• Dissolved Oxygen Sensor
  • Dissolved Oxygen Sensor
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Dissolved Oxygen Sensor

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  • Price

    Price on request   ≥1piece

  • Model Number

    SE 707

  • Data Sheet

  • Package

    Original packaging

  • Specs

    SE 707

  • Quantity

    - +

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Product Description

SE 707 Dissolved Oxygen Sensor
Reliable measurement of oxygen traces, also under sterile and hygienic conditions; signal-stable and robust

High resolution of low oxygen concentra-tions, simple and cost-efficient sensor cali- bration in ambient air. No calibration gases. High signal stability, also in the presence of high CO2 partial pressures.
FDA-conforming material with extremely smooth polished surface.
Simple main tenance due to modular design. Sterilizable, autoclavable, and CIP capable. Also  suitable for hazardous locations.

SE 707 Dissolved Oxygen Sensor Applications
Beverage filling (e.g. milk, beer), measurement in boiler feed water (detection limit 1 ppb)

SE 707 Dissolved Oxygen Sensor Facts
 - high level of process safety
 - durable materials
 - robust design
 - easy to clean thanks to extremely smooth surface
 - very simple calibration in air without calibration gases
 - cost-efficient service due to easy-to-replace membrane module and interior body
 - hygienic design
 - very high resolution of 1 ppb in the trace range
 - low cross-sensitivity to CO2
 - operation also in hazardous locations
 - VP screw cap

SE 707 Dissolved Oxygen Sensor Specifications

Range

 pO2 < 1200 mbar

Detection limit

 1 ppb (3 ppb in liquids containing CO2 )

Accuracy

 1 % + 1 ppb (1 % + 3 ppb in liquids containing CO2 )

Response time at 25℃ (air -> N2 )

 98 % full scale < 90 s

Signal in ambient air

 290 ~ 500 nA

Residual signal

 in O2 -free medium: ≤ 0.01 % of signal in ambient air 

 in CO2: ≤ 0.03 % of signal in ambient air

Flow dependence

 ≤ 5 %

Permissible pressure range (measurement)

 0.2 ~ 6 bar absolute

Mechanical pressure resistance

 max. 12 bar absolute

Permissible temperature range (measurement)

 0 ~ 80℃

Temperature range (stability)

 -5 ~ +121℃ (steam sterilizable/autoclavable)

O-ring material

 silicone (FDA&USP Class VI tested)

Membrane material

 PTFE/silicone/PTFE, FDA comp. (reinforced w. 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. electrodes

 replaceable (ZU 0568)

Sensor cap

 VP (VarioPin)

ATEX Certificate

 II 1/2 GD Ex ia IIC T6/T5/T4/T3

Certificates

 3A, 3.1B (EN 10204/3.1.B)