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.…

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…

Similar in design to our Screw Compressor Clamps except that the compression adjustment screw has a 1" (25mm) diameter serrated head for greater leverage. The clamps are constructed from brass and plated for corrosion resistance.

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…

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…

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

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”.

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.…

The Single, Softening Point Apparatus Set supports the following standards: ASTM D36, E28, AASHTO T53 Ring and ball method softening point apparatus used for single determinations, asphalts, pitches, tars and most resins. Includes burner, beaker, support stand, 1 ring, wire gauze with ceramic…

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…

With a full 360° jaw rotation, this fully adjustable clamp is ideal for attaching to rods up to 3/4" (19mm) in diameter. The clamp has an aluminum muff with steel thumbscrew and phosphor bronze jaws. The maximum distance from the jaw to the muff is 4-3/8" (111mm) and the overall length is 5-1/2" (140mm).

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…

Forged Stainless Steel Jaws Accurately Aligned, Tapered and Corrugated for Gripping, 3/16"(5mm) Wire Size, 9"(229mm) Length.

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

Bowl Vol./Water (oz/cu. in.): 3.3 (6.1), Length: 5" (114mm), Width: 2-1/2" (63mm), Depth: 1" (25.4mm), Overall Length: 9" (228mm).

Flexible tube of rust-resistant steel covered with rubber and wrapped with braided cotton cloth. Slip-on ends for attachment to 9mm gas lines. 3 ft. long.

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…

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

This handy tool is used to sharpen borers from 3/16" to 15/16" (5mm to 24mm). The solid brass cone has a hinged steel blade in a slot; mounted in a hardwood handle.

Sand is specially graded natural silica sand to pass a No. 20 (850µ) sieve. Specific gravity is 2.65 Packed in 50 lb. (22.7kg) bags

This burner features a removable nozzle with perforated tip and orifice designed to aim a large, hot, pointed flame in a modified M.I.T. pattern with great accuracy. A universal ball joint positions the flame easily for working large pieces of hard glass. Separate needle valves with leak-proof…

The Humboldt, Small, Riffle-Type Sample Splitter supports the following standards: ASTM B215, ASTM C136, ASTM C702, ASTM C778, ASTM D421, ASTM D424, ASTM D457, ASTM D806, AASHTO T27, AASHTO T144, AASHTO T248 Humboldt, Riffle-type sample splitter can be used to divide or halve dry materials such…

Attaches to laboratory table tops up to 1-3/4" (45mm) thick. Cuts glass tubing up to 1-1/2" (38mm) diameter. Aluminum alloy casting with gray hammerloid finish. Hardened steel cutting wheel.

These Rod Clamps are otherwise known as the "muff" portion only and can be used to create custom clamps to satisfy a wide range clamping applications.

The Humboldt, Enclosed Model, Riffle-type Sample Splitter supports the following standards: ASTM C702, ASTM D410, ASTM D3013, ASTM D3176, ASTM D3180, AASHTO T248 Humboldt, enclosed model with drawer pans, Riffle-type sample splitter can be used to divide or halve dry materials such as cement,…

This highly stable jack can be adjusted to any height between 2-1/2" to 10" (64mm to 254mm). The jack will accept loads up to 10 lbs. (45.4 kg). The unit is constructed of aluminum top and bottom plates with a baked-enamel finish and plated steel cross members. Height adjustments are achieved by…

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…

Screw Compressor Clamp, Closed-Jaw C-Clamp with Side post for tubing insertion. Jaw Opening: 0-7/8" (0-23mm) Max Height, 1-1/8" (30mm) Max Width

Humboldt Aspirator Filter Pumps offer excellent performance for vacuum filtrations under both high and low water pressure conditions. The pumps feature a ball-type, positive-action valve in the suction tube which prevents water backflow if the pressure is reduced.

Flat-bottom, straight-side seamless aluminium box has tight fitting cover, which fits bottom of box as well. Protects sample from exposure during storage and weighing operations. Sold individually.