Oxygen Sensor Patches (5/pk) SEOX-PATCH-A Zero Drift AP

Sensor patches for non-invasice sensing of O2. Oxygen sensitive AP chemistry clear 1/4" OD x 0.076mm (thin) or 0.76mm (thick) acrlic discs. Pack of 5.  The discs may be glued to clear containor walls with RTV silicone or other clear glue. Us the SEOX-BB-125 reflection probe nd Neofox electronics.

Optional overcoats include:

W  white reflective overcoat - boosts the optical signal and minimizes refractve index effect on the sensor (reading in gas vs liquid). Slows the response to a few seconds.

BA  black acrylic eliminates ambient light interference, slows response to a few seconds

BS  black medical grade silicone. Eliniates ambient light and protects sensor from agressive chemicals such as oxidizers

note: for working in organic solvents, choose the HCR patches.

 

AP formulation
(polymer)

HCR formulation
(sol gel)

MR formulation
(sol gel)

Response rate of probes

T90 = 3 seconds

T90 = 1 second

T90 = 1 second

Response rate of patches

T90 = 0.1-0.3 seconds

T90 = 0.1-0.2 seconds

T90 = 0.1-0.2 seconds

Dynamic range in gas

0-100% O2/0-760 mmHg O2

0-100% O2/0-760 mmHg O2

0-100% O2/0-760 mmHg O2

Dynamic range in water (DO)

0-40 ppm (wt)

0-40 ppm (wt)

0-40 ppm (wt)

Dynamic range in other liquids

0-oxygen saturation level

0-oxygen saturation level

0-oxygen saturation level

Resolution in gas

0.005% O2 / 0.04 mmHg

0.05% O2 / 0.4 mmHg

0.05% O2 / 0.4 mmHg

Resolution in water (DO)

0.002 ppm (wt) / 2.0 ppb (wt)

0.02 ppm (wt) / 20 ppb (wt)

0.02 ppm (wt) / 20 ppb (wt)

Resolution in other liquids

0.005% of oxygen saturation level

0.05% of oxygen saturation level

0.05% of oxygen saturation level

Accuracy

5% of reading

5% of reading

5% of reading

Lowest detectable level (gas)

0.005% O2 / 0.04 mmHg

0.05 % O2 / 0.4 mmHg

0.05 % O2 / 0.4 mmHg

Lowest detectable level (water)

0.002 ppm (wt) / 2.0 ppb (wt)

0.02 ppm (wt) / 20 ppb (wt)

0.02 ppm (wt) / 20 ppb (wt)

Lowest detectable level in other liquids

0.005% of oxygen saturation level

0.05% of oxygen saturation level

0.05% of oxygen saturation level

Sensor drift

