Vernier Go Direct GDX-EA Quick Start Manual

®
Go Direct Electrode
Amplifier
(Order Code GDX-EA)
Use our Go Direct Electrode Amplifier to collect data with almost
any electrode that has a BNC connector. This includes electrodes
from Vernier, such as our pH electrodes, ion-selective electrodes
(ISE), or oxidation-reduction potential (ORP) electrode. The Go
Direct Electrode Amplifier can produce an output in mV, pH (when using a pH
electrode).
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
Go Direct Electrode Amplifier
l
Micro USB Cable
l
Compatible Software
See
www.vernier.com/manuals/gdx-ea
Direct Electrode Amplifier.
Getting Started
Please see the following link for platform-specific connection information:
www.vernier.com/start/gdx-ea
Bluetooth Connection
1. Connect a BNC electrode to the
amplifier.
2. Install Vernier Graphical Analysis
on your computer, Chromebook™,
or mobile device. See
www.vernier.com/ga for software
availability.
3. Charge your sensor for at least
2 hours before first use.
4. Turn on your sensor by pressing
the power button once. The
®
Bluetooth LED will blink red.
5. Launch Graphical Analysis.
6. Click or tap Sensor Data
Collection.
7. Click or tap your Go Direct sensor
from the list of Discovered
for a list of software compatible with Go
USB Connection
1. Connect a BNC electrode to the
amplifier.
®
2. If using a computer or Chromebook,
install Graphical Analysis. If using
LabQuest, make sure LabQuest App
is up to date. See
www.vernier.com/ga for Graphical
Analysis availability or
www.vernier.com/downloads to
update LabQuest App.
3. Connect the sensor to the USB port.
4. Launch Graphical Analysis or turn on
LabQuest. You are now ready to
collect data.
5. This is a multi-channel sensor. To
change the default channel selections,
see www.vernier.com/start/gdx-ea
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.
8. 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.
9. Click or tap Done to enter
data-collection mode.
Charging the Sensor
Connect the Go Direct Electrode Amplifier to the included USB micro cable and
any USB device for two hours.
You can also charge up to eight Go Direct Electrode Amplifiers using our Go
Direct Charge Station, sold separately (order code: GDX-CRG).
Charging
Fully charged
Powering the Sensor
Turning on the sensor
Putting the sensor in sleep
mode
1
Note: This sensor does not work with
the original LabQuest. It works with
LabQuest 2 or LabQuest 3.
Blue LED is on steady while sensor is connected
to the Charging Cable or Charge Station.
Blue LED is off when charging is complete.
Press button once. Red LED indicator flashes
when unit is on.
Press and hold button for more than three seconds
to put into sleep mode. Red LED indicator stops
flashing when sleeping.