Top Handheld Spectrophotometer For Gemology Reviews

Jenway 632-031 Sipper Pump with Inlet and Outlet Tubing for 63 Series Spectrophotometer, 110V

110V sipper pump delivers controlled and reproducible sample volumes from 75 microliters to 9.5mL into the chamber of a flow-through spectrophotometer cuvette.
For use with the Jenway 63 series spectrophotometer (sold separately).
Timed aspiration mode provides a wash cycle to help maintain consistent sampling.
Continuous aspiration mode allows monitoring of a bulk or flowing sample.
Includes inlet and outlet tubing for moving sample material.

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VisibleDust Mini Quasar Sensor Loupe 7X Magnifier

Eye loupe microscope for specimen examination in the engineering, tool making, quality control (QC) inspection, field research, gemology, and medical industries.
Optical quality lens mounted onto a plastic frame.
Built-in LED illumination with swivel feature shines light on object.
25-mm diameter fits comfortably in eye area for examination of areas and objects.

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scenstar Visible Spectrophotometer 721 350-1020nm Wavelength Range Spectrophotometer Portable Lab Equipment (US Stock)

Used in physic-chemical laboratories to make quantitative and qualitative analysis of specimen materials in the ultraviolet, visible spectral range.
Visible spectrophotometer can be used in the medicine, clinical examination, biochemistry, quality control, petro-chemical industry and environmental protection..
This spectrophotometer has digital display shows measurement values..
Automatic light door, automatic zero and hundred adjustment equipment calibration..
Adopting tungsten lamp to ensure the service life of equipment..

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CGOLDENWALL Visible Spectrophotometer 721G Lab Equipment Wavelength Range:340-1000nm Spectral Bandwidth: 5nm

This Visible Spectrophotometer adopts a microprogramming technology. It can be used in a material determination, a quantitative analysis in a visible spectrum field. This equipment is a multipurpose analyzer which is necessary for all general labs. It applies to the medical health, clinical examination, biochemistry, petrochemical engineering, environmental protection, quality control’s department and teaching lab of universities and colleges etc..
Fundamental principles: The spectrophotometer analytical method is based on the different materials’ molecular structure’s selective absorption of electromagnetic radiation..
The available electromagnetic radiation’s spectral region is normally between 330nm-800nm..
Main Technical standard: Wavelength Range: 340nm~1000nm.
Stray light: ≤0.5%(T)(at 360nm ,with NaNO2).

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zorvo Visible Spectrophotometer 4 LCD 721 Digital Lab Visible Spectrophotometer 350-1020nm Tungsten Lamp Lab Equipment 110V

✅Visible spectrophotometer: It is an analytical instrument commonly used in physic-chemical laboratories to make quantitative and qualitative analysis of specimen materials in the Visible, visible spectral range finds much scope for its service in such fields as medicine, clinical examination, biochemistry, quality control, petro-chemical industry and environmental protection..
✅Digital Display: This spectrophotometer has digital display shows measurement values. Display: 4 LCD.
✅Advantages: Excellent metering accuracy is higher than the general instrument.
Adopting tungsten lamp to ensure the service life of equipment.
Large sample chamber, maximum can place 10cm of colorimetric dish..
✅Specifications: Wavelength Range: 350-1020nm.
Light Source: D2 lamp (1500hr), Tungsten lamp (2000hr).
Dimensions (W x D x H): 450 x 520 x 320mm.
✅Widely Application: Widely used in medical, food, petrochemical industry, environmental protection and monitoring, etc..

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Vis Spectrophotometer genmine 721 LDC Digital Lab Visible Spectrophotometer 350-1020nm Wave Tungsten Lamp Equipment 110V Photometer (Shipping from USA)

✅【High Performance】- Visible spectrophotometer, an analytical instrument commonly used in physic-chemical laboratories to make quantitative and qualitative analysis of specimen materials in the Visible, visible spectral range finds much scope for its service..
✅【Precise Program】- Automatic light door, automatic zero and hundred adjustment equipment calibration make sure the more precise data getting. Wave Range: 350-1020nm.Spectral Bandwidth: 6nm. Length Accuracy: ±3nm, Length Repeatability: ≤1nm. Photometric Accuracy: ±1%T. Photometric Repeatability: 0.5%T. Photometric Range: 0-200%T， -0.3A~3A..
✅【Digital Display】- This spectrophotometer has 4 LCD digital display shows measurement values, very convenien for data reading and analyze.Photometric Mode: T, A, C.Detector: Silicon Photodiode..
✅【Strong Practicality】- Adopting tungsten lamp to ensure the service life of equipment. Light Source: D2 lamp (1500hr), Tungsten lamp (2000hr). Large sample chamber, maximum can place 10cm of colorimetric dish..
✅【Wide Application】- Widely used in medical, clinical examination, biochemistry, food, petrochemical industry, environmental protection and monitoring and quality control etc..

