Glassware and Measuring Instruments
Waterproof Digital Vernier Caliper, Open-Style, Four-Function (IP67)
The waterproof digital vernier caliper with an open‑style design is a high‑precision industrial measuring tool that combines water and oil resistance, an open‑frame structure, direct digital readout, and multi‑function measurement capabilities. Featuring a stainless‑steel body for excellent rigidity, wear resistance, and corrosion protection, it also boasts an open‑style construction that ensures smooth sliding and easy removal of metal chips and oil, making it ideal for long‑term use in harsh workshop environments.
The digital-display, open‑type, single‑jaw caliper features an open‑frame design and a single‑jaw configuration, specifically engineered for measuring the outer diameter, thickness, and other dimensions of large, elongated workpieces.
Electronic digital height gauge
The electronic digital height gauge is a high-precision measuring instrument used for determining workpiece height, step height, scribing, depth, and perpendicularity. Featuring a direct‑read digital display, it offers clear readings, simple operation, and stable measurement performance. With a robust overall structure, high measurement accuracy, and strong environmental adaptability, it is an ideal specialized tool for height measurement, scribing and positioning, and quality inspection in manufacturing.
Thickened and hardened aluminum-magnesium alloy spirit level
The product is equipped with a horizontal bubble, a vertical bubble, and a 45° bubble; the bubbles are clear and highly visible, offering excellent sensitivity. It enables rapid measurement of a workpiece’s level, plumb, and inclination, meeting diverse measurement requirements.
Thickened and hardened aluminum-magnesium alloy spirit level (with scale)
The product is equipped with a horizontal bubble, a vertical bubble, and a 45° bubble; the bubbles are clear and highly visible, with excellent sensitivity, enabling rapid measurement of a workpiece’s level, plumb, and tilt angles to meet multi‑directional measurement requirements.
L-shaped stainless steel square, 90-degree right-angle ruler
The steel square is a fundamental measuring tool used for checking perpendicularity, scribing, verifying 90° angles, and establishing right-angle positioning. It is precision‑crafted from stainless steel, featuring a robust construction with excellent rigidity and resistance to deformation, ensuring stable and reliable measurement and scribing accuracy.
Large-range steel tape measure
The product features a highly elastic, thickened carbon steel ruler with a wear-resistant coating on the surface. It offers clear markings, is resistant to breakage, and provides smooth extension and retraction, while maintaining its shape even after prolonged use.
Large-range nylon‑coated steel tape measure
The tape features a high‑quality carbon steel core with a nylon coating, delivering a smooth, wear‑resistant surface that is scratch‑proof and rust‑free. Its clear, long‑lasting graduations resist abrasion from mortar, concrete, and oil, significantly extending its service life.
A steel straight ruler is a fundamental measuring tool widely used in industry, machining, and metrology. Crafted from high-quality stainless steel, it features a straight blade, clear graduations, and excellent wear resistance. It can be used directly to measure the length, width, and depth of workpieces, as well as serve as a reference for scribing and alignment.
Waterproof, thickened, wear-resistant steel tape measure
The waterproof, thickened, wear‑resistant steel tape measure is a rugged measuring tool designed for harsh working conditions. It features water and dirt resistance, a reinforced construction, drop resistance, and exceptional abrasion durability, making it ideal for long‑term use in construction sites, home renovation, outdoor applications, and mechanical maintenance.
A rubber cutter is a tool used for preparing specimens prior to tensile testing of rubber or plastic materials. Based on the shape of the cut, it can be classified into dumbbell‑shaped, tear‑shaped, star‑shaped, and other types. According to the dimensions specified in national standards, it is available in sizes such as 6×115 mm, 4×75 mm, 10×120 mm, and 10×150 mm (specific specifications are listed in the table below).
Photolithography Acid-Base Burette (Class A, EX) (High-Borosilicate)
The photolithographically engraved acid burette (Class A EX) is a high‑precision, chemically resistant, and high‑temperature‑tolerant laboratory primary measuring instrument, specifically designed for the accurate titration and volumetric analysis of acidic and strongly oxidizing solutions. It features a high‑borosilicate glass body with laser‑etched graduations and complies with Class A metrological standards and the EX (delivery) calibration specifications.
The photolithographically engraved fluorinated‑acid/alkali universal burette is a high‑precision, corrosion‑resistant laboratory glassware designed for both acid and base titrations. It features a high‑borosilicate glass body paired with a PTFE stopcock and finely etched graduations, making it suitable for volumetric analysis and titration of a wide range of acids, bases, salts, and oxidizing reagents. It offers excellent versatility and a long service life.
