Humboldt

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  • Standard Burner with Air Regulator Only & Flame Stabilizer

    Humboldt

    Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11…

  • Screw Compressor Clamp, Closed Jaw (Hoffman)

    Humboldt

    Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and…

  • Hand Centrifuge

    Humboldt

    This hand-operated centrifuge is ideal for rapid settling of suspended solids from small quantities of liquid in analytical or clinical procedures at speeds up to 2000 RPM. The hand crank and steel worm with bronze spiral gear is set at a 15 to 1 ratio. The long-sweep crank is detachable and…

  • High-Temperature Burners

    Humboldt

    When an extremely hot flame is required, these Meker-type burners form uniform blue cones of intese heat with no backflashes. Onepiece, nickel-plated venturi tube. Die cast, zinc alloy, nickel plated octagonal base. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for…

  • Plated Steel Rods

    Humboldt

  • Cork Borer Sets with Handles, Plated Brass Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • Water Baths

    Humboldt

    The Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control for precise temperature control throughout the range. Similar to the H-1390 Waterbath, but does not include a magnetic circulator. It includes a stainless steel…

  • Screw Compressor Clamp, Standard Open-Jaw C-Clamp

    Humboldt

    Screw Compressor Clamp, Standard Open-Jaw C-Clamp without side post. Jaw Opening: 0-7/8" (0-23mm) Max Height, 1-1/8" (30mm) Max Width

  • Mortar & Pestle for Crushing Hard, Tough Substances

    Humboldt

    Made of hardened alloy tool steel. Pestle has ball-end to fit bottom of mortar cavity. Mortar: 3 x 3 x 4-1/2"H (76 x 76 x 114mm); bore: 2" dia x 3" deep (51 x 76mm). Pestle: 9-1/2" (241mm) overall length. Shipping. wt. 16 lbs. (7.3kg)

  • Rectangular Enameled Steel Support Bases And Rods

    Humboldt

    With heavy, rectangular base of plate steel, finished in hard enamel Zinc-plated steel rod is machined at lower end with U.S. National coarse thread 508 mm rod is 9.5 mm in diameter with 3/8-16 thread; 610 and 914 mm, 13 mm in diameter with 1/2-13 thread 8835B50 support is furnished…

  • Glass Tubing Cutter

    Humboldt

    Made of nickel-plated zinc alloy, with hardened steel cutting wheels Spring-loaded, to remain open until used For tubes up to 38 mm diameter

  • Cork Borer Sets with Handles, Plated Steel Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • Large Deluxe Water Baths

    Humboldt

    The Large Deluxe Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control same as H-1390, except volume is: 14 gallons (53L) and dimensions are 20" x 20" x 10" deep (508 x 508 x 254mm). Shipping wt. 74 lbs.…

  • Tirril Burner for Small-Scale Burning Test

    Humboldt

    The Tirril Burner for Small-Scale Burning Test (ASTM D5025) supports the following standards: ASTM D5025 Humboldt's Flame Test Burners are designed to be used as ignition sources for small-scale burning tests, such as the UL flame test and other similar test standards. Supplied complete with…

  • Screw Compressor Clamp, Swinging Jaw Clamp

    Humboldt

    These safe, simple and strong tubing clamps can be used on thin or heavy-wall tubing. Made of plated steel, the clamps incorporate a large aluminum knurled adjusting nut.

  • Penetrometers

    Humboldt

    Universal Penetrometers Direct-reading instrument for precision penetration measurements of bituminous materials, cement, petrolatum and waxes, as well as food, cosmetics and pharmaceutical products. Unit has 5" diameter indicator dial, graduated in 400 divisions of 0.1mm, corresponding to 40mm…

  • Stainless Steel Measures

    Humboldt

    Measures feature convenient handle and graduations in milliliters and ounces on inside of cup.

  • Burette Clamps

    Humboldt

    Two prong zinc-plated, stamped steel with aluminum alloy holder is adjustable by checknut to any angle Takes objects from 3/8” to 1 3/8” diameter. Fits rods up to 1/2” diameter. Length: 6 3/8”.

  • Nickel Evaporating Dishes

    Humboldt

    Heavy gauge nickel dishes have straight sides, flat bottom, and pour lip.

  • Mortar & Pestle

    Humboldt

    Meets U.S. Pharmacopeia XIX. Made from hardened tool steel in accordance with specifications for Powdered Glass Test. Mortar has a flat-bottomed cylindrical cavity. Mortar: 76.2mm. O.D. cavity: 50.8mm dia x 43.9mm deep; Pestle: 50.4mm dia, 108mm overall length, Shipping. wt.: 8 Lbs

  • Electrolytic Support

    Humboldt

    The "Hoffman Type" Electrolytic Support is used with associated glassware to demonstrate the electrolytic decomposition of water, hydrochloric acid, and other solutions. The unit consists of a cast iron base (H-21225) with insulated binding posts, support rod (H-21360), one burette clamp (H-8022),…

  • Aluminum Moisture Dish

    Humboldt

    Inverted slip-in cover with beaded edge for tight sealing, can be handled with crucible tongs. Inside dia at top 2-1/4" x 3/4" deep (57mm x 19mm). Drawn aluminum construction.

  • Screw Compressor Clamps: Open Jaw (Hoffman)

    Humboldt

    Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and…

  • Adjustable Micro-Bunsen Burner with Adjustable Gas Valve

    Humboldt

    Humboldt's Adjustable burners utilize the same high-quality die-cast bases as our Standard Burners, but provide a precision needle valve to achieve an accurate, adjustable flame. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch…

  • Standard Burner with Air Regulator Only

    Humboldt

    Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch…

  • Dish Tongs

    Humboldt

    Handles dishes and other articles from 3 to 4-3/4" (75-120mm), Stainless Steel, 9-1/2" (241mm length).

  • Crucible Tongs

    Humboldt

  • Ottawa Test Sand for Cube Molds

    Humboldt

    Sand is specially graded natural silica sand graded to retain 98% on a No. 100 (150µ) sieve, 75% on a No. 50 (300µ) 30% on a No. 40 (425µ) and 2% on a No. 30 (600µ). Specific gravity is 2.65 Packed in 50 lbs. (22.7kg) bags

  • Hand Tally Counter

    Humboldt

    Used to accurately and quickly count pendulum swings, bacteria colonies, drops from pipettes, alpha particles, etc. Tallies up to 9999 by one, quickly resets to zero. Mounted in round 2" (51mm) diameter chrome plated case with finger ring.

  • Stainless Steel Flat Nose Scoops

    Humboldt

    1196Y21 & 1196Y22: Bowl Vol./Water (oz/cu. in.): 6.6 (12.2), Length: 5-1/2" (139mm), Width: 3" (76mm), Depth: 1-1/2" (38mm), Overall Length: 9.3" (236mm). 1196Y23 & 1196Y24: Bowl Vol./Water (oz/cu. in.): 29 (53), Length: 8" (203), Width: 5-1/2" (139mm), Depth: 2-1/2" (63mm), Overall Length:…

  • Clamp Holders for Extension Rings

    Humboldt

  • Deluxe Water Baths

    Humboldt

    The Deluxe Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control for precise temperature control throughout the range. Includes magnetic circulator, ensuring constant water temperature, and, a stainless steel shelf, which…

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