
1
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. Click or tap Done to enter data-
collection mode.
Charging the Sensor
Connect the Go Direct Tris-Compatible Flat pH Sensor to the included Micro
USB Cable and any USB device for two hours. Connecting the Go Direct
pH BNC Electrode to the electrode amplifier during charging is optional.
You can also charge up to eight Go Direct Tris-Compatible Flat pH Sensors
using our Go Direct Charge Station, sold separately (order code: GDX-CRG).
An LED on each Go Direct Tris-Compatible Flat pH Sensor 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.
Go Direct
®
Tris-
Compatible Flat pH
Sensor
(Order Code GDX-FPH)
The Go Direct Tris-Compatible Flat pH Sensor can be used for any lab or
demonstration that can be done with a traditional pH meter, including acid-base
titrations, monitoring pH in an aquarium, and investigating the water quality of
streams and lakes. It can also be used to measure the pH of semi-solids such as
soil slurries.
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 Tris-Compatible Flat pH Sensor (Go Direct Electrode Amplifier
connected to a Go Direct Tris-Compatible Flat pH BNC Electrode)
l
Electrode storage bottle, containing pH 4/KCl solution
l
Micro USB Cable
Compatible Software
See
www.vernier.com/manuals/gdx-fph
for a list of software compatible with the
Go Direct Tris-Compatible Flat pH Sensor.
Getting Started
Please see the following link for platform-specific connection information:
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
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
1. Install Graphical Analysis 4 on your
computer or Chromebook. If using
LabQuest 2, make sure LabQuest
App is up to date. See
www.vernier.com/ga4 for software
availability or
www.vernier.com/downloads to
update LabQuest App.
2. Connect the sensor to the USB port.
3. Launch Graphical Analysis 4 or turn
on LabQuest 2. You are now ready
to collect data.