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⚡ Spark curiosity, charge your classroom with clarity!
The Eisco Labs Demonstration Electroscope is a precision instrument designed to detect and measure static electric charges through a large 5.9" conductor sphere and needle deflection. Its compact, durable design requires no batteries, making it ideal for hands-on physics and chemistry education, helping students grasp electrostatic principles with clear, visual feedback.
| ASIN | B00COQGMKU |
| ASIN | B00COQGMKU |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #269,880 in Toys ( See Top 100 in Toys ) #3,606 in Educational Science Kits |
| Color | Metallic Gray |
| Customer Reviews | 4.4 4.4 out of 5 stars (27) |
| Customer reviews | 4.4 4.4 out of 5 stars (27) |
| Date First Available | 6 September 2014 |
| Date First Available | 6 September 2014 |
| Item Package Quantity | 1 |
| Item Weight | 358 g |
| Item model number | PH0917A |
| Item model number | PH0917A |
| Manufacturer | Eisco |
| Manufacturer | Eisco |
| Material | PLA_(Polylactic_Acid), ABS_(Acrylonitrile_Butadiene_Styrene), PE_(Polyethylene) |
| Part number | PH0917A |
| Product Dimensions | 16 x 11.94 x 26.92 cm; 358.34 g |
| Product Dimensions | 16 x 11.94 x 26.92 cm; 358.34 g |
| Style | Modern |
J**E
Works well. Great for experiments.
V**E
Very useful for understanding and experimenting with electric charge and the photelectric effect.
E**Y
Not the best, but not awful. Good visual for students when it's working properly.
M**Y
If you've only ever used the foil-type electroscopes (the kind that usually come in a chemistry flask), you have no idea how great these can be. The solid needle does what it's supposed to do every time. Perfect for demos on charging by conduction, polarization, and induction, and it's big enough that my kids can see it at the front of the class. The price is hard to beat as well. Similar products in educational supply catalogues go for at least twice as much. If you're looking at this vs. the ones that are totally enclosed with glass, stick with this one.
M**T
I can charge it the normal way with rods and cloth but it seems it should beable to charge with a power supply but I get 0V across the device. I probably have to sand it or something but instructions would be nice. I hear that they only give instructions to teachers which is absurd.
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منذ شهرين
منذ شهرين