Laboratory Instruments

This portable gem refractometer is available for sale at a competitive price, offering unparalleled accuracy in gem testing. With a measurement range of 1.30 to 1.81 RI, this gem refractometer is perfect for gem identification, helping you distinguish between different types of gemstones based on their refractive index. The LED light source ensures optimal visibility, making it easier to read the scale and conduct tests on any gemstone.

This trinocular biological microscope features a 360° rotatable trinocular viewing head, a double-layer mechanical stage, and coaxial coarse/fine focusing for smooth, precise control. Equipped with achromatic objectives, 10X widefield eyepieces, and a 1W LED light source, the biological microscope delivers clear, true-color imaging. Ideal for clinical labs, research, education, and agricultural use, this microscope offers excellent performance at an affordable price.

The newly handheld USB rechargeable magnifying glass is now on sale. This rectangular magnifying glass features a 2X magnification for the main lens and an 8X magnification for the secondary lens, providing flexible magnification needs. Equipped with 20 high-brightness LED lights and three-level touch control brightness adjustment, the USB magnifier delivers optimal lighting in any environment. Perfect for repair inspection, reading newspapers, and precision work.

Newly upright fluorescence microscope for sale. The fluorescence microscope features a sliding binocular head with a 45° tilt and adjustable interpupillary distance (55mm–75mm) for comfortable viewing. It comes with WF10×18mm eyepieces and 195 achromatic objective lenses (4×, 10×, 40×, 100×), plus a 4-hole nosepiece for easy magnification changes. Ideal for education, clinical labs, research, aquaculture, and inspections, this microscope offers clear imaging and reliable performance.

Electronic analytical balance with investment casting aluminum shell and serial connection in a reasonable price for sale. LCD display makes digital analytical balance reading clear. The readability of the digital analytical balance is 0.001g. The analytical weighing scale adopts with anti-slip foot pad, data is stable and accurate.

Premium desk magnifying glass with light for professional use. This model features a large 3X main lens paired with dual auxiliary lenses of 25X and 4.5X. Constructed with a durable ABS frame, high-transparency acrylic optical lenses, and a sturdy aluminum alloy stand, it is built to last. The table magnifying glass supports both battery operation (batteries not included) and direct power connection for flexible use. Ideal for precision electronics repair, antique restoration, jewelry inspection, model making, and other detailed work.

Buy a digital handheld refractometer with a 0-50% or 0-90% Brix range, online at a cheap price. The pocket-sized digital handheld refractometer is perfect for beer brewing, home brewing, fruit analysis, and honey testing.

The welding goggles are made of PC lenses, which are impact-resistant and can protect against strong light from welding. The lens grayscale is optional, the lens thickness 2mm, the temple length 120mm, and the light transmittance 10%. The PC lenses of the eye protective goggles can protect against impact, strong light/splash, and have a high-definition field of view. The material of the welding safety glasses is light and more comfortable, which can effectively prevent the splash of iron filings, gray yarn, and gravel, and protect the safety of the eyes. Safety goggles are mostly used for welding, gas shielded welding, grinding, and polishing.

This cost-effective low-speed benchtop centrifuge offers a maximum speed of 5500 rpm, a maximum RCF of 5640×g, and a large 2000 ml capacity. With a speed accuracy of ±20 r/min, the centrifuge machine ensures precise and efficient separation. Equipped with a high-definition LED display, the lab centrifuge features an intuitive user interface and smooth operation. Ideal for medical diagnostics, academic research, life sciences, and biopharmaceutical applications.

The digital multi-position magnetic stirrer, designed for professional laboratory use, is now for sale! This 3-position magnetic hotplate stirrer supports up to 1 L per position, with a speed range of 150~1600 rpm and heating power up to 150W (room temp to 120°C). This lab magnetic stirrer features digital speed control, an intuitive LED display, and a durable ceramic-coated aluminum top plate. Perfect for high-efficiency mixing in research labs, universities, environmental testing, petrochemical, medical, and industrial applications.

Vertical stirred ball mill uses the mixing device to make the grinding medium move and produce an impact, the shear, the grinding function, thereby crushing the material. This type of ball mill machine equipped intelligent control panel, It has functions such as variable frequency speed regulation and timing. This stirred ball mill price is good, simple structure and easy to operation. Stirred ball mill grinder is often used in fields such as building material, coating, and chemical.

High-quality jewelry loupe for professional and hobby use. This 10X jewelers' magnifying glass for jewelry appraisal features a 25mm optical lens and two built-in LED lights for bright, clear viewing. Weighing only 56g, the 10x jewelers' loupe is lightweight, portable, and foldable, making it perfect for inspecting jewelry, coins, stamps, antiques, and other collectibles.

The SISCO blood serum centrifuge is engineered for cross-matching and serological testing in transfusion labs. The centrifuge offers a max speed of 4000 rpm, 2180×g RCF, and handles up to 120 ml per run with ±20 rpm accuracy and low 115W power usage. Ideal for blood typing, RBC washing, and gel card immunoassays, this compact clinical centrifuge delivers reliable performance for hospitals and labs.

The digital coffee refractometer for sale is available at a cheap price, featuring a 0~26% Brix range and Bluetooth connectivity. It boasts high precision sensors, small programmable connections, and a compact, portable design. With an IP67 waterproof rating, 30 days of long-lasting battery life, and automatic warming.

This high-performance digital 5-position magnetic hotplate stirrer is designed to meet the multitasking demands of modern laboratories. It combines precise temperature control and magnetic stirring, allowing synchronous or independent operation across five stations. Each position handles up to 1L with a speed range of 150~1600 rpm and 250W heating power. This multi-position magnetic stirrer is ideal for mixing samples with different viscosities, which boosts efficiency and consistency in parallel experiments.

This inverted fluorescence microscope features a trinocular viewing head (50~75mm interpupillary distance), WF10X/20mm eyepieces, and 4X/10X/20X/40X LWD plan achromatic objectives. The microscope includes a double-layer mechanical stage and adjustable 12V/30W halogen illumination for clear imaging. Ideal for observing cells, liquid samples, and live cultures in Petri dishes, the inverted microscope is a reliable tool for laboratories, medical research, and life science applications.

The SISCO advanced polarizing microscope comes standard with widefield WF10X/18mm plan eyepieces and a 45° inclined sliding binocular viewing head. Equipped with strain-free achromatic objectives (4X, 10X, 40X), this polarized light microscope ensures accurate and crisp imaging. The built-in adjustable 6V/20W halogen lamp provides stable, even illumination. Ideal for teaching, clinical labs, and scientific research, this binocular polarizing microscope combines ergonomic design with reliable performance.

A Brix refractometer with Bluetooth connectivity offers smart control via a mobile phone app and displays multiple parameters on a full-screen interface. It can measure and detect various fruits' sugar content and salinity, making it suitable for beverages, cafes, kitchens, restaurants, offices, and more. The digital brix refractometer can measure Brix 0-32%/0~55%/0~95%.

High-quality 5X dome magnifier for sale. This dome magnifying glass is equipped with 6 built-in LED ring lights; the 72mm large-diameter optical glass lens ensures crystal-clear magnification. At the same time, the lightweight aluminum alloy housing keeps the net weight at just 207g. With a one-touch press switch, you can easily turn the light on or off. Whether used for reading books, newspapers, or examining stamps and coins, this LED magnifier provides a stable, distortion-free viewing experience.

This 6-position heated magnetic stirrer is designed to meet modern laboratories' high-efficiency, multi-tasking needs. With an affordable factory wholesale price, the magnetic stirrer integrates precise stirring and consistent temperature control in one compact unit. Each of the six stirring positions supports up to 1L capacity, with a variable speed range from 150 to 1600 rpm and a powerful 300W heating output. Ideal for parallel experiments, this multi-position magnetic stirrer is perfect for chemical synthesis, biological research, and pharmaceutical development.