Coefficient of Resistance of Copper Apparatus
SKU: 46651278954

Coefficient of Resistance of Copper Apparatus

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Description

Coefficient of Resistance of Copper ApparatusThe Coefficient of Resistance of Copper Apparatus is used for conducting experiments that accurately measure the temperature coefficient of resistance for copper wire to gain valuable insights into the electrical properties of copper and its behavior at various temperatures. The enameled copper wire is precisely wound onto a heat resistant resin tube and connected to larger cables under an insulated handle. Use an accurate ohm meter to measure the

The Coefficient of Resistance of Copper Apparatus is used for conducting experiments that accurately measure the temperature coefficient of resistance for copper wire to gain valuable insights into the electrical properties of copper and its behavior at various temperatures.

The enameled copper wire is precisely wound onto a heat-resistant resin tube and connected to larger cables under an insulated handle. Use an accurate ohm meter to measure the room temperature resistance of approximately 20 ohms. The winding element is coated with a specific varnish, but its delicate wire composition makes it susceptible to damage.

The apparatus can withstand submersion in both ice water and near-boiling water, while accurately monitoring the resistance.

Read Instruction Sheet

Product Code SE.EM3020-001
Length: 230mm
Diameter: 25mm
Weight: 0.12 kg

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SKU: 46651278954

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4.1 ★★★★★
Based on 492 reviews
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Verified Purchase
Carygonzalez
Lowell, US
★★★★★ 5
Exelente
Color: Silver
Exelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2026
D
Deal Seeker
Massapequa, US
★★★★★ 2
Great Espresso Machine for Beginners
Color: Silver
Update: Milk teamer doesn't deliver the foam like at the first couple of days, and the espresso doesn't come with the crema any longer. Somehow the pressure goes above the espresso range, and I tried to decrease the amount of coffee, and no results. I am so disappointed. First thing that impressed me about this little espresso machine is how easy it to use. You can make a double espresso shot in literarily 1 minute. Second thing is size, the machine is pretty compact that you can place it anywhere in the kitchen without worrying about taking too much space. Also, it heats up quick, and the options are straightforward. The water tank is just the perfect size, which is excellent for me, and I don't have to refill water constantly. Performance-wise, it feels solid and does an excellent job making shots like what you'd expect in a cafe. The water pressure is just right, delivering this espresso shot without the extra acidity. The flowmeter regulates the water evenly which is great in making that creamy espresso. Something else to note, it's small and also quiet, which is big to me since the last one was making unnecessary noise every time I make a shot. Now, the milk frother is pretty decent, and create that foam you'd love to see in your cappuccino and latte. Overall, this is a pretty decent choice, and feels durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025
K
Verified Purchase
Karen Raper
Grantham, US
★★★★★ 5
Make lattes at home now
Color: Rose Golden
Love this machine.
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Reviewed in the United States on January 11, 2026
M
Verified Purchase
Mike M
Louisville, US
★★★★★ 5
Nice upgrade 51mm for me
Color: Silver
This is my second 51mm machine. I never used the included handle or basket… I kept my existing HUGH IMS precision basket and bottomless portafilter. The temp and preinfusion are set and not adjustable but fine (reduced variables). I defeated the shut off by volume by setting higher than needed (wish that was easier to turn off). I like to manually shut off when I hit 30g on my scale. The machine will drip since there is not solenoid valve so I just pull the scale from the try when mouse tail breaks and drip starts. The steam wand and hot water dispenser is a massive upgrade (from Capresso EC50) and the real reason for my upgrade. I would have paid $50-100 more for the improvements listed… but I guess most people would not so this is about the best option for me with 51mm (keeping all the 51mm three lug portafilter stuff I own). 5 stars = for me and the price
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Reviewed in the United States on April 18, 2026
A
Verified Purchase
angelo gaz
Los Angeles, US
★★★★★ 5
Reliably makes a good cup of coffee!
Color: Rose Golden, Color: Rose Golden
This espresso machine is great. I wanted something simple and reliable and that’s exactly what it is. In fact, the espresso comes out with a nice creamy coffee froth on top and the flavor is excellent. I don’t normally write reviews, but I think this one is worth it and I want them to stay in business because I’ll probably be sending some of these out as gifts come next Christmas.
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Reviewed in the United States on April 1, 2026

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