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A highly versatile sensor that is durable, easy to clean, and allows for flat surface measurements or smaller sample sizes. It features a sealed, gel-filled, double-junction electrode, making it compatible with Tris buffers and solutions containing proteins or sulfides. The flat glass shape also makes it useful for measuring the pH of semisolids. The rechargeable battery offers long battery life. Go Direct® sensors can be used wired via USB or wirelessly via Bluetooth® technology.

Product Details
The Go Direct® Flat pH Sensor is a highly versatile sensor. Because the glass membrane is flat instead of a bulb, it is more durable, easier to clean, and allows for flat surface measurements or smaller sample sizes. It features a sealed, gel-filled, double-junction electrode, making it compatible with Tris buffers and solutions containing proteins or sulfides. The flat glass shape also makes it useful for measuring the pH of semisolids, such as food or soil slurries. This sensor is comprised of a pH electrode connected to a Go Direct® Electrode Amplifier via a BNC connector.

Product Features
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 the award-winning Vernier Graphical Analysis® app, as well as the LabQuest® 3 device. 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 Choose
The Go Direct® sensor connects directly to your mobile device, Chromebook® computer, desktop computer, or tablet using the Vernier Graphical Analysis® app—no additional equipment or software purchases are necessary. The sensor also can be used wired via USB or wirelessly via Bluetooth® technology, allowing you to choose the best solution for your classroom or laboratory.

Specifications

• Range: pH, 0 to 14 (some sodium error in ranges greater than pH 12 due to thicker glass and higher impedance values)
• Electrode type: Double-junction, sealed, gel-filled, Ag/AgCl reference, polycarbonate body
• Membrane style: Flat glass
• Storage solution: pH 4/KCl solution (10 g KCl in 100 mL buffer pH 4 solution)
• Connections: Wireless, Bluetooth®; wired, USB
• Software: Requires Vernier Graphical Analysis® software (for iOS®, Android®, Chrome®, Windows®, and MacOS®), available on the Vernier® website
• Warranty: 5-year limited warranty on sensor (1 year on battery)

Note: Vernier® products are designed for educational use. They 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.