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Inline pCO2 sensor for biotechnological and other applications

This inline dissolved CO2 probe is able to measure from 10 mbar up to 800 mbar (approximately 0.145 - 11.6 psi) pCO2. The electrode design and the materials used in its production ensure reliable performance over its lifetime. This sensor only requires minimal maintenance for upkeep purposes.

The probe shaft is made of stainless steel (316S) with an exchangeable silicone membrane. The dissolved carbon dioxide probe can be used in hygienic environments; compliance with cGMP and FDA regulations is fulfilled as this sensor is designed for CIP, SIP, and autoclave conditions.

Key Benefits

  • Sustainable performance even under harsh conditions and frequent autoclaving
  • Minimal maintenance thanks to innovative sensor design and replaceable membrane cap
  • Stable measurement results over the entire application time due to low drift and short response time
  • Reliable measurement results with the optimized design and proven materials

Technical Specifications



Measuring range with high accuracy level

10 – 800 mbar pCO2



Shaft material

Stainless steel (316S), Ra ≤ 0.4

Temperature sensor


Temperature range (autoclavable)

0 – 60 °C

High temperature

<20 min 121°C

Pressure (absolute) during measurement

0.2 - 2 bar 


Shaft diameter (mm)



Sensor connector

VarioPin, PG 13.5

Output signal


Min. Immersion

depth (mm)



Length (mm)

120, 220, 320



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