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Total Immersion, Single Scale Range -20/110 degrees C, Scale: 1 Degree, 300mm Length Partial immersion is best for most applications. These thermometers are calibrated to read correctly when only 3" of the stem is immersed in the liquid being measured. Total immersion thermometers are calibrated for use when the entire liquid column is totally immersed in the substance being measured and should be used under those circumstances. All of our thermometers are made to SAMA specifications for ranges and accuracy. In addition, each of our thermometers has a number of extra quality features built into each one: REINFORCED BULBS, to prevent breakage, RING TOPS, for submersion, NON ROLL CAPS, SCALES PRINTED INTO THE GLASS, rather than on the surface so they never wear off.
Total Immersion, Single Scale Range -20/110 degrees C, Scale: 1 Degree, 300mm Length Partial immersion is best for most applications. These thermometers are calibrated to read correctly when only 3" of the stem is immersed in the liquid being measured. Total immersion thermometers are calibrated for use when the entire liquid column is totally immersed in the substance being measured and should be used under those circumstances. All of our thermometers are made to SAMA specifications for ranges and accuracy. In addition, each of our thermometers has a number of extra quality features built into each one: REINFORCED BULBS, to prevent breakage, RING TOPS, for submersion, NON ROLL CAPS, SCALES PRINTED INTO THE GLASS, rather than on the surface so they never wear off.
Total Immersion, Single Scale Range -20/150 degrees C, Scale: 1 Degree, 300mm Length Partial immersion is best for most applications. These thermometers are calibrated to read correctly when only 3" of the stem is immersed in the liquid being measured. Total immersion thermometers are calibrated for use when the entire liquid column is totally immersed in the substance being measured and should be used under those circumstances. All of our thermometers are made to SAMA specifications for ranges and accuracy. In addition, each of our thermometers has a number of extra quality features built into each one: REINFORCED BULBS, to prevent breakage, RING TOPS, for submersion, NON ROLL CAPS, SCALES PRINTED INTO THE GLASS, rather than on the surface so they never wear off.
Total Immersion, Single Scale Range -20/150 degrees C, Scale: 1 Degree, 300mm Length Partial immersion is best for most applications. These thermometers are calibrated to read correctly when only 3" of the stem is immersed in the liquid being measured. Total immersion thermometers are calibrated for use when the entire liquid column is totally immersed in the substance being measured and should be used under those circumstances. All of our thermometers are made to SAMA specifications for ranges and accuracy. In addition, each of our thermometers has a number of extra quality features built into each one: REINFORCED BULBS, to prevent breakage, RING TOPS, for submersion, NON ROLL CAPS, SCALES PRINTED INTO THE GLASS, rather than on the surface so they never wear off.
The thistle funnel may be used to add liquid into laboratory glassware among many other uses. Made from borosilicate glass.
Specificiations:
Funnel
Outside Diameter: 18mm
Inside Diameter: 16mm
Length: 1.33 Inch (37mm)
Stem
Outside Diameter: 6mm
Inside Diameter: 4mm
Length: 7 Inch (180mm)
Overall Length: 8.5 Inch (215mm)
The thistle funnel may be used to add liquid into laboratory glassware among many other uses. Made from borosilicate glass.
Specifications:
Funnel:
• Outside Diameter: 25mm
• Inside Diameter: 23mm
• Length: 1.8 Inch (46mm)
Stem:
• Outside Diameter: 7mm
• Inside Diameter: 4mm
• Length: 12 Inch (300mm)
Overall Length: 13.8 Inch (350mm)
The thistle funnel may be used to add liquid into laboratory glassware among many other uses. Made from borosilicate glass.
10" long, prongs covered with rubber tubing.
10" long, prongs covered with rubber tubing.
Tin Metal, lab grade, mossy - 100g.
Tin Metal, reagent, 20-300mesh, granular - 100g.
• Durable herringbone weave design
• Rubberized fabric-tire links
• Ideal for schools, industrial or factory entrances
• Easily rolled for cleaning
• Overall thickness: 5/8"
• Available in black only
• Available in 6 Sizes
This 17in x 25in interlocking linked mat utilizes fabric impregnated rubber secured with 12 gauge galvanized spring steel rods. Dirt falls between herringbone pattern for easy cleaning-simply roll up mat and sweep or hose the floor underneath. Overall thickness, 5/8" Available in black only. Available in six size. Ships UPS or FedEx Ground.
Titration allows students to apply scientific concepts to discover what a titration is, how it is performed and how to determine when it is complete. Students see how this technique is applied in a number of real-world settings and become actively engaged in an experiment by using a scientific approach to determine the amount of vitamin C in a number of foods. Viewers learn about proper safety procedures as they watch a group of high school students gather, organize and present their data. Part of the multivolume Science Lab Investigations! DVD Series. Includes a Teacher's Guide.
