Dissolved Oxygen Sensor for Oxygen Measurement - SE 706

  • Dissolved Oxygen Sensor for Oxygen Measurement
  • Dissolved Oxygen Sensor for Oxygen Measurement
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- Range: pO2 < 1200 mbar
- Detection limit: 6 ppb
- Accuracy: 1 % + 4 ppb
- Flow dependence: ≤ 5 %
- Perm. pressure range: 0.2 - 6 bar absolute
- Perm. temp range: 0 - 80 °C
- Temperature detector: NTC 22 kohms
- ATEX Certificate: II 1/2 GD Ex ia IIC T6/T5/T4/T3

  • Model Number: SE 706
  • Data Sheet: Date Sheet File
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Product Specification

SE 706 Dissolved Oxygen Sensor

Sensor in robust and hygienic stainless steel design, high accuracy and low detection limit, simple and fast maintenance due to special membrane


Reliable in-line measurement of dissolved oxygen, even under sterile and hygienic conditions. High signal stability. Simple maintenance due to modular design. Special membrane with steel mesh and PTFE coating. Sterilizable, autoclavable and CIP capable. Also suitable for use in hazardous locations.

 

SE 706 Dissolved Oxygen Sensor Applications
Biotechnology, pharmaceutical industry, fermentation, various fields of analytical chemistry


SE 706 Dissolved Oxygen Sensor Facts
- high level of process safety 
- durable materials
- robust design
- easy to clean thanks to extremely smooth surface
- cost-efficient service due to easy-to-replace membrane module and interior body
- hygienic design
- high resolution of 6 ppb
- operation also in hazardous locations 
- VP screw cap



SE 706 Dissolved Oxygen Sensor Specifications

Range  pO2 < 1200 mbar
Detection limit  6 ppb
Accuracy  1 % + 4 ppb
Response time at 25°C (air –> N2)  98 % full scale < 90 s
Signal in ambient air  50  110 nA
Residual signal in O2-free medium  ≤ 0.1 % of signal in ambient air
Flow dependence  ≤ 5 %
Perm. pressure range (measurement)  0.2  6 bar absolute
Mechanical pressure resistance  max. 12 bar absolute
Perm. temp range (measurement)  0  80 °C
Temp range (stability)  -5  +140 °C (steam sterilizable/autoclavable)
O-ring material  silicone (FDA&USP Class VI tested)
Membrane material  PTFE/silicone/PTFE, FDA compliant  (reinforced with steel mesh)
Process-wetted sensor parts  1.4404 stainless steel (material certificate 3.1B)
Surface roughness  N 5 (RA < 0.4 µm)
Temperature detector  NTC 22 kohms
Interior body incl. sensing electrodes  replaceable (ZU 0567)
Process adaptation  Pg 13.5
Sensor cap  VP (VarioPin)
ATEX Certificate  II 1/2 GD Ex ia IIC T6/T5/T4/T3
Certificates  3A, 3.1B (EN 10204)


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