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Semi-Micro pH Electrode (Glass Body, KCl Filled)

14,079.00

The Semi-Micro pH Electrode from TOSHCON is a precision glass body electrode specially designed for pH measurement in small-volume samples and narrow vessels. Its semi-micro design delivers fast response, excellent stability, and highly accurate measurements for laboratory, pharmaceutical, research, and environmental applications.

Developed with advanced electrochemistry technology, the electrode incorporates IOREF reference technology, a ceramic diaphragm, and a durable glass shaft. It is ideal for applications requiring minimal sample volume while ensuring reliable and repeatable pH analysis.

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Specifications

Technical Specifications

Technical Specification Value
pH Range 0–14
Operating Temperature -5 to 80°C
Slope 59 ±3 mV (95–105%) at 25°C
Zero Point pH 7
Asymmetry Potential 0 ±25 mV
Response Time < 20 sec for 95% response from pH 7.00 to pH 4.01
Stability < 3 mV drift/24 hours in pH 7 buffer
Membrane Glass Impedance < 200 MΩ at 25°C
Membrane Glass Green
Minimum Volume Requirement 0.2 mL
Diaphragm Ceramic
Number of Junctions Single
Reference System SREF+
Reference Electrolyte KCl
pH Storage Solution Saturated KCl / TOSHCON Storage Solution
Shape of Membrane Spherical
Shaft Size (Length × Diameter) 80 × 12 mm & 40 × 6 mm
Shaft Material Glass
Connector Type Cap with BNC, Low-Noise Coaxial Cable, S8, or any other connector as required
Suitability Compatible with most makes and models of pH instruments

Features

  • Semi-micro design for small sample volumes and narrow containers
  • Glass body with KCl-filled reference system
  • Fast response time of less than 20 seconds
  • Advanced IOREF reference technology for improved stability
  • Green fast-response glass membrane
  • Ceramic diaphragm with single junction
  • Low-noise BNC connector with multiple cable length options
  • Compatible with most laboratory pH meters
  • Suitable for low-volume and research applications

Benefits

  • Delivers accurate and stable pH measurements even with very small sample volumes.
  • Slim glass body allows easy use in narrow vessels and laboratory glassware.
  • Provides reliable performance with low drift and fast response for routine and research analysis.
  • Ideal for pharmaceutical, environmental, food, chemical, academic, and water testing laboratories.

Ordering Code

Cap / Connector

Option Code
Cap S8
Ordering Code Sensablack Micro-X-X

Cable Length for Cap Electrode

Cable Length Code
0.75 m —
1 m 1
2 m 2
3 m 3

Ordering Code

Description Value
Ordering Code Sensablack Micro-X-X
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