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石油化工 — MS SE 707 Memosens Oxygen Sensor

Surface roughness:

High resolution of low oxygen concentrations,
simple and cost-efficient sensor calibration
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 maintenance due to modular design.
Sterilizable, autoclavable, and CIP capable.
Also suitable for hazardous locations.

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Facts
–– perfect galvanic isolation thanks to
Memosens technology

–– precalibration in the lab
–– no influence of humidity in the connector
–– digital data transfer
–– integrated sensor diagnostics
–– 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

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





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 °C (air –> N2):98 % full scale < 90 s
Signal in ambient air:290 … 500 nA
Residual signal:in oxygen-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
Perm. temp range (measurement):0 … 80 °C
Temp range (stability):–5 … +121 °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. electrodes:replaceable (ZU 0568)
Sensor cap:Memosens
ATEX Certificate:II 1 G Ex ia IIC T3/T4/T6
Certificates:3A, 3.1 (EN 10204)


Dimension Drawing

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