Consists of 6" slip joint pliers, 6.5" long nose pliers, 6" adjustable wrench, 3-piece offset screwdriver set, and a 6-in-1 screwdriver set featuring slotted bits, Phillips bits, and nut drivers. Shipping weight 1.75 lbs.
Consists of 6" slip joint pliers, 6.5" long nose pliers, 6" adjustable wrench, 3-piece offset screwdriver set, and a 6-in-1 screwdriver set featuring slotted bits, Phillips bits, and nut drivers. Shipping weight 1.75 lbs.
Study of the chemical composition of toothpastes. Students evaluate several toothpastes for percent of solids, pH, foam formation, abrasive action, specific substances. They use this data to make judgments about their effectiveness. Materials for 12 pairs of students. Grades 7-12.
From the highest mountains to the deepest chasms, Earth's terrain is comprised of varying levels and unique features. In Topography, students will learn how the features of Earth's surface are arranged while exploring the art and science of re-creating these terrains on maps. See how forces like earthquakes, volcanoes, water and wind have changed Earth's surface over countless centuries, and learn why studying these changes is important to learning about our planet's past and future. See how cartographers map the floor of the oceans, while an informative demonstration shows students how they can make a simple topographic map of their own. Part of the Earth Science in Action DVD Series. A Teacher's Guide is included and available online. 23 minutes. Grades 5 to 8.
Just attach a discarded plastic soda bottle to each end of the Tornado Tube, one with water, one empty. Stand the empty bottle on a flat surface, as the water begins to flow down from the full bottle, a vortex will descend from the top with an amazing similarity to a tornado. Bottles not included.
• The Best eye protection available.
• Passed ASTM F803-97 tests by Detroit Testing Labs.
• Made of shatterproof polycarbonate lenses.
• Has adjustable temples.
• Lens is made to perfection with no vision distortion.
• Specs retainer is included in pack.
The Best eye protection available. Passed ASTM F803-97 tests by Detroit Testing Labs. "Official" eyeguard of USRA. Made of shatterproof polycarbonate lenses. Has adjustable temples. Lens is made to perfection with no vision distortion. Specs retainer is included in pack.
• Message Displayed on Large Sheeted area 8.1” x 36”
• Stackable & durable made from UV stabilized HDPE material
• Easy set up and relocation
• Secures in place with recycled rubber base that slides over the top
• Designed to withstand impact
• Overall dimensions: 44.6"H x 8"D x 15"W
• 7 legend options
• Available with 15, 20 or 30 lb base.
Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.
Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.
Handy molded plastic magnifier has 2x,6x and 8x magnification lenses.
Steel base. Black enamel finish. Zinc plated, detachable rod. 5" Base
Steel base. Black enamel finish. Zinc plated, detachable rod. 5" Base
Steel base. Black enamel finish. Zinc plated, detachable rod. 4" base
This optional beaker stand is constructed of high-quality cast iron components with three chrome-plated legs. Supports beaker sizes of up to 1000mL while resisting corrosion and discoloration. Three locking grooves cast into the ring of the tripod. Triangle not included.
This optional beaker stand is constructed of high-quality cast iron components with three chrome-plated legs. Supports beaker sizes of up to 1000mL while resisting corrosion and discoloration. Three locking grooves cast into the ring of the tripod. Triangle not included.
Two optically ground 1" double convex polished lenses fitted into black plastic threaded lens mount. Screw-in metal tripod stand. Black finish. Magnifies approximately 10 times.
Two optically ground 1" double convex polished lenses fitted into black plastic threaded lens mount. Screw-in metal tripod stand. Black finish. Magnifies approximately 10 times.
• Helps to mark a safe distance between guests
• Allows a business to be in compliance with government social distancing guidelines
• High visibility fluorescent green
• UV Protect for indoor/outdoor use
• 34% more viewing space compared to 4-sided signs
Schools, retail and industrial facilities need portable signage to provide visibility and awareness related to current concerns. These 3 Sided Safety Sign cones are essential for keeping everyone safe and informed.
Made of brushed aluminum. Gives a fixed tone when struck. Key: C. Frequency: 512.
Made of brushed aluminum. Gives a fixed tone when struck. Key: C. Frequency: 512.
Comes with wooden box with foam lining. Each tuning fork has a specific place in the foam lining die-cut for easy storage. Each set also contains a mallet specially designed with one hard and one soft end, for use with all frequencies of forks. Tuning Fork set of 8. With mallet. In wooden box. Contains one each of 256, 288, 320, 341.3, 384, 426.6, 480, and 512
Comes with wooden box with foam lining. Each tuning fork has a specific place in the foam lining die-cut for easy storage. Each set also contains a mallet specially designed with one hard and one soft end, for use with all frequencies of forks. Tuning Fork set of 8. With mallet. In wooden box. Contains one each of 256, 288, 320, 341.3, 384, 426.6, 480, and 512
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