Go Direct® Optical Dissolved Oxygen Probe
CHF 833.80*
Content:
1 Stück
delivery time: usually around 3 weeks
Product number:
GDX-ODO
Product information "Go Direct® Optical Dissolved Oxygen Probe"
The Go Direct Optical Dissolved Oxygen Probe makes it easy to measure dissolved oxygen concentration, water temperature, and atmospheric pressure. It connects via Bluetooth® wireless technology or via USB to your device.
Specifications
- Range: 0 to 20 mg/L, 0 to 300%
- Accuracy:mg/L±0.2 mg/L below 10 mg/L
- ±0.4 mg/L above 10 mg/L
- %±2% below 100%
- ±5% above 100%
- Response Time: 90% of final reading in 40 seconds
- Temperature Range: automatic from 0 to 50°C
- Pressure Range: automatic from 228 mmHg to 1519 mmHg
- Minimum sample flow: none required
What's included
- Go Direct® Optical Dissolved Oxygen Probe
- Micro USB Cable
| Betriebsystem: | Android, Chrome, LabQuest 2, Mac OSX, Win, iOS |
|---|---|
| Bildungsstufe: | Diploma/High School, Diploma/ Vocational/ Uni, Middle years |
| DataLogger Schnittstellen: | LabQuest |
| Fach: | Biology, Water Quality, chemistry |
| Fachbereich: | Biologie, Chemie, Natur, Mensch, Gesellschaft - NMG |
| Hersteller: | Vernier |
| Schnittstelle: | BlueTooth, USB |
Login
Skip product gallery
Accessory Items
Go Direct® Charge Station
CHF 232.40*
The Go Direct® Charge Station is the perfect solution for charging your Go Direct Sensors. Each charge station has sixteen charging ports—eight USB and eight wand-style sensor ports. LED lights on the Go Direct sensors will show charging status. The Go Direct Charge Station is also compatible with Go Wireless devices. USB cables not included.
User Manual - GDX-CRG-EURO
Go Direct® Sensor Clamp
CHF 30.50*
Prevent accidental drops during field investigations with the Go Direct Sensor Clamp.
What's included
Go Direct Sensor Clamp
Lanyard
User Manual - GDX-CLAMP
Investigating Environmental Science through Inquiry
From
CHF 83.40*
Investigating Environmental Science through Inquiry contains 34 inquiry-based, environmental science investigations. Each experiment includes a preliminary activity, teacher information, sample researchable questions, and sample data. The lab book uses data collection-technology to look at local issues and solutions. Labs are correlated to Advanced Placement (AP) and International Baccalaureate (IB) standards.
Topics covered include:
Earth Systems and Resources/Air and Water
Earth Systems and Resources/Soil
The Living World
Global Change and Population
Energy Resources and Consumption
Pollution
The inquiry style used is based on recommendations from the National Research Council report, Learning and Understanding: Improving Advanced Study of Mathematics and Science in U.S. High Schools (2002) and leading inquiry-based learning experts.
Biology with Vernier (EN)
From
CHF 83.40*
Biology with Vernier is the foundational biology book for high school and college courses.
Biology with Vernier has 31 experiments in cell respiration, photosynthesis, membrane diffusion, osmosis, human physiology, transpiration, fermentation, and other important biology concepts. The complete table of contents is shown below. Experiments are included for 12 Vernier biology sensors.
If you teach Advanced Placement (AP), International Baccalaureate (IB), or college biology, you should also consider Advanced Biology with Vernier (BIO-A) and Human Physiology with Vernier (HP-A).
Water Depth Sampler
CHF 262.90*
Use the Water Depth Sampler to collect water samples from any desired lake depth.
What's included
Water Depth Sampler
50-foot nylon drop cord
User Manual - WDS
Go Direct® 650 mAh Replacement Battery
CHF 24.40*
The Go Direct 650 mAh Replacement Battery is a rechargeable, lithium-polymer unit that comes with a one-year warranty.
User Manual - GDX-BAT-650
Tip
Vernier Graphical Analysis™ Pro School Site License
From
CHF 14.50*
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.
Advanced Biology with Vernier (EN)
From
CHF 83.40*
Advanced Biology with Vernier contains 17 ready-to-use experiments appropriate for advanced high school and college biology courses.
Use it in addition to Biology with Vernier (BWC-LP) for a comprehensive set of topics. For inquiry-based experiments, we recommend Investigating Biology through Inquiry (BIO-I).
Included with Advanced Biology with Vernier
Electronic Version
17 ready-to-use student experiments
Access to up-to-date versions of the experiments
Instructions for data collection with Logger Pro 3, LabQuest App, and EasyData
Essential instructor information including teaching tips, instructions for preparing solutions, suggested answers, and sample data and graphs
Word-processing files of the student experiments, so you can edit the files to match your teaching preferences
Complete equipment and supplies list
A generous site license—buy one book and duplicate the experiments for your class
Printed Lab Book
When you buy the printed lab book you receive all of the resources listed for the electronic version, plus a printed copy of the book.
Primary Productivity Kit
CHF 112.10*
This kit is an accessory for one of our most popular biology labs, Primary Productivity. The kit consists of a box of 7 plastic bottles, 7 rubber stoppers, and a set of screens.
User Manual - PPK
Investigating Biology through Inquiry
From
CHF 83.40*
Investigating Biology through Inquiry will help you integrate inquiry into your existing biology curriculum, whether you teach high school, Advanced Placement (AP) Biology, International Baccalaureate (IB) Biology, or at the college level. It provides many possible researchable questions and sample data for your students to investigate.
Investigating Biology through Inquiry contains investigations for many fundamental concepts in biology. Each investigation includes a preliminary activity, teacher information, sample researchable questions, and sample data. Labs are correlated to AP and IB standards. Topics covered include:
Cell and Molecular Biology
Organismal Biology
Ecology
Evolution
If you are new to inquiry-based instruction, the extensive teacher sections will help guide you through the inquiry-based style of biology instruction. This book will help you integrate the recommendations of the AAAS “Vision and Change in Biology Undergraduate Education” initiative in your college course.
Skip product gallery
Similar Items
O2 Gas Sensor
CHF 489.20*
The O2 Gas Sensor can be used to monitor gaseous oxygen levels in a variety of biology and chemistry experiments. The sensor is intended for measuring gaseous, not aqueous, O2 concentration.
Specifications
Measurement Range: 0–27% (0-270 ppt)
Accuracy (@ Standard Pressure 760 mm Hg): +/- 1% O2
Typical Resolution: 0.01%
Response Time: 90% of final reading in ~12 seconds
Warm-Up Time: Less than 5 seconds
Pressure Effect:
Directly proportional
Vout = Vout (standard) x (P/1013)
Pressure range: 0.5 atm to 1.5 atm
Output Signal Range: 0.3 to 5 VDC; 2.7 to 3.8 VDC @ 21% O2
Output Impedance: 1 KΩ
Input Voltage: 5 VDC +/–0.25 VDC
Gas Sampling Mode: Diffusion
Normal Operating Temperature Range: 20°C to 30°C
Operating Temperature Range: 5 to 40°C (with calibration)
Operating Humidity Range: 0 to 95% RH
Storage Temperature Range: –20 to +60°C
Dimensions:
Sensor Tube: 45 mm length, 28 mm OD
Total length: 135 mm
What's included
Vernier O2 Gas Sensor
250 mL gas sampling bottle
User Manual - O2-BTA
Go Direct® Salinity Sensor
CHF 426.00*
The Go Direct Salinity Sensor precisely measures the total dissolved salt content of ocean or brackish water. This probe connects via Bluetooth® wireless technology or via USB to your device.
Specifications
Range of Salinity Sensor: 0 to 50 ppt (0 to 50,000 ppm)
Accuracy (factory calibration):+/-1.5 ppt below 35 ppt
+/-5.0 ppt above 35 ppt
Accuracy (user calibration):+/- 0.5 ppt within user-calibrated range
Temperature compensation: automatic from 5 to 35°C, can be turned off
Temperature range (can be placed in): 0 to 80°C
Description: dip type, abs body, parallel graphite electrodes
Dimensions: 12 mm OD and 150 mm length
What's included
Go Direct Salinity Sensor
Micro USB Cable
User Manual - GDX-SAL
Tip
New
Go Direct® Air Quality Sensor
CHF 813.40*
Shipping in June 2026The Go Direct Air Quality Sensor helps students investigate real‑world questions about the quality of the air we breathe with measurable evidence—right where they live and learn.Designed for high school and college use, this durable sensor supports indoor and outdoor monitoring so students can track pollutants over time, analyze spatial patterns, and connect air quality to human and ecological health.Make air quality tangible, local, and measurable for students. The Go Direct Air Quality Sensor transforms air quality from an abstract concept into measurable evidence in a classroom-ready form. It equips educators and students with the tools needed to investigate pollution scientifically, think systemically, and understand how environmental conditions directly affect human and ecological health—right where they live and learn. Includes 3 AP- and NGSS-Aligned LessonsUsing the Sensor: Learn different channels, remote data collection, and basic analysis. Indoor Air Quality Investigation: Analyze indoor air quality data and develop recommendations to improve it. Traffic and Outdoor Air Quality: Investigate how vehicle traffic affects air pollution. Extended Investigation Ideas Compare indoor and outdoor air quality. Monitor particulate matter near roads, parking lots, or green spaces. Analyze air quality changes during traffic peaks or daily weather shifts. Observe ozone trends on sunny vs. cloudy days. Investigate how different types of cooktops affect CO2 and PM levels. Measures Key Air Pollutants Particulate Matter (PM1, PM2.5, and PM10) Ground-Level Ozone (O3) Nitrogen Dioxide (NO2) Sulfur Dioxide (SO2) Carbon Dioxide (CO2) Volatile Organic Compound Index (VOC Index) Measures Environmental Conditions Temperature Relative Humidity Barometric and Station Pressure Key FeaturesReal-time air quality data collection via Bluetooth® wireless technology Remote data logging for long-term or remote investigations, no connection required Integrated Global Navigation Satellite System (GNSS) allows for geotagging Durable for indoor and outdoor use Remote Data Logging—Go Beyond Wireless Limits! This Go Direct sensor is capable of remote data logging! This feature allows sensors to store data directly to their internal memory—ideal for investigations that extend beyond typical connection ranges like long-term environmental monitoring or rocket launches. It works seamlessly with our award-winning Vernier Graphical Analysis® app so students can visualize their data and make key connections between abstract science concepts and real-world phenomena. Learn more about remote data logging. Rechargeable Battery—Ready When You Are The robust rechargeable battery offers long battery life and provides always-ready operation when using the sensor wirelessly. Monitor battery life directly from our award-winning Vernier Graphical Analysis® app, as well as LabQuest® 3. Should the battery run low, simply connect the sensor to the charging cable and keep on collecting—no interruptions or inconvenience to you or your students. Wireless or Wired—The Flexibility to ChooseOur Go Direct sensors connect directly to your mobile device, Chromebook™, or computer using our Vernier Graphical Analysis® app—no additional equipment or software purchases are necessary. Go Direct sensors can be used wired via USB or wirelessly via Bluetooth® wireless technology, allowing you to choose the best solution for your classroom or laboratory.Go Direct Air Quality has the following channels PM1.0PM2.5PM10CO2NO2SO2O3VOC IndexTemperatureRelative HumidityBarometric PressureStation PressureLatitudeLongitudeAltitudeSpecificationsPM Mass Concentration Specified Range: 0–1000 µg/m3PM1 size range: 0.3–1µgPM2.5 size range: 0.3–2.5µgPM10 size range: 0.3–10µgCO2 Range: 0–5,000 ppmNO2 Range: 0-2000ppb SO2 Range: 0-2000ppbO3 Range: 0-2000ppbVOC Index: 1–500Temperature Range: 10–40℃ (-10℃ min, 50℃ max short term)Relative Humidity Range: 20–80% (10% min, 90% max short term)Station Pressure Range: 260–1260hPaMaximum sampling rate: 1 sample/s