Vernier Software and Technology
Vernier Software & Technology

Electrode Amplifier

Electrode Amplifier product image

Use an Electrode Amplifier to collect data from almost any electrode that has a BNC connector. This includes electrodes from Vernier such as our pH electrode, or third-party electrodes, such as pH, ISE (ion-selective electrode), or ORP (oxidation-reduction potential).


  • Power: 7 mA @ 5VDC
  • Input: range –450 mV to +1100 mV
  • Impedance: 100 MΩ
  • Gain: 2.2 V/V
  • Offset: 1.20 V (nominal)
Download the user manual for full specifications

Compatibility Requirements

The Electrode Amplifier may require a compatible interface and software. Choose a platform below to see compatible interface and software options.

What’s Included

Ordering Information

All prices are for U.S. educators.

NameOrder CodePriceQuantity
Electrode AmplifierEA-BTA$40
Optional Accessories
Ammonium Ion-Selective Electrode BNCNH4-BNC$187
Calcium Ion-Selective Electrode BNCCA-BNC$187
Chloride Ion-Selective Electrode BNCCL-BNC$187
Flat pH Electrode BNCFPH-BNC$69
Glass-Body pH Electrode BNCGPH-BNC$85
Nitrate Ion-Selective Electrode BNCNO3-BNC$187
ORP Electrode BNCORP-BNC$41
pH Electrode BNCPH-BNC$41
Potassium Ion-Selective Electrode BNCK-BNC$187


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Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »

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