• 3-in-1 pH / Automatic Temperature Compensation Probe

3-in-1 pH / Automatic Temperature Compensation Probe

  • pH Range : 0 to 14
  • Connections: BNC Waterproof

Operate the highly-versatile Thermo Scientific Orion 9107BNMD Triode 3-in-1 pH/Automatic Temperature Compensation Probe in either the field or a plant.

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:

ATC for Orion STAR A111, STAR A121, STAR A211, STAR A221, STAR A321, Dual Star, & Versa Star


110 x 12mm, Cap diameter: 16mm


6 months from date of purchase by Buyer or 12 months from date of shipment from Seller, whichever is earlier.

All Thermo Orion electrodes are available on request.

Body Diameter 0.47 in.
12 mm
Cap Diameter 16 mm
Junction Wick
Length 4.7 in.
120 mm
Material Epoxy
pH Range 0 to 14
Reference Type Ag/AgCl
Operating Temperature 32° to 194°F
0° to 176°C
Connections BNC Waterproof
Cable Length 1.5 m
Type pH/ATC Probe, BNC waterproof connector
For Use With Dual Star
Orion STAR A111
Orion STAR A121
Orion STAR A211
Orion STAR A221
Orion STAR A321
Versa Star