General Laboratory and Field Samples

  • Plastic-body pH electrodes, either refillable or gel-filled, are ideal for field measurement. 
  • The glass membrane of refillable electrode offers excellent response to low conductivity water. When the refilling port is covered with the movable slider, the electrode can be used in submerged measurements for up to 30 minutes in 1m depth of water. 
  • Gel-filled pH electrode does not require refilling.
  • ToupH electrodes are more impact-resistant than conventional glass-body pH electrodes due to their thick glass membrane. These electrodes are recommended for general laboratory samples.

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