Photolithographic Acid-Base Burette (Laser Brown, Class A, EX)
The photolithographically engraved acid burette (Laser Brown Class A EX) is a high‑precision, chemically resistant, and high‑temperature‑tolerant core laboratory measuring instrument, specifically designed for the accurate titration and volumetric analysis of acidic and strongly oxidizing solutions. It features high‑borosilicate glass and laser‑etched graduations, complying with Class A metrological standards and the EX (delivery) calibration specifications.
Photolithographic Perfluorooctanoic Acid–Base Universal Burette (Laser Brown, Class A, EX)
The photolithographically etched fluorinated‑acid/alkali universal burette (Laser Brown, Class A, EX) is a light‑protected, high‑precision, dual‑purpose laboratory volumetric instrument. It features a brown high‑borosilicate glass body, laser‑etched graduations, and a PTFE piston assembly, manufactured to Class A accuracy with EX‑type dispense calibration. It is specifically designed for the precise titrimetric analysis of photosensitive, acidic, alkaline, and oxidizing solutions.
Single-mark volumetric pipette (borosilicate glass, Class A, EX)
Single-mark volumetric pipettes (bulb pipettes) are crafted from high-borosilicate glass, featuring Class A metrological accuracy and EX‑type outflow calibration, making them the standard measuring instruments for high‑precision quantitative liquid transfer in laboratories.
Graduated pipette (Class A graduation)
Graduated pipettes (Class A) are commonly used laboratory glassware for measuring and transferring precise volumes of liquids. Manufactured in accordance with Class A metrological accuracy standards, they feature uniform, clear graduations and deliver accurate, reliable volume readings, making them suitable for routine applications such as chemical analysis, sample preparation, and the transfer of standard solutions.
Glass volumetric flask (Class A)
A glass volumetric flask (Class A) is a high-precision laboratory instrument used to accurately prepare standard solutions of specified volume and concentration. It is manufactured in strict accordance with Class A metrological accuracy standards, ensuring accurate measurement values and excellent repeatability, thereby meeting the requirements of precise volumetric analysis.
Glass volumetric flask (brown, Class A)
The glass volumetric flask (Brown Class A) is a light‑protected, high‑precision volumetric measuring instrument made of brown high‑borosilicate glass, specifically designed for preparing light‑sensitive standard solutions and reagents that are prone to photodecomposition.
Glass volumetric flask (Class A, standard polypropylene stopper) (high-borosilicate glass)
Glass volumetric flasks (Class A, standard equipped with polypropylene stoppers) are laboratory instruments used for the precise preparation of standard solutions and for accurate volume determination. They feature a high-borosilicate glass body paired with a polypropylene stopper and are manufactured to Class A metrological accuracy, meeting the demands of various precision volumetric analyses. The flask body offers excellent transparency and strong chemical resistance, withstands acids and alkalis, tolerates thermal shock, resists corrosion, and does not react with the sample solution, ensuring the purity and reliability of prepared solutions.
Brown glass volumetric flask (Class A, standard polypropylene stopper) (high-borosilicate glass)
Brown glass volumetric flasks (with polypropylene stoppers as standard for Class A) are laboratory instruments used for the precise preparation of standard solutions and for accurate volume measurements. They feature a high-borosilicate glass body paired with a polypropylene stopper and are manufactured to Class A metrological accuracy, meeting the requirements of various precision volumetric analyses.
Glass graduated cylinder (volumetric, transfer type)
Borosilicate glass graduated cylinders are widely used in laboratories, the chemical industry, pharmaceuticals, education, and many other fields. They are indispensable basic instruments for quantitative liquid measurement, available in both standard open‑ended and stoppered versions, with capacities ranging from 5 mL to 2000 mL to meet diverse dispensing requirements.
Low-profile beaker made of borosilicate glass
A beaker is a common laboratory glassware item, characterized by its cylindrical shape and a spout on one side of the rim for convenient pouring. Beakers are widely used for heating, dissolving, mixing, boiling, melting, evaporating and concentrating, diluting, and clarifying precipitates in chemical experiments.
The QCJ‑2000 digital planimeter can rapidly measure the area of closed figures on a plane. It is widely used in agriculture, forestry, geology, exploration, water resources management, urban planning, land surveys, and other fields, serving as a common instrument for engineers and technical personnel engaged in scientific research, production guidance, and area measurement. Scale settings are retained even after power loss.
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