HUMBOLDT

Q: Q. How to install laboratory ovens and furnaces?

A. Choose a suitable location for the oven or furnace, considering ventilation and access to utilities.Carefully review the manufacturer's instructions for installation guidance.Ensure the electrical power supply meets the specified requirements.Verify proper ventilation to dissipate heat and fumes.Consult a qualified technician to connect gas or compressed air supply lines if needed.Position and level the oven or furnace accurately.Install necessary safety equipment as per manufacturer recommendations.Follow the manufacturer's instructions to start up and calibrate the unit.Familiarise yourself with operational guidelines and safety protocols.Provide training to personnel and comply with regulatory standards.

Q: Q. What factors should be considered while choosing gravity-convection ovens?

A. Temperature RangeChamber Size and CapacityConstruction materialControls and ProgrammabilitySafety featuresEnergy efficiency

Humboldt's extensive catalogue includes Bunsen burners, asphalt / concrete mixers, GeoGauges, laboratory ovens, soil grinders, soil testing penetrometers, sieve shakers, water baths and water level testers. The brand's water level indicators are designed for monitoring water levels in dams, wells, reservoirs bores and underground cavities. They come with a handheld wire spool, a measuring cable, an indicator module and a probe for measuring readings in centimetres and feet. These indicator modules are integrated with a power switch control (ON-OFF), red light & horn and test button for sensitivity control and remote signalling to adjust the versatile water conditions. Humbodlt laboratory ovens have precise temperature control with decreased emissions to supply heat in an optimised manner. They are ideal for evaporating, baking, annealing tasks and sterilising. These ovens have an automatic control panel, mercury thermometer, illuminated ON / OFF rocker switch and pilot light heat indicator for the user's comfort. They also have a rigid exterior and a double-walled cabinet with a perforated heat shield to absorb and radiate intense heat. These ovens are equipped with 2 adjustable shelves with a shelf capacity of 50 lb.

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Laboratory Mixer Accessories (480 Products) Includes deluxe mixing paddles and mixing buckets & covers to pour cement smoothly & efficiently. Mixers feature a 5 litre stainless steel bowl and ASTM compliant paddles

Laboratory Tongs and Forceps (14 Products) Prevent moisture or oil from leading to inaccuracies in mass measurements. Feature nickel plated steel / brite steel / stainless steel construction for lifting hot crucibles from furnaces and provide protection against corrosion

Concrete Miscellaneous Tools (318 Products) Includes concrete crack gauges designed to monitor horizontal or vertical movement across a crack on a flat surface. Can be easily attached to the surface using screws or adhesive and come with a record sheet

Test Equipment (1175 Products)

Laboratory Penetrometers (4 Products) Direct-reading instruments for precise penetration measurements of bituminous materials, cement, petroleum and waxes, as well as food, cosmetics & pharmaceutical products. Provided with a 5-inch diameter indicator dial, graduated in 400 divisions of 0.1 mm, corresponding to 40 mm penetration. Zero preset to eliminate errors

Water Baths (1 Product) Feature a microprocessor-based digital controller for precise temperature control (ambient temperature range of 180 degrees F at an accuracy of +/- 0.1% of input span). Dual digital display; fully insulated to maintain constant temperatures easily

Laboratory Mixers (1 Product) Include buckets, chain guards, instructions, mixing paddles; suitable for sample batch mixing in either laboratories or fields. Mix bucket runs at a speed of 60 rpm with a 1/2 hp motor and cradles securely inside an enamelled steel mixer frame

Concrete Mixers (5 Products)

Cylinder Molds (38 Products) Single-use and reusable cylinder moulds designed to test and store concrete cylinders. Feature plated steel / plastic construction and are available in 4, 6, 8  and 12 inch overall heights

Laboratory Ovens and Furnaces (59 Products) Provide controlled heat with minimal emissions for drying, baking, sterilizing, heat-treating, evaporating, annealing and testing. Selected models offer forced-air circulation; enable uniform distribution of heat that facilitates dehydration and evaporation

Sieve Accessories (32 Products) Includes riddle bottom pans, riddle covers, sieve bottom pans and sieve separator pans. Available in diameters of 8, 12 and 18 inches and overall depths of 2, 4, 6 and 8 inches

Soil Tester Accessories (262 Products)

Soil Grinders Accessories (2 Products) Stainless steel plates (No. 35) and 22 mm plates for use with soil grinders

Soil Testing Penetrometers (20 Products) Suitable for use by field personnel to check the visual classification of soils. Help verify if excavation side walls require shoring, based on OSHA cohesive soil classifications. Indicate consistency, shear strength and approximate unconfined sheer strength

Soil Core Sampling Accessories (72 Products)

HUMBOLDT Soil Testing Penetrometer Accessories

Soil Testing Penetrometer Accessories (19 Products) Includes penetrometer adapter feet, resilience ball penetration tools, penetration cones, bituminous needles and 60-degree cones (1.5 and 3 cm)

Sieve Shakers (46 Products) Heavy-duty sieve shakers capable of handling a variety of sieve sizes to help wash, sift, strain, sort and size aggregates & other dry materials. Efficiently and cost-effectively handle wet sieving. Analog / digital sieve shakers and motorised laboratory shaker units offering 1/4 and 1/3 HP power

