HUMBOLDT H-8700 Screw Compressor Clamp Open Jaw Brass

Description

Product Overview

The HUMBOLDT H-8700 screw compressor clamp is engineered for precision laboratory environments where reliability and gentle handling of glassware are paramount. Constructed from high‑grade brass, the clamp offers exceptional corrosion resistance, ensuring a long service life even in humid or chemically active settings. Its open‑jaw design features smoothly rounded corners that prevent any cutting or chipping of delicate tubing, a critical consideration for researchers handling fragile test tubes, capillary tubes, or micro‑pipettes. The clamp’s compact dimensions—measuring 9 x 6 x 1 inches and weighing just 0.71 ounces—allow it to be easily integrated into crowded bench spaces or portable lab kits. The screw‑type compression mechanism provides fine‑tuned pressure adjustment, enabling users to secure tubing with just the right amount of force without over‑tightening.

Technical specifications include a maximum height clearance of 0‑½ inch and a maximum width clearance of ¾ inch, making the H-8700 compatible with a wide range of standard laboratory glassware sizes. The model number H-8700 is clearly stamped on the body for quick identification, and the product is listed under ASIN B00CJPRRLE for easy reference in inventory systems. Since its introduction on April 27, 2013, the clamp has maintained a strong reputation, reflected in a 4.4‑star rating from 41 customer reviews and a best‑sellers rank of #42 in the Lab Test Tube Clamps subcategory.

Usage

Designed for versatility, the H-8700 clamp excels in a variety of laboratory applications. In chemistry labs, it securely holds reaction vessels during heating or stirring, preventing accidental slippage that could lead to spills or breakage. In biology and medical research settings, the clamp is ideal for positioning culture tubes, centrifuge tubes, and micro‑centrifuge tubes during observation or manipulation, providing a stable platform while allowing easy access for pipetting or sampling. The open‑jaw configuration also facilitates quick insertion and removal of tubing, which is especially valuable in high‑throughput workflows where time efficiency is critical.

Beyond traditional bench work, the clamp is well‑suited for field‑based scientific investigations. Its lightweight construction and compact footprint enable researchers to transport the clamp in portable kits for on‑site water quality testing, environmental sampling, or field‑based microbiology assays. The brass material tolerates exposure to a range of solvents and reagents, making it a reliable choice for outdoor or mobile laboratory environments where durability is essential.

Educators and teaching laboratories benefit from the clamp’s user‑friendly design as well. Students can quickly learn how to secure glassware safely, reinforcing best practices in laboratory safety and equipment handling. The clamp’s clear visual cues—such as the rounded corners and visible screw adjustment—help novices understand the mechanics of secure clamping without the risk of damaging expensive glassware.

Why Choose Us

When selecting a test tube clamp, the decision often hinges on material quality, precision, and long‑term value. HUMBOLDT, a trusted name in scientific apparatus, delivers a product that meets and exceeds these expectations. The brass construction not only provides a premium feel but also resists oxidation and chemical attack, ensuring the clamp remains functional and aesthetically clean over years of use. Each unit undergoes rigorous quality control testing, including dimensional verification and torque consistency checks, to guarantee that the compression mechanism operates smoothly and reliably.

Our commitment to customer satisfaction extends beyond the point of sale. Should you encounter any issues, our dedicated technical support team is available to provide troubleshooting assistance, replacement parts, or guidance on optimal usage. We also offer a straightforward warranty policy that covers manufacturing defects, reinforcing confidence in the durability of the H-8700 clamp.

In addition to the physical product, we provide comprehensive documentation, including a quick‑start guide, safety recommendations, and maintenance tips. This ensures that laboratories of all sizes—whether a small academic department or a large industrial research facility—can integrate the clamp seamlessly into their existing workflows.

Key Features

• Brass construction delivers superior corrosion resistance for long‑term laboratory use
• Rounded corners protect delicate tubing from cuts and chipping
• Open‑jaw design provides quick, tool‑free insertion and removal of glassware
• Fine‑adjustable screw mechanism offers precise pressure control to prevent over‑tightening
• Responsive customer support and warranty ensure confidence and peace of mind

FAQ

What size tubing can the H-8700 clamp accommodate?

The clamp is designed for tubing up to 0‑½ inch in height and ¾ inch in width, covering most standard laboratory test tubes and capillary tubes.

Is the brass material safe for use with chemical reagents?

Yes. Brass offers excellent resistance to a wide range of chemicals and solvents commonly encountered in laboratory settings, making the clamp suitable for direct contact with many reagents.

Can the clamp be used in high‑temperature applications?

The clamp’s brass body can tolerate typical laboratory heating temperatures, but it is not intended for direct exposure to open flames or temperatures exceeding 200 °C.

How do I maintain the clamp to ensure longevity?

Regularly wipe the brass surface with a soft, lint‑free cloth to remove any residues. Avoid abrasive cleaners; a mild soap solution followed by thorough drying is sufficient for routine cleaning.

What is the warranty coverage for the H-8700 clamp?

The product includes a one‑year limited warranty covering manufacturing defects. Contact our support team for claim procedures and replacement options.