United Scientific Supplies

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US$26.01

This is a pre-assembled DC Motor designed for students to learn about electromagnetic forces. The open structure resembles the diagram found in many textbooks. The polarity of the magnets can be reversed to change the direction of the rotation. The motor can also be used with a rheostat to observe the change of speed with the change of current.

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US$99.19

This set is an easy yet effective way to teach how AC and DC electricity is produced. Banana plugs can be inserted into the different connectors to change from AC to DC electricity. The unit has a clear base for easy demonstration of connections. Includes an activity guide. Dimensions: 10"x7"x9". Shipping weight 2.5 lb. AC/DC Generator Set.

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US$99.61
Contents: (2)Dropping Bottle, 30 ml, Barnes. (6)Dropping Pipettes, Plastic. (1)Beaker, Glass, 50 ml. (1)Beaker, Glass, 100 ml. (1)Beaker, Glass, 250 ml. (1)Evaporating Dish, Porcelain,70 mm dia. (6)Stirring Rods, Glass, 8”. (1)Erlenmeyer Flask, Glass, 125 ml. (1)Erlenmeyer Flask, Glass, 250 ml. (6)Test Tubes, Glass, 18 x 150 mm. (1)Cylinder, Plastic (PP), 10 ml. (1)Cylinder, Plastic (PP), 50 ml. (1)Cylinder, Plastic (PP), 100 ml. (1)Forceps, stainless, 5” long. (1)Crucible tongs, steel, 9” long. (1)Funnel, Glass, long stem, 90mm dia. (1)Funnel, Plastic, 75 mm dia. (1)Test Tube Clamp, brass, with finger grips. (1)Wire Gauze, 5” x 5”, with ceramic center. (1)Crucible, Porcelain, 25 ml with lid. (1)Watch Glass, 75 mm dia. (1)Plastic Scoop. (1)Spatula, stainless, 3” long blade with wooden handle. (3)Rubber Stoppers, solid. (3)Rubber Stoppers, one-hole. (3)Rubber Stoppers, two-hole.

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US$90.64
Contents: (1)Beaker Tong. (1)Burette Clamp. (1)Burner Tripod. (1)Clamp, Pinchcock. (1)Clamp Holder, Right Angle. (1)Clay Pipe Triangle. (1)Crucible Tong. (1)Ring Support with Clamp, 4”. (1)Ring Stand (5" x 8" base). (1)Test Tube Rack, holds 6 tubes. (1)Test Tube Tong. (1)Wire Gauze, 5x5".
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US$2.69
Operates on 1.5V or 3V DC. Speed: 7000-11000 RPM. Motor is 40 MM long x 20Mm in diameter. Shaft size: 2 MM diameter x 8 MM long.
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US$1.09
These 4.5” long plastic forceps feature serrated inside tips and ribbed finger supports.
Delivery within 2-3 weeks
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US$434.62
These new Bottle Top Dispensers are priced significantly better than virtually anything of its type. The dispensers feature a 30mm thread and come complete with five additional adapters (sizes 28mm, 32mm, 36mm, 40mm and 45mm) allowing customers to use them right out of the box. They are fully autoclavable and work with most laboratory bottles.
Delivery within 2-3 weeks
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US$439.45
These new Bottle Top Dispensers are priced significantly better than virtually anything of its type. The dispensers feature a 30mm thread and come complete with five additional adapters (sizes 28mm, 32mm, 36mm, 40mm and 45mm) allowing customers to use them right out of the box. They are fully autoclavable and work with most laboratory bottles. The accuracy of these dispensers is exceptional and offers the best value in the industry.
Delivery within 2-3 weeks
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US$27.25
It is an ideal way to demonstrate the transformation of energy between the mechanical and electrical forms in either direction. The unit produces a terminal voltage of 6.3V and a maximum current output of 0.2A. The generator is supplies with two 15" leads.
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US$36.88
Students can build a bar-shaped and a U-shaped electromagnet which they power with a 6V battery (not included) or DC power supply (not included), to determine the magnitude and polarity of electromagnetic forces.
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US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
Delivery within 2-3 weeks
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Add to wish list

US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
In stock
+
Add to wish list

US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
In stock
+
Add to wish list

US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
Delivery within 2-3 weeks
+
Add to wish list

US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
In stock
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Add to wish list
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