The Go Direct SpectroVis Plus Spectrophotometer quickly measures a full wavelength spectrum. It connects via Bluetooth® wireless technology or via USB to your device. Specifications Wavelength Range: 380 nm–950 nm Support for fluorescence: Two excitation sources centered at 405 nm and 500 nm Reported Wavelength Interval: ~1 nm between reported values (collects 570 values) Optical resolution (FWHM): 5.0 nm Wavelength accuracy: ± 4.0 nm Photometric accuracy: ± 0.10 A.U. Dimensions: 15 cm x 9 cm x 4 cm Light Sources: Incandescent white bulb, approximately 8000 hour lifetime, one-step calibration. LED-based, approximately 100,000 hour lifetime. No external power is required. Typical scan time: ~2 s Connections:Wireless: Bluetooth Wired: USB What's included Go Direct SpectroVis Plus Spectrophotometer 15 plastic cuvettes and lids Mini USB Cable Power supply User Manual - GDX-SVISPL-INTL

This is an optical fiber accessory designed exclusively for emission spectrum experiments with Vernier-branded spectrophotometers, including Go Direct® SpectroVis® Plus, Go Direct UV-VIS Spectrophotometer, Go Direct Fluorescence/UV-VIS Spectrophotometer, Vernier UV-VIS, and Vernier Fluorescence/UV-VIS. User Manual - VSP-FIBER

The 4-wavelength Go Direct Colorimeter measures absorbance or transmittance of a liquid sample. It connects via Bluetooth® wireless technology or via USB to your device. Specifications Range: 0 to 3 (absorbance) Useful range:0.05 to 1.0 (absorbance) 90% to 10% transmittance (%T) Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm Connections:Wireless: Bluetooth Wired: USB What's included Go Direct Colorimeter Micro USB Cable 3.5 mL cuvettes (15) User Manual - GDX-COL

A plastic cuvette rack for holding up to 10 cuvettes during experiments. User Manual - CUV-RACK

A package of 100-3.5 mL cuvettes (with 20 lids) is available for use with our Colorimeter, SpectroVis Plus, and Vernier Spectrometer. User Manual - CUV

With Graphical Analysis Pro, students can visualize scientific data collected from Vernier sensors—boosting their understanding and engagement using rich, real–time graphs. This-easy-to-use-app works on operating systems commonly found in the classroom. Graphical Analysis Pro also includes crucial features that promote three-dimensional learning, critical thinking, student collaboration, asynchronous instruction, and deeper analysis of experiment phenomena. Review the comparison table below to see what Graphical Analysis Pro can add to your classroom.  Data Collection Collect experiment data from multiple sensors simultaneously using a multiple-channel interface, such as LabQuest Stream® or multiple Go Direct® sensors. Data Visualization Help your students visualize experiment data—and increase comprehension and retention—with richly detailed, customizable graphing.         Graphical Analysis Pro Remote EducationData Sharing Boost your students’ understanding of complex science concepts with real-time data sharing. Seeing experiment data collected right before their eyes helps students connect abstract ideas to the real world. Videos Synced with Data Customize instruction and learning using your experiment videos synced with data. Your students can even upload and share their own videos.   Sample Experiments Access dozens of experiment videos synced with real data to support both remote and in-person learning. These sample experiments help your students experience an experiment, even when lab equipment is unavailable. You can also use sample experiments for pre-labs and differentiation of instruction. Advanced Data Analysis Give your students more options for deeper analysis with user-defined curve fits and calculated columns. These features provide equation and expression customizations directly in the app for immediate analysis.

The Go Direct® UV-VIS Spectrophotometer connects to your device via Bluetooth® wireless technology or USB to generate full spectra, Beer’s law data, and kinetic traces of ultraviolet and visible-absorbing samples (such as aspirin, DNA, proteins, and NADH). Specifications Detection modes: Absorbance, %Transmittance, Intensity, and Raw Lamp Experiment types: Full Spectrum, time-based (kinetics), and event-based (Beer’s law) Dimensions: 18.5 cm × 17.0 cm × 7.0 cm Lamp power supply: AC adapter (included) Bluetooth power supply: USB (USB power adapter included) Power consumption: 3 A start-up, 500 mA continuous Light source: Deuterium (UV) and incandescent (VIS) Detector: Linear CCD Wavelength range: 220–850 nm Wavelength reporting interval: ~1 nm Optical resolution: 3.0 nm (as determined with 486 nm hydrogen emission spectral line FWHM) Wavelength accuracy: ± 2.0 nm (as determined with holmium oxide NIST standard) Absorbance photometric accuracy: ± 5.0% (as determined with potassium dichromate NIST standards) Absorbance photometric range (for best accuracy): 0.1–1.0 Typical scan time: ~2 s Operating temperature: 15–35°C Sample format: 10 mm × 10 mm cuvette (two UV quartz cuvettes included) What's included Go Direct UV-VIS Spectrophotometer AC Power Supply Starna® quartz cuvettes (2) Mini USB cable USB Power Adapter User Manual - GDX-SPEC-UV-EURO

The Quartz Cuvettes are a pack of two Spectrosil® Quartz cuvettes for use with UV-VIS spectrophotometers. Each cuvette is a standard rectangular cuvette with two polished (clear) sides. User Manual - CUV-QUARTZ