Wire Cloth Sieves (206 Products) Offered in a variety of mesh sizes and wire diameters to suit testing, sampling and classification applications. Wide assortment of standard test sieves, metric sieves, wet washing sieves and more sieve styles for filtring liquids, powders and aggregate materials

Bunsen Burners (24 Products) Used in laboratories for micro-method analysis. Have nickel-plated, die-cast alloy bases & aluminium mixing tubes. Serrated gas inlet connections provide a secure connection with mixing tubes and flame stabilizers provide steady & consistent flame

Thermometers (255 Products)

Bench and Floor Scales (254 Products)

Test Equipment Accessories (191 Products)

Beakers (31 Products)

Calibration Weights (142 Products)

Soil Auger Kits (63 Products)

HUMBOLDT Cell Research Equipment Accessories

Cell Research Equipment Accessories (231 Products)

Automotive Testing Instruments (189 Products)

Counters (2 Products)

Drill Bit and Tap Sets (58 Products)

Laboratory Clamps and Supports (53 Products) Wire support rings with formed, bright basic wire circles welded to the shank. Aluminium muff attach to support rods up to 3/4 inch (19 mm) in diameter

Flasks (21 Products)

HUMBOLDT Filter Papers and Extraction Thimbles

Filter Papers and Extraction Thimbles (21 Products)

HUMBOLDT Asphalt Testing Compression Machines

Asphalt Testing Compression Machines (116 Products)

Laboratory Trays and Pans (183 Products)

Graduated Cylinders (16 Products)

HUMBOLDT Laboratory Scoops Scrapers and Spoons

Laboratory Scoops Scrapers and Spoons (16 Products)

Wire Mesh Cloths (114 Products)

Lab Adapters and Joints (55 Products)

Gas Connector Fitting (4 Products)

Parts Washers (6 Products)

Sampling Bags (6 Products)

Demolition Hammer Accessories (1 Product)

Cross-Reference Alternatives

Humboldt's MPNs cross individual references to the equivalent Lab Safety Supply & Dynalo models. So, if you're looking for a competitor item that is either out of stock or obsolete, chances are Raptor Supplies has the equivalent Humboldt products available.

Shipping

These Humboldt products are small in size. They may require careful packaging as some items might get damaged while shipping. Hence, these items are delivered by courier shipment and air freight for minimum downtime.

EDGe

EDGe is a non-nuclear, soil density, field and in-lab gauge to measure the density and moisture content of materials like aggregate, soil aggregate, compacted base or natural soil. It is used for determining the suitability of these materials for secondary roads / base aggregate for asphalt or concr ... ete. Humboldt's EDGe is a lightweight and user-friendly quality assurance / quality control (QA / QC) system that does not require nuclear technology. It includes one unit for lab use in determining Proctor values and another for on-site field measurements. These units work in tandem with a Microsoft app to ensure precise and accurate measurements. The brand's EDGe system establishes a direct correlation between Proctor test data obtained from a sample in the lab and readings of the same material taken in the field for consistent and reliable assessment of aggregate and soil samples for improved decision-making in construction projects.

Tru-Wate

Tru-Wate mud balance is a device used to measure the density of a fluid sample (cement slurry and similar fluids) accurately. The density of the fluid sample can be measured within a fixed volume under pressure by using the Tru-Wate balance. It pressurises the sample cup to reduce the presence of ai ... r / gas for a precise measurement of the slurry density that closely corresponds to the actual density in down-hole conditions. This density balance has metal construction for increased durability, accuracy and user-friendliness. It comes with a sturdy plastic case that protects the balance during transportation and provides a stable base for measurements.

Q. How to install laboratory ovens and furnaces?

Choose a suitable location for the oven or furnace, considering ventilation and access to utilities.
Carefully review the manufacturer's instructions for installation guidance.
Ensure the electrical power supply meets the specified requirements.
Verify proper ventilation to dissipate heat and fumes.
Consult a qualified technician to connect gas or compressed air supply lines if needed.
Position and level the oven or furnace accurately.
Install necessary safety equipment as per manufacturer recommendations.
Follow the manufacturer's instructions to start up and calibrate the unit.
Familiarise yourself with operational guidelines and safety protocols.
Provide training to personnel and comply with regulatory standards.

Q. What is the difference between a bunsen burner and a general purpose burner?

A. Bunsen burner and general-purpose burner serve heating purposes but differ in several aspects. Bunsen burner features a vertical metal tube with an adjustable air intake and gas nozzle. It produces a non-luminous Bunsen flame characterized by a blue inner cone and a less intense outer flame, which is relatively cooler. Primarily used in laboratories, Bunsen burners offer precise control for heating, sterilization, and specific experiments. In contrast, general-purpose burners encompass a broader category with various designs and flame characteristics. They find applications beyond laboratories, offering versatility for heating, melting, soldering, flame tests, and combustion reactions in diverse settings. The adjustability of Bunsen burners, including airflow control, allows users to regulate flame height and oxygen supply. General-purpose burners may vary in adjustability based on their design and intended use. Overall, while the Bunsen burner provides controlled and consistent flames in laboratory settings, general-purpose burners offer flexibility for heating applications in various environments.

Q. What factors should be considered while choosing gravity-convection ovens?

Temperature Range
Chamber Size and Capacity
Construction material
Controls and Programmability
Safety features
Energy efficiency

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