The CO2 Gas Sensor (CO2-BTA) and Go Direct® CO2 Gas Sensor (GDX-CO2) have holes in the shaft of the sensor to allow airflow through the sensing element, however, it is possible for debris or small animals to enter these holes if precautions are ...
Go Direct® CO2 Gas Sensor (GDX-CO2)
Specifications and User Guide
Note: This information is for the Go Direct CO₂ Gas Sensor. For information regarding the CO2 Gas Sensor (CO2-BTA), see CO₂ Gas Sensor Troubleshooting and ...
(This information refers to the LEGO NXT robotics system. The information should be similar for LEGO EV3. However, this has not been tested.)
There is a way to connect a CO2 sensor to an NXT mindstorm, but it will require that you are comfortable ...
If you want to use a Vernier CO₂ Gas Sensor and a Vernier ethanol sensor to show that CO₂ gas and Ethanol are both produced during fermentation, you should use the following protocol. Please note that you will need a BioChamber 2000 (BC-2000), a...
The CO₂ Gas Sensor is a Gas sensor. You will ruin the sensor if it is placed in water or other solutions. Do not place any of our CO₂ Gas Sensors into water or solutions.
To measure dissolved CO₂ in water or other fluids, you need a dissolv...
CO2 Gas Sensor (CO2-BTA)
Specifications and User Guide
Which CO₂ Gas sensor do I have?There have been three versions of wired CO₂ Gas Sensors. One model was sold up to about January 2007, then replaced with another model from...
It is recommended that you wash the Nalgene bottles by hand. This includes 250 mL Nalgene Bottle w/Lid (CO2-BTL) and the BioChamber 250 (BC-250).
The bottles are made of Polyethylene terephthalate G copolymer (PETG). The maximum temperature the bo...
The calibration equations for the CO2 Gas Sensors are listed below. They are divided into the old model (square body, pre-2007) and newer model (rounded body, post-2007).
Sensor 'CO2 Gas' (-DIN and -BTA, pre-2007)
Calibration 'CO2 ppm':
...
Yes, CO2 gas concentration can be expressed in units of mg/m³. However, the value is dependent upon temperature and pressure.
At Standard Ambient Temperature and Pressure (SATP) of 25°C and 100 kPa, the conversion is:
1 ppm CO2 = 1.7758 mg/m³
L...
This lab is typically done with whole leaves (from spinach or other plants) that are placed in our small BioChamber.
In the presence of sufficient light of the correct wavelengths, the leaves in the chamber should produce O₂ and should consume ...