Humboldt
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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
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Aspirator Filter Pumps
HumboldtHumboldt 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.
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Test Sand, ASTM 20-30
HumboldtSand 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
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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…
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Smooth Pipe Stem Triangles protect glassware on hotplates and over burner flames
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Sieve Brush, Fine Mesh
Humboldt1196Y26: Wooden handle and horsehair bristle. Bristle length is 2-1/2"x 1"x 3/8" (64mm x 25mm x 10mm) and overall dimension is 10-1/2" (267mm). 1196Y28: Wooden handle and horsehair bristle. Bristle length is 1-1/2" x 1-1/4" diam. (38mm x 32mm), and the overall dimension is 5-1/4" (133mm).
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Hand Centrifuge
HumboldtThis 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…
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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…
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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…
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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…
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Thermometer Clamps
HumboldtSimilar to the H-8950, this clamp has a phosphor-bronze spring clip attached to an aluminum rod-holding block for thermometers and 2 "v" notches designed to hold the H-1602 ring and stem assembly in an ASTM Softening Point Apparatus, but can be used to suspend other items, such as pitch cubes. The…
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Threaded Base Plates
HumboldtDesigned to attach to a tabletop or inverted into a recessed hole for flush mounting. Models are available with either a threaded hole completely through the center or with an unthreaded thru-hole. These die-cast units are supplied without rod. Other sizes are available on request with threaded or…
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Grease Testing Penetration Needles
HumboldtGrease-testing penetrometers; ASTM D217, D937. ASA Std. Z11.3.
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Humboldt Beaker Tongs
HumboldtThe Humboldt Mfg. Co beaker tong, extra long breaker tong and replacement ceramic sleeves are suitable for use in research facilities and chemical laboratories while conducting experiments. They are made of high quality material which ensures long lasting usage.
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Nickel Crucibles
HumboldtNickel crucibles constructed from pure heavy sheet nickel. They are suitable for fusions, including those with sodium peroxide, and are highly resistant to dilute alkalies. Flat-style nickel crucible covers with depression in center for centering on crucibles. Extension on one side for handle.
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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)
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Sieve Brush, Oval Shaped
HumboldtWooden handle and horsehair bristle. Bristle length is 2-3/4"x 1-1/8"x 3/4" (70mm x 29mm x 19mm), and the overall dimension is 10-1/2" (267mm).
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Pilot Flame Burner
HumboldtIdeal for intermittent use without frequent relighting. The burner features a sleeve-type air regulator and stopcock for gas control and an integral pilot light tube with screw for adjusting the pilot flame. Specifications: Gas type: Natural Inlet OD: 3/8" (10mm) CFH*: 5.3 …
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Small Riffle-Type Sample Splitters
HumboldtThe 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…
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Stainless Steel Round Nose Scoops
HumboldtBowl 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).
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Clamp and Support Rod
HumboldtHighly versatile, the rod height can be locked into any position by a simple thumbscrew located on the outer edge of the clamp. The clamp features a sturdy handle for tightening the unit on the edge of a table top up to 1-1/2" (38mm) thick. The plated, solid steel rod is 1/2" (13mm) in diameter by…
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Burner Gas Connector
HumboldtFlexible 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.
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Humboldt Clamp & Support Rod
HumboldtDesigned to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish.
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High-Temperature Adjustable Burner
HumboldtHigh temperature bunsen burner with adjustable control. Has fine-pitch threaded valve, 1-1/4 in. diameter and perforated monel and wire mesh heat intensifier. Die cast, zinc alloy, nickel plated octagonal base. For use with all gases. *Note: CFHs and BTU Outputs are figured on: 5 inch Water…
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Lincoln Type, Double Burette Clamp
HumboldtFitting on 5/8" (16mm) support rods or smaller, this stamped steel clamp is plated for corrosion resistance and has a steel thumbscrew. The clamp is 9" (229mm)long by 3" (76mm) wide with a center distance 7-1/4" (184mm) between burettes. The unit is designed for use with burettes from 6mm to 16mm…
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Sieve Brush, Coarse Mesh
HumboldtWire loop handle with wire bristles. Bristle length is 1-1/2"x 3/4"x 1/8" (38mm x 19mm x 3mm) and the overall dimension is 5-1/2" (140mm).
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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…
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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…
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Humboldt Clamp & Support Rod
HumboldtDesigned to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish.
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Humboldt Single Ring Tripod
HumboldtThe Humboldt Mfg. Co single ring tripod is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures long lasting usage.
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Swivel Clamp Holder
HumboldtFor attaching extension clamps to supports Aluminum construction Has swivel for rods up to 5/8” diameter
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Portable Penetrometer
HumboldtLighter and smaller than H-1200 for field work, unit's micrometer adjusts for accurate settings as well as coarse adjustment for approximate settings. Only one additional 50g loading weight is included. Overall dim. 7" x 7" x 16" (178 x 178 x 406mm). Shipping wt. 8 lbs. (3.6kg)