MPN 407766-NIST) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to use the EXTECH Sound Level Calibrator for calibration?

To calibrate a sound level meter, insert the meter's microphone into the calibrator cavity, select 94 dB or 114 dB output, and adjust the meter reading to match the calibrator's output. Ensure the calibrator is at room temperature and the battery is fresh for accurate results.

Used in

Common applications for EXTECH
Electrical maintenance — EXTECH VT30 voltage and continuity tester for verifying AC/DC circuits up to 690 V.
Industrial inspection — EXTECH HDV700 Series borescope with articulating camera probe for visual checks inside pipes and ducts.
HVAC troubleshooting — EXTECH EX505A-K digital multimeter kit for measuring voltage, current, and resistance in rooftop units.
Water treatment — EXTECH pH 4.00 and pH 7.00 buffers for calibrating pH meters used in process water monitoring.
Plumbing diagnostics — EXTECH HDV7C-P28-30 plumbing camera probe with 98 3/8 ft shaft for inspecting long runs of pipe.
Laboratory calibration — EXTECH pH buffer tablets (PH7-P) for preparing fresh calibration solutions in lab environments.
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EXTECH Products

3G Electric supplies EXTECH sound level calibrators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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