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Bright plastic case makes this hand tally counter lightweight yet sturdy. The counter advances by 1, up to 9999 each time the button is pressed. Turn the side knob to return the reading to zero. Use for counting bacterial colonies, vibrations of a pendulum, etc.
United Scientific™ SteriTrue™ PS sterile sampling scoops are unique designs developed with end-users! The polystyrene scoops are ergonomically designed for long periods of use, they can hold stated volumes*, and each scoop has a flat bottom surface for stability during weighing. The most...
This series of analog heating mantles includes a case constructed of durable stainless steel and aluminum materials. The temperature level is adjustable up to 400° C. Knitted mantle is made from glass fiber yarn and designed to securely hold round bottom flasks with the top half of the flask...
Manufactured with high-quality 304 Stainless Steel, United Scientific REUZ™ (“re-use”) Offset Spoon Spatulas include an offset spoon on one side and a spatula on the other side. Useful in laboratory settings where easily sterilized stainless steel is desired. Constructed of a single piece of...
This trundle wheel easily rolls along the ground to measure linear distance. A metered counter measures up to 99,999 meters, and the rubber wheel edge provides a steady grip when rolling over different surfaces. Telescoping handle can extend from 43 cm to 76 cm to provide comfortable operation for...
This high quality 27mm lens is mounted in a sturdy black plastic loupe. Available in either 6x or 10x.
Porous-bottom crucibles have a molded-in porous disc with stable porosity and consistent flow rate. Available with very fine (1.2 µm), fine (5 µm), and medium (15 µm) pore diameters. Glazed inside and out, except for outside bottom and rim. Autoclavable.
Solid glass stoppers with closed bottom and taper ground inner joint. These stoppers are used to close glassware items such as flasks, cylinders, funnels. Solid plug type With sealed bottom and vertical penny head With 24/40 inner joint Borosilicate 3.3 glass Conforms to ASTM E438 Type 1Class A...
This non-corrosive separatory funnel holder, molded in PP, has a front opening which provides clear view of the solution and allows unobstructed placement of separating funnels. Two tapered wedges are provided to ensure firm grip on rods measuring 1/2" or 3/8" diameter.
The set contains 6 glass lenses: one each of double convex, plano-convex, concavo-convex, double concave, plano-concave, and convexo-concave. Includes a reusable cardboard storage box.
Glass prepared microscope slides, supplied in a plastic case. A collection of slides specific to the study of plant anatomy. Set of 20. 1. Helianthus (sunflower), young 2. Prunus (cherry), leaf, TS and old root 3. Monocot, epidermis, E. for...
In the field, sifting through soil can be necessary. For small items, a sifter with very small openings may be required. This sifter has openings of 2 mm (2,000 microns), which is equivalent to US mesh 10. Large clogs of dirt should be broken up into smaller pieces before sifting. The built-in...
An ideal starter set for any laboratory, this set contains low form beakers, graduated cylinders, and Erlenmeyer flasks. Borosilicate glass is designed to give the best combination of thermal shock resistance and physical strength. Features heavy-duty rims and graduations in durable white enamel....
Durable introductory microscope is ideal for classroom or field use. The microscope body, viewing tube and stage are constructed of cast metal. Light-gathering lucite prism provides sub-stage illumination, without the need for electricity, by using ambient or room light. 40x magnification is...
Includes 1 each of 1, 5, 10, 50, 100, and 500 mg weights, and 2 each of 2, 20, and 200 mg weights. Rectangular plastic box with rider and forceps.
This attractive and economical Stirling Engine is both engaging and a great educational tool. It runs by exploiting the heat flow generated by the small temperature differences between room temperature and a container of hot water or ice. The Stirling Engine is an External Combustion Engine (the...
An economical, high quality bench set that is excellent value for introductory lens work. Features include: 74cm extruded aluminum bench with push-on plastic feet and large easy to read scale, three-position riders accommodate push-in stems of optical parts, pushing stem in locks rider in...
Quality linear gratings protected by two glass plates, 60mm x 45mm. Viewing area measures approximately 37mm x 20mm. The DFG525-pk/5 Diffraction Gratings in Slide Viewers has a viewing area of 35mm x 25mm.
Offering resistance to thermal shock and chemical corrosion, United Scientific Supplies presents the Porcelain Combustion Boats. These instruments are precision-engineered to hold and heat samples during combustion reactions in analytical chemistry processes. The high-quality porcelain material...
Organic Chemistry Glassware sets are available in a standard set of 9 and a deluxe set of 16 pieces. The Standard set is designed to cover essential requirements for organic chemistry and is suitable for preparations up to 30g. All glassware is jointed. Both sets come in a sturdy, form fitting case....
Polypropylene beakers are highly flexible; a gentle squeeze creates a spout anywhere on the rim. Beakers feature a large writing area and are graduated in both oz. and ml. Stacking the ribs prevents the beakers from sticking together. 120ml/4 oz capacity, Graduation intervals of 10ml/0.5 oz, 70mm...
These mini pipettes include a two step plunger that facilitates super blow out from the tip. Can be used for reverse pipetting and repetitive pipetting, fully autoclavable. Color coded plungers. Individually calibrated per DIN 12650
This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc, and...