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NIST Traceable Certificate of Compliance - Heat Stress Meters (requires meter purchase)

Marsoni M251S
Sale price$40.00
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Get it in 3 business days with 1 day shipping. Friday, May 29
NIST Traceable Certificate of Compliance - Heat Stress Meters (requires meter purchase)Certificate of Compliance for new Sper Scientific Heat Stress Meters Meter will be tested in our in house lab to confirm that it meets or exceeds published specifications. All certifications are performed using instrumentation and standards that are traceable to the National Institute of Standards and Technology (NIST). Includes Complete Documentation: Each certified product comes with: Serial Number Certification Label Certification Testing Report
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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1042 reviews
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J
Verified Purchase
Jwick
Waukegan, US
★★★★★ 5
Good product
Works as should and shows correct voltage.. double checked with several multi meters. And has been running my 4000, watt amp for almost 6 months now with no problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 18, 2025
C
Verified Purchase
chris
Louisville, US
★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
C
Verified Purchase
Cliente de Amazon
Los Angeles, US
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 31, 2026
I
Verified Purchase
Ivan Santana
Whiting, US
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
V
Verified Purchase
Very slowly shipping 20 days to California
Draper, US
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025

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