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Thermo Scientific™ Orion™ Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe

Operate the highly-versatile 3-in-1 pH/automatic Ttemperature compensation probe in either the field or a plant.

Manufacturer:  Thermo Scientific™ 9107BN

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Catalog No. 13-642-545

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Operate the highly-versatile Thermo Scientific™ Orion™ Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe in either the field or a plant. Probe contains a low-maintenance, gel-filled electrode with built-in ATC.


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

Recommended for use with:
9107BN & 9107WP = ATC for Orion A/A+ models 210, 230, 250, 410, 420, 520, 525, 710, 720, & 920
9107BNMD, 9107WMMD, 9107WLMD = ATC for Orion STAR A111, STAR A121, STAR A211, STAR A221, STAR A321, Dual Star, & Versa Star


110 x 12mm, Cap diameter: 16mm



0 to 14
The Thermo Scientific Orion 9107BN Triode 3-in-1 pH/automatic temperature compensation probe has a low maintenance gel filled electrode with built-in ATC.For field or plant use.
pH/ATC Triode
12 mm
120 mm
32°F to 194°F
pH/ATC Probe, BNC Connector
0°C to 176°C
Orion A/A+ models 210, 230, 250, 410, 420, 520, 525, 710, 720, 920
0.47 in.
16 mm
4.7 in.
1 m
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