Type J Immersion and General Purpose Thermometer Probe

Type J Immersion and General Purpose Thermometer Probe

Marsoni

M251S

$47.30

Get it in 3 business days with 1 day shipping. Friday, May 29

Type J Immersion and General Purpose Thermometer ProbeThe primary difference between Type J and Type K thermocouples is the measuring range, and the sensitivity. Type K is the most common general purpose thermocouple with a sensitivity of approximately 41 V C. A wide variety of probes are available in its 50C to +900C 58F to +1652F range. Type K wire color standard is yellow (+) and red ( ). Type J has a more restricted range of 50 to +400C, but higher sensitivity of about 50 V C. Type J wire color

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We offer a 30-day return/exchange service after receiving.
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These are not really “industrial strength” but they work great and are decent quality, especially for the price. I bought them to use on a sheet metal barn and they hold halters, rakes and other supplies with ease. Out of curiosity I did toss a dewalt drill in one and it held even though I ordered the medium size and the drill didn’t fit super well.

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Reviewed in the United States on August 6, 2025

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K. Nguyen

Natrona Heights, US

★★★★★ 5

Very useful tools or helmets hanger.

These are quite useful and hold anything that’s less than 10lb. I think it can hold heavier items but I think it’s best to keep it light and the magnet strong enough to make it very convenient to affix it to any metal cabinet or poles.

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Reviewed in the United States on August 7, 2025

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Julie Fleming

Louisville, US

★★★★★ 1

Magnet strength is weak AF

Item Package Quantity: 30, Color: Black

Magnet strength is absolutely terrible! I was hoping that they would be strong against my shipping container as the product suggests, but I put a item on it that barely weighs 10 lb and it started sliding down the wall. The magnets are not strong at all!

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Reviewed in the United States on May 6, 2026

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BGT 20000

Louisville, US

★★★★★ 5

Great Hooks!

Item Package Quantity: 10, Color: Red

Strong Magnets! Work Great! Well Built!

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Reviewed in the United States on November 7, 2025

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Tony T

Pawtucket, US

★★★★★ 3

Decent, but....

Item Package Quantity: 6, Color: Green

These magnets were decent, but not as strong as I hoped. They are good enough to hold a shovel or helmet, but anything over 10+ pounds did not work.

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Reviewed in the United States on August 16, 2025