Humboldt

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Humboldt

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  • Motorized, Economy Sieve Shaker

    Humboldt

    Economy Sieve Shaker, which complies with ASTM C136 Standards, the Humboldt Motorized Sieve Shaker can be used with 3", 5" and 8" sieves. 1/4 HP motor handles up to (10) 8" sieves, (12) 5" sieves and (16) 3" full-height sieves; and, (18) half-height 8" sieves. 1/4 HP motor, 115V, 60Hz with 30…

  • 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…

  • 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…

  • Stainless Steel Measures

    Humboldt

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

  • 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…

  • 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…

  • 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

  • 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…

  • 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.

  • 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…

  • Mortar & Pestle (Plattner's)

    Humboldt

    Hardened alloy tool steel, for crushing hard, brittle materials such as ores, minerals, etc. Mortar 76 mm diameter x 25 mm high Cavity 30 mm diameter x 9.5 mm deep, fitted with precisely machined, removable sleeve for holding crushed material in cavity Pestle 76 mm long x 25 mm…

  • Extra Long Tongs

    Humboldt

  • 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…

  • 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…

  • 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.

  • 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”.

  • Support Rings

    Humboldt

    Wire Models and Extension Rings Wire Models Formed, bright basic wire circle is welded to shank (except 2" size). Aluminum muff. Attaches to support rods up to 3/4" (19mm) in diameter. Extension Rings Shank of Extension Ring clamps to support rods with clamp holder.…

  • Screw Compressor Clamp, Swivel Lower 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…

  • 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.…

  • 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…

  • General Purpose Tirril Burners

    Humboldt

    These noiseless burners provide a clear flame of any desired height from 1/2" (12.7mm) to 12" (305mm), with separate control of both flame temperature and flame length. The burners incorporate threaded aluminum air control sleeves and precision machined, fine-pitch brass needle valves…

  • 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)

  • 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…

  • Large, Motorized, Economy Sieve Shaker

    Humboldt

    Economy Sieve Shaker, which complies with ASTM C136 Standards, the Humboldt Motorized Sieve Shaker can be used with 8", 10" and 12" sieves. 1/4 HP motor handles up to (11) 8" sieves, (7) 10" sieves and (7) 12" full-height sieves; and, (19) half-height 8" sieves, (13) half-height 12" sieves. 1/4 HP…

  • 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.

  • Forceps

    Humboldt

    With corrugated tips and spot-welded joint. Overall length is 5" (127mm). Available in Nickel-plated steel or Stainless Steel.

  • Grease Testing Penetration Needles

    Humboldt

    Grease-testing penetrometers; ASTM D217, D937. ASA Std. Z11.3.

  • Adjustable Burner with Adjustable Gas Valve & Flame Stabilizer

    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…

  • Single, Softening Point Apparatus Set, Electric

    Humboldt

    Ring and ball method softening point apparatus used for single determinations, asphalts, pitches, tars and most resins. Includes hotplate, beaker, support stand, 1 ring, wire gauze with ceramic center, thermometer clamp, 1 shouldered ring and stem with hardened steel ball. Meets ASTM D36, E28;…

  • 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

  • Beaker Handle Kit

    Humboldt

    Adjustable Band Clamp Kit for making a great carrying handle on beakers of all sizes.

  • Brass Deflagration Spoon

    Humboldt

    Capable of handling intense temperatures, this unit is the ideal instrument for dipping, with a 16" (406mm) long handle and 3/4" (19mm) bowl.

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