Milwaukee MA991B/1 Glass pH Replacement Probe

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SKU: MA991B/1
For Meter(s): All Milwaukee BNC pH Meters
Measuring Range: 0 - 13 pH

The Milwaukee MA991B/1 is a lab grade single junction, gel filled glass replacement pH Probe for any Milwaukee BNC connector meter  This electrode is designed for the education market, is easy-to-clean and great for students to learn with.  The MA991B/1 has a glass body, high impedance, low maintenance (no refilling required) and is designed for fast accurate response.  It comes with a 1 meter (3') cable, BNC connector and can withstand temperatures to -5 to 70°C (23 to 158°F) (meter(s) sold separately).

The probe connects quickly and tightly with a BNC connector. No worries of slipping off.



  • pH Range: 0 to 13
  • Temperature Range: 23 to 104°F (-5 to 40°C)
  • Shaft: Glass
  • Reference Electrolyte: Gel, KCL 3.5 m
  • Reference Junction: ceramic, single
  • Reference Type: single, Ag/AgCl
  • Shape of Membrane: Spheric
  • Maximum Pressure: 0.1 Bar
  • Connector Type: BNC
  • Cable Length: 3 Feet (1 meter)
  • Shaft Length: 4.72 inches (120 mm)
  • Diameter: 0.47 inches (12 mm)