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Vernier® Tris-Compatable Flat pH Sensor

Durable and easier to maintain than other pH sensors.

  • Sturdier that other pH probes
  • Easier to clean
Measure the pH of a solution or semisolid. Unlike other pH sensors, this one has a flat glass membrane versus the typical glass bulb, making this sensor more sturdier and easier to clean while allowing for smaller sample sizes or flat surface measurements. This sensor is compatible with Tris buffers and any solution containing sulfides or proteins as it features a sealed, gel-filled, double-junction electrode Use this in conjunction with the Vernier LabQuest, LabQuest Mini, Vernier LabPro, Vernier Go! Link, Vernier EasyLink, Vernier SensorDAQ, and CBL 2.

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)
Cable: 1 meter coaxial cable with BNC connector

20 kΩ at 25ºC

For educational use only.



Item # Description Unit Availability Price Quantity
470017-604 Vernier Tris-Compatable Flat pH Sensor
Each Retrieving


Range 0– 100ºC (temperature), 12 mm OD, pH: 0–14 (Some sodium error in ranges greater than pH 12)
Response Time 98% of full response in 30 s at 25ºC


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