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2-Pt. Acoustical Calibrator - Class 2

Marsoni M251S
Sale price$187.00
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2-Pt. Acoustical Calibrator - Class 2For calibration of all Sper Scientific digital sound meters or any sound level meter with 1 or microphone. Conforms to ANSI S1. 40 1984 and IEC942 1988 Class 2 standards for acoustical calibrators. Simply place the calibrator on to the digital sound meters microphone, turn on the calibrator, and adjust the decibel meters reading to either 94 or 114 dB. Operates at a frequency of 1KHz 4% and with an accuracy of 0. 5 dB. Built in battery check. Easily
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
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Nicholas Kozik
Dallas, US
★★★★★ 5
plug
New and positive
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
B
Verified Purchase
BUTCH
Whiting, US
★★★★★ 5
its a spark plug whats to know...
champion spark plug delivered on time as advertised...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2025
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Good product
I've used champion plugs 65 years!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 6, 2024
C
Verified Purchase
Colleen Eubanks
New York, US
★★★★★ 5
Snapper mower
Right spark plug. Mower is a happy camper.
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Reviewed in the United States on June 26, 2024
R
Verified Purchase
Rileybowler
Louisville, US
★★★★★ 5
Good Plug
Purchased this from Amazon for convenience and it arrived quickly so I was satisfied. If I order the oil and filter for mower at the same time it saves me time and I have them delivered to my door for the mower tune up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 19, 2020

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