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Location of your STELTH serial number:

The serial number can be found in one or more of these locations on all STELTH reference electrodes:

  • Printed on a waterproof label on the reference electrodes itself
  • Models with wire: Printed on shrink tube around the wire at the base of your STELTH.


The STELTH Testing Process

Read more about the extensive, individual testing every STELTH reference electrode goes through before it earns its Calibration Certificate:

Unique Features of BORIN STELTH Reference Electrodes