• pH Electrode

pH Electrode

  • pH Range: 0 to 14
  • Precision: 0.01
  • Connector: WP- waterproof BNC

Obtain precise pH determinations and a toughened bulb for rugged lab use with the Thermo Scientific Orion 8104BNUWP ROSS Ultra pH Electrode, a general purpose combination electrode with a top-performance glass body.


One meter cable


  • pH buffers (pH 7 ±1 to 3 pH units) Beakers, plastic or glass
  • Magnetic stirrer or Orion stirrer probe
  • Distilled or deionized water

Compatible with

BNWP connector is compatible with any standard BNC connector both on Thermo Scientific Orion Star Series meters and competitive meter models.

Recommended for

Rugged lab use and precise Q.C. measurements

All Thermo Orion electrodes are available on request.

Item Description Glass combination electrode w/toughened bulb; 120 x 12mm
pH Range 0 to 14
Precision 0.01
Operating Temperature 32° to 212°F
0° to 100°C
Material Glass body
Junction Ceramic
Filling Solution Type 3M KCl
Connector Types WP- waterproof BNC
Internal Reference ROSS
Cable Length 39.4 in.