The Go Direct® Emissions Spectrometer enables students to conduct emissions analysis; measure spectra of light-emitting samples in the range of 350 to 900 nm; and examine emissions spectra of light bulbs, spectrum tubes, or the sun. Specifications Dimensions: 10.1 cm × 7.0 cm × 4.5 cm Power supply: USB powered Detector: Linear CCD Wavelength range: 350–900 nm Wavelength reporting interval: 1 nm Optical resolution: 3.0 nm (as determined by the full width of half maximum of hydrogen 434 nm peak) Wavelength accuracy: ±2 nm (as determined by hydrogen peaks) What's included Go Direct Emissions Spectrometer Mini USB cable USB Power Adapter User Manual - GDX-SPEC-EM-EURO

The Colorimeter is great for Beer’s law experiments, determining the concentration of unknown solutions, or studying changes in concentration vs. time. Specifications Range: 0 to 3 (absorbance) Useful Range:0.05 to 1.0 (absorbance) 90% to 10% transmittance (%T) Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm Typical Resolution: 0.035 %T Supply voltage: 5VDC +/- 25 mV Supply current: 40 mA (typical) Power up time: 700 ms (maximum) Output voltage range: 0 – 4 V Transfer function: Vout = 0.035 x (%T) + 0 What's included Vernier Colorimeter (15) 3.5 mL cuvettes User Manual - COL-BTA

Use the SpectroVis Optical Fiber with SpectroVis Plus to measure light emissions of LEDs, fluorescent bulbs, or incandescent lights. For spectrum tube emissions, we recommend the Vernier Emissions Spectrometer (VSP-EM). Not compatible to GDX-SVISPL User manual

The Go Direct Fluorescence/UV-Vis Spectrophotometer measures fluorescence and absorbance spectra of myriad samples, such as quinine sulfate, fluorescein, chlorophyll, and fluorescent proteins, all while connecting to your device via Bluetooth® wireless technology or USB. Specifications Detection modes: Absorbance, Fluorescence, %Transmittance, Intensity, and Raw Lamp Experiment types: Full Spectrum, time-based (kinetics), and event-based (Beer’s law) Dimensions: 18.5 cm × 17.0 cm × 7.0 cm Lamp power supply: AC adapter (included) Bluetooth power supply: USB (USB adapter Included) Power consumption: 3 A start-up, 500 mA continuous Absorbance light source: Deuterium (UV) and incandescent (VIS) Emission light source: Exchangeable LED (ships with 375 nm, 450 nm, and 525 nm) Detector: Linear CCD Wavelength range: 220–850 nm Wavelength reporting interval: ~1 nm Optical resolution: 3.0 nm (as determined with 486 nm hydrogen emission spectral line FWHM) Wavelength accuracy: ±2.0 nm (as determined with holmium oxide NIST standards) Absorbance photometric accuracy: ±5.0% (as determined with potassium dichromate NIST standards) Absorbance photometric range (for best accuracy): 0.1–1.0 Typical scan time: ~2 s Sample format: 10 mm × 10 mm cuvette (UV fluorescence cuvette included) Fluorescence emission detection limit: 1 mg/L quinine sulfate dihydrate in 0.1 M H2SO4 What's included Go Direct Fluorescence/UV-VIS Spectrophotometer AC Power Supply Fluorescence quartz cuvette Mini USB Cable USB Power Adapter LED cartridges (3): 375 nm, 450 nm, 525 nm User Manual - GDX-SPEC-FUV-EURO

Package of 100 semi-microscale (1 - 1.5 mL) cuvettes and 20 lids. Specifications Spectral range: 250–900 nm Path length: 10 mm Nominal volume: 1-1.5 mL 2 clear sides, 2 ribbed sides Incompatible with organic solvents User Manual - CUV-UV

The Vernier Flash Photolysis Spectrometer is a simple, user-friendly device for demonstrating the fundamental principles of chemical kinetics and photochemistry to undergraduate chemistry students. It measures the absorption and emission changes over time of a photoexcited sample at a single wavelength. This spectrometer includes two excitation colored glass filters and 13 detection dielectric interference filters. Specifications Spectral coverage: 450–750 nm Temporal resolution: 100 microseconds Spectral Resolution: Determined by the filter used (typically 10 nm) Minimum time window: 15 milliseconds What's included Vernier Flash Photolysis Spectrometer One fluorescence quartz cuvette USB cable Excitation colored glass filtersCG-BG-3 CG-BG-39 Detection dielectric interference filters, 10 nm bandwidth, center lines at (nm):450 480 500 520 540 560 580 600 620 640 660 680 700 User Manual - VSP-FP

Designed specifically for fluorescence measurement, this 10 x 10 mm cuvette is made of quartz and features four polished (clear) sides to enable crystal-clear transmission of light, even into the UV spectrum. Specifications Spectral range: 170–2700 nm Path length: 10 mm Exterior dimensions: 12.5 mm (width), 12.5 mm (length), and 45 mm (height) Interior dimensions: 10 mm (width) and 10 mm (length) Nominal volume: 3.5 mL User Manual - CUV-QUARTZ-FUV

The Go Direct® Visible Spectrophotometer is a robust and accurate portable visible light spectrophotometer that connects easily to your device via Bluetooth® wireless technology or USB to conduct Beer’s law experiments, kinetic or equilibrium studies of absorbance, or emission spectrum analysis. Specifications Wavelength range: 380 nm–950 nm Reported wavelength interval: ~1 nm between reported values Optical resolution (FWHM): 3.0 nm Wavelength accuracy: ± 2.0 nm Absorbance photometric accuracy: ± 0.05 A.U. Typical scan time: ~2 s What's included Go Direct Visible Spectrophotometer Plastic cuvettes and lids (15) Mini USB cable USB Power Adapter User Manual - GDX-SPEC-VIS-EURO