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Thermo Scientific™ Orion™ 9157BNMD Triode™ 3-in-1 pH/ATC Probe Available on GSA/VA Contract for Federal Government customers only.

Operate this highly-versatile probe in either the field or a plant.

Manufacturer:  Thermo Scientific™ 9157BN

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Catalog No. 13-641-259

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Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.



Operate the highly-versatile Thermo Scientific™ Orion™ 9157BNMD Triode™ 3-in-1 pH/ATC Probe in either the field or a plant.

  • Material: epoxy body
  • pH range: 0 to 14
  • Temperature range: 0° to 90°C
  • Junction: glass fiber
  • Type reference: Ag/AgCl
  • Has an Ag/AgCl internal reference system, sealed reference


  • One 60smL bottle of 900011 fill solution
  • Dimensions: 120 x 12mm
  • Cap diameter: 16mm


Description & Specifications


Orion pH Meter (field or plant-use)
0.47 in.
4.7 in.
0° to 90°C
ideal for field or plant use.
BNC connector; Glass fiber junction; Refillable
Glass Fiber
0 to 14
32° to 194°F
pH/ATC Probe, BNC connector
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