Equipment & Instruments

General Laboratory Supply makes it easy for you to find the best Equipment & Instruments from Eppendorf, Koehler, Oakton, Ohaus, Orion and Thermo Scientific. We offer a wide range of Equipment & Instruments for all your needs. Since 1978, General Laboratory Supply has been dedicated to providing the best quality Equipment & Instruments for our clients including the best Balances, Centrifuges, Ovens, pH Meters, Petroleum Testing Equipment and Water Baths available.

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Photo of Dwyer Model 460 Air Meter
A low-cost, direct reading instrument for a wide range of air velocity and static pressure tests. Two ranges, one on each side. A high range 1000-4000 ft./min. and a low range 260-1200 ft./min. Shows supply and return grille velocities, static pressure, furnace draft, pressure drop across air filters, duct air velocities, etc. Complete with air meter, return and supply grille probes, angle connector, cleaning materials, instruction card, air velocity calculator, carrying case and 3 extra plastic balls in plastic tube.
Photo of FloRite® MRF Air Velocity Meter
These air velocity meters are easy to use. Simply hold the FloRite® in the air stream or in an open area or against the face of a flat-surfaced register, so that air current is flowing directly into the instrument. No stop watch, curves or calculations of any kind are necessary. Instantaneous, direct readings of air velocity without timing or calculations. Scale lock holds readings until lock is released. Chart converts air velocity readings to cubic feet per minute without calculations.
Photo of Bituminous Penetrometer Needle
Penetrometer Needle for Bituminous materials. Standard hardened stainless steel needle, 40-45mm exposed needle length. Wt. 2.5g. ASTM D5; AASHTO T49, IP49; ASA Std., A37.1; Fed Spec. SS.R. 406C, Meth. 214.01.
Three-speed apparatus pulls briquets of bituminous materials apart at a uniform speed while immersing them in water. As many as three specimens at a time can be tested at speeds of 0.25, 1 or 5cm per minute. A synchronous direct motor drive unit maintains constant speed without vibration. Drive unit rides on a bronze lead screw mounted above the water level to prevent agitation of water and premature rupture of specimens. A traveling pointer indicates the position of the carriage against a linear centimeter scale on the trough. Elongation capacity is 150cm, with automatic carriage stop.
Photo of Constant Temperature Ductility Machine. Koehler
Similar to the standard Ductility Machine (A1383), but equipped with a solid state, thermostatically controlled bath and circulator to control temperature within ± 0.9°F (±0.5°C) in the range of 35-90°F (1.7-32.2°C). Circulated water is directed through stainless steel tubes beneath a false bottom in the trough to provide efficient heat transfer. Measures the distance of elongation of a bitumen sample when a briquet specimen is pulled apart at a specified speed and temperature. Supplied with three standard brass briquet molds and brass base plate.
Photo of Microprocessor-Based Digital Penetrometer. Koehler
A new microprocessor based penetrometer loaded with advanced features to provide ease of operation and highly reproducible consistency measurements of petroleum products. Microprocessor control provides a full range of measurement and reporting options, and operation is simplified by four user programmable presets that facilitate lowering the penetrator tip to the sample surface. The penetrometer defaults to the standard ASTM interval of 5.0 seconds, or the operator may conveniently program a different interval in the range between 0.1 and 9999.9 seconds (in 0.1 second increments).
Photo of Manual Penetrometer. Koehler
Designed for ASTM penetration tests on petroleum products and for consistency tests on a wide range of food products, cosmetics, pastes and other solid to semisolid products. Precision machined and assembled to exacting specifications, and ruggedly constructed to insure long service life in both laboratory and field applications. Features a full penetration range of 0-62.0mm with 1/10mm subdivisions (0-620 penetration scale). Accommodates cones and needles to perform all of the ASTM tests on lubricating greases, asphalts, petroleum waxes and petrolatums.
Photo of Softening Point Apparatus. Koehler
The sample is cast in shouldered rings and heated at a controlled rate under the weight of a steel ball. The softening point is the temperature at which the bitumen disks soften and sag downward a specified distance. Consists of 800mL beaker, 2 standard balls, shouldered rings, ball centering guides, ring holder, bottom plate and beaker cover with support rods. Order thermometer and heater separately. Conforms to the specifications of: ASTM D36, E28; AASHTO T53; IP 58, 198; NF T 66-008. Shipping Weight: 4 lbs (1.8kg).
Photo of Penetrometer Cones & Needles. Koehler
Precision machined cones and needles for ASTM and related methods. Use together with A1570 and A1573 series penetrometers to determine the consistency of petroleum products.
Constant temperature water bath for conditioning samples prior to a penetration test. Full visibility bath has a large shelf to accommodate a wide range of sample containers, including all containers used in ASTM tests. Sample containers can be left in the bath during the penetration test if required. The base of the Koehler manual penetrometer can be placed directly on the shelf of the bath, or the head assembly of the digital automatic model can be reversed to overhang the bath. Temperature Range: Ambient to 70°C.
Photo of Breaking Point Apparatus
Determines the breaking point of solid and semi-solid bitumens. A thin steel plaque is coated with the sample and flexed in a bending apparatus at descending temperatures until cracks appear in the sample coating. Consists of two concentric borosilicate glass tubes with movable steel plate holders. A cone-and-peg mechanism moves the inner tube up and down relative to the outer tube, which varies the distance between the plate holders, causing the stainless steel test plate to be flexed. The inner tube accommodates a test thermometer. Supplied with 12 spring stainless steel plaques.
Photo of Ninja HL-i Series Compact Scales. A&D
The Ninja HL-i Series are multi-functional compact scales with over 1,000 hours of battery life (4 Type AA Batteries included). Simple and easy to operate. Clear LCD display (0.53"). Rugged and reliable design with high impact plastic housing. Gives accurate reading over a wide temperature range and has a weight stability indicator. AC adapter is optional. 2 year warranty.
Photo of Dial Type Spring Scales. Ohaus
OHAUS® Dial Type Spring Scales are designed to deliver reproducible results time after time. These scales are perfect for general weighing, force experiments, action-reaction demonstrations, and much more. Graduations are viewable from any angle, always giving you an accurate reading and eliminating parallax. OHAUS’ superior spring quality assures repeatable operation and return to zero every time. (Sample Photo Shown. Individual models or products may differ from the image shown.)
Photo of Discovery Semi-Micro and Analytical Balances. Ohaus
The NEW Ohaus® Discovery combines unmatched weighing performance with Ohaus’ innovative SmarText™ software, making it extremely reliable and easy to use. The Discovery also features advanced AutoCal™ internal calibration making it the best performing balance in its class. SmarText™ is Ohaus’ easy to use balance software that utilizes text prompts to guide users through application use and balance setup.
Photo of Voyager® PRO Analytical Balances. Ohaus
When your applications demand more than a standard balance, the new Ohaus Voyager® PRO is up to the task. Voyager PRO's Advanced Applications simplify even the most complex laboratory measurements. Whether it's determining the difference between initial and residual weights or calculating the density of solids and liquids, Voyager PRO eliminates the need for time consuming manual calculations and data logging. Advanced in applications but not in operation. With Voyager PRO's dot matrix display and intuitive user interface, balance setup and use is effortless.
Accessories for AP Analytical Balances. (Sample Photo Shown. Individual models or products may differ from the image shown.)
Photo of TE Series Precision Balances. Sartorius
The performance specifications of the Sartorius Talent Series (TE) Precision balances set new accents in the class of compact and affordable laboratory balances. Whether you need to weigh in laboratories, vocational training facilities or classrooms, with a Sartorius Talent series balance you'll always have just the right equipment.
Photo of Series CP Precision Toploading Balances. Sartorius
The Sartorius Competence Series (CP) is the new basic series of balances for professional use in the laboratory. The CP sets completely new standards with its unique overall concept combining innovative design and highly advanced mechatronic technology. These precision balances offer high-value product solutions for laboratory weighing applications at an excellent price/performance ratio.
Photo of TE Series Analytical Balances. Sartorius
The performance specifications of the Sartorius Talent Series (TE) Analytical balances set new accents in the class of compact and affordable laboratory balances. Whether you need to weigh in laboratories, vocational training facilities or classrooms, with a Sartorius Talent series balance you'll always have just the right equipment.
Photo of ME Series Semi-Micro & Analytical Balances. Sartorius
The Sartorius ME is highly proficient at performing the core tasks of analytical weighing with incomparable speed, stable accuracy and reliability. Provides stable and reproducible readouts with an accuracy of five decimal places in just eight seconds. Three-part, motorized draft shield system; controlled by palm-activated keys or by custom programming. Excellent repeatability and stable weight readouts. Built-in software for all key weighing applications in the lab.