Instructions

ManualsBrandsVernier ManualsEnvironmental Testing EquipmentVernier GDX-CO2 Carbon dioxide detector

Bluetooth

LED will blink red.

4. Launch Graphical Analysis 4.

5. Click or tap Sensor Data

Collection.

6. Click or tap your Go Direct sensor

from the list of Discovered

Wireless Devices. Your sensor's ID

is located near the barcode on the

sensor. The Bluetooth LED will

blink green when it is successfully

connected.

7. This is a multi-channel sensor. The

active channel is listed in the

Connected Devices Sensor

Channels list. To change channels,

select the check box next to the

Sensor Channel(s) you would like

to activate.

8. Click or tap Done to enter

data-collection mode.

3. Launch Graphical Analysis 4 or turn

on LabQuest 2. You are now ready

to collect data.

4. This is a multi-channel sensor. To

change the default channel

selections, see

www.vernier.com/start/gdx-co2

Charging the Sensor

Connect Go Direct CO

Gas to the included Micro USB Cable and any USB

device for two hours.

You can also charge up to eight Go Direct CO

Gas Sensors using our

GoDirect Charge Station, sold separately (order code: GDX-CRG). An LED on

each Go Direct CO

Gas indicates charging status.

Charging

Blue LED on steady while sensor is connected to

the Micro USB Cable or Charge Station.

Fully charged

Blue LED is off when charging is complete.

Powering the Sensor

Turning on the sensor

Press button once. Red LED indicator flashes

when unit is on.

Putting the sensor in sleep

mode

Press and hold button for more than three

seconds to put into sleep mode. Red LED

indicator stops flashing when sleeping.

Connecting the Sensor

See the following link for up-to-date connection information:

www.vernier.com/start/gdx-co2

Go Direct

Gas

(Order Code GDX-CO2)

Go Direct CO

Gas measures carbon dioxide concentration, temperature, and

relative humidity. This sensor includes built-in temperature compensation and

humidity protection. A 250 mL Nalgene bottle is included for running

controlled experiments with small plants and animals.

Go Direct CO

Gas is ideal for the following experiments:

l Measure the change in CO

gas concentration during cellular respiration.

l Measure the change in CO

gas concentration during photosynthesis.

l Study the effect of temperature on cell respiration or metabolism of

organisms.

l Study how yeast metabolize different sugars.

l Investigate artificial selection by comparing respiration rates of different

yeast strains.

Note: Vernier products are designed for educational use. Our products are not

designed nor are they recommended for any industrial, medical, or commercial

process such as life support, patient diagnosis, control of a manufacturing

process, or industrial testing of any kind.

What's Included

l GoDirect CO

Gas

l Micro USBCable

l 250 mL Nalgene Bottle w/Lid

Compatible Software

See www.vernier.com/manuals/gdx-co2 for a list of software compatible with

GoDirect CO

Gas.

Getting Started

Please see the following link for platform-specific connection information:

www.vernier.com/start/gdx-co2

Bluetooth Connection USB Connection

1. Install Graphical Analysis 4 on

your computer, Chromebook™, or

mobile device. See

www.vernier.com/ga4 for software

availability.

2. Charge your sensor for at least

2hours before first use.

3. Turn on your sensor by pressing

the power button once. The

1. If using a computer or Chromebook,

install Graphical Analysis 4. If using

LabQuest 2, make sure LabQuest

App is up to date. See

www.vernier.com/ga4 for Graphical

Analysis 4 availability or

www.vernier.com/downloads to

update LabQuest App.

2. Connect the sensor to the USB port.

Summary of content (5 pages)

PAGE 1
Go Direct CO2 Gas ® 4. 5. (Order Code GDX-CO2) 6. Go Direct CO2 Gas measures carbon dioxide concentration, temperature, and relative humidity. This sensor includes built-in temperature compensation and humidity protection. A 250 mL Nalgene bottle is included for running controlled experiments with small plants and animals. Go Direct CO2 Gas is ideal for the following experiments: Measure the change in CO2 gas concentration during cellular respiration.
PAGE 2
Connected and charging Calibrating the Sensor Blue and Green LED solid when sensor is connected to Graphical Analysis via USB and unit is charging. (Green LED is obscured by the blue one.) Connected, fully charged Green LED solid when sensor is connected to Graphical Analysis via USB and the unit is fully charged. Charging via USB, connected via Bluetooth Blue LED is solid and green LED is flashing, but the green flashing LED looks white because it is overwhelmed by the blue.
PAGE 3
Accuracy ±0.5°C Resolution 0.1°C lifespan. If possible, store the device in an area that is not exposed to temperature extremes. Note: It is recommended that you wash the Nalgene bottle by hand. Most dishwashers will melt plastic bottles. Relative Humidity Sensor Type IC Water Resistance Range 0 to 100% (non-condensing) Important: Go Direct CO2 Gas is neither waterproof, nor is it water resistant, and should never be immersed in water. Accuracy ±5% or better Resolution 0.
PAGE 4
l l l l l l l l Accessories/Replacements The sensor has built-in temperature compensation but the sensor can still be sensitive to rapid and/or large changes in temperature. The sensor is designed to operate best between 20 and 40°C. This does not prohibit the sensor from being used in temperatures outside this range. Just allow enough time for the sensor to stabilize at the desired air temperature. For more accurate results, the sensor can be calibrated at the temperature used.
PAGE 5
The equipment complies with RF exposure limits set forth for an uncontrolled environment. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment. IC Statement This device complies with Industry Canada license-exempt RSS standard(s).