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Digital Lab Spectrophotometer Visible Spectrophotometer LCD Display 350-1020nm Tungsten Lamp Lab Analytical Equipment 110V (Deliver Within 3-7 Days)

【Wide Application】:Visible spectrophotometer is an analytical instrument commonly used in physic-chemical laboratories to make quantitative and qualitative analysis of specimen materials in the Visible, visible spectral range finds much scope for its service in such fields as medicine, clinical examination, biochemistry, quality control, petro-chemical industry and environmental protection..
【4 LCD Display】:This spectrophotometer has 4 LCD digital display shows measurement values,very convenien for data reading and analyze.Photometric Mode: T, A, C.Detector: Silicon Photodiode..
【Precise Program】:Automatic light door, automatic zero and hundred adjustment equipment calibration make sure the more precise data getting.Wave Range: 350-1020nm.Spectral Bandwidth: 6nm.length Accuracy: ±3nm,length Repeatability: ≤1nm.Photometric Accuracy: ±1%T.Photometric Repeatability: 0.5%T.Photometric Range: 0-200%T， -0.3A~3A..
【Large Sample Chamber】:The sample chamber maximum can place 10cm of colorimetric dish.High efficiency for material analyze.Stray Light: ≤0.3%T @ 220nm,340nm.Stability: ±0.004A/h @500nm.
【Heavy-Dudy Lab Supply】:Adopting tungsten lamp to ensure the service life of equipment..Light Source: D2 lamp (1500hr), Tungsten lamp (200....

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SWIFT S7 7X-45X Trinocular Stereo Microscope Bundle with 16MP Microscope Camera

A stellar stereo microscope for research, gemology, circuit board and electronics repair, engraving, and other uses that require a high level of surface magnification.
Two super wide-field 10X eyepieces with diopter adjustment pair with the 0.7X-4.5X zoom objective lens offers a continuous magnification range of 7X-45X.
The trinocular head is tilted at an ergonomic 45-degree angle to decrease eye and neck strain.
includes a third port for an additional eyepiece or camera.
Includes a powerful 56-bulb LED ring-light to flood the field of view with brilliant, shadow-free illumination cool enough for working with temperature-sensitive specimens.
Mount this 16 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos.

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SWIFT S7 7X-45X Trinocular Stereo Microscope Bundle with 20MP Microscope Camera

A stellar stereo microscope for research, gemology, circuit board and electronics repair, engraving, and other uses that require a high level of surface magnification.
Two super wide-field 10X eyepieces with diopter adjustment pair with the 0.7X-4.5X zoom objective lens offers a continuous magnification range of 7X-45X.
The trinocular head is tilted at an ergonomic 45-degree angle to decrease eye and neck strain.
includes a third port for an additional eyepiece or camera.
Includes a powerful 56-bulb LED ring-light to flood the field of view with brilliant, shadow-free illumination cool enough for working with temperature-sensitive specimens.
Mount this 20 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos.

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Swift S7 Simul-Focal Trinocular Stereo Microscope with 16MP Microscope Camera

Product 1: A stellar stereo microscope for research, gemology, circuit board and electronics repair, engraving, and other uses that require a high level of surface magnification.
Product 1: Two super wide-field 10X eyepieces with diopter adjustment pair with the 0.7X-4.5X zoom objective lens offers a continuous magnification range of 7X-45X.
Product 1: The trinocular head is tilted at an ergonomic 45-degree angle to decrease eye and neck strain.
includes a third port for an additional eyepiece or camera.
Product 1: Includes a powerful 56-bulb LED ring-light to flood the field of view with brilliant, shadow-free illumination cool enough for working with temperature-sensitive specimens.
Product 2: Mount this 16 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos.

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Swift S7 Simul-Focal Trinocular Stereo Microscope with 10MP Microscope Camera

Product 1: A stellar stereo microscope for research, gemology, circuit board and electronics repair, engraving, and other uses that require a high level of surface magnification.
Product 1: Two super wide-field 10X eyepieces with diopter adjustment pair with the 0.7X-4.5X zoom objective lens offers a continuous magnification range of 7X-45X.
Product 1: The trinocular head is tilted at an ergonomic 45-degree angle to decrease eye and neck strain.
includes a third port for an additional eyepiece or camera.
Product 1: Includes a powerful 56-bulb LED ring-light to flood the field of view with brilliant, shadow-free illumination cool enough for working with temperature-sensitive specimens.
Product 2: Mount this 10 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos.

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Swift S7 Simul-Focal Trinocular Stereo Microscope with 20MP Microscope Camera

Product 1: A stellar stereo microscope for research, gemology, circuit board and electronics repair, engraving, and other uses that require a high level of surface magnification.
Product 1: Two super wide-field 10X eyepieces with diopter adjustment pair with the 0.7X-4.5X zoom objective lens offers a continuous magnification range of 7X-45X.
Product 1: The trinocular head is tilted at an ergonomic 45-degree angle to decrease eye and neck strain.
includes a third port for an additional eyepiece or camera.
Product 1: Includes a powerful 56-bulb LED ring-light to flood the field of view with brilliant, shadow-free illumination cool enough for working with temperature-sensitive specimens.
Product 2: Mount this 20 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos.

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Arginase Assay Kit (DARG-100)

For quantitative determination of arginase activity and screen for its inhibitors..
Method: Colorimetric assay (520nm). A spectrophotometer or plate reader is required, but not provided..
Samples: Enzyme preparations, serum, plasma, tissue culture etc. Species: All. Detects 1 U/L.
Procedure: 2 hrs. Size: 100 tests per kit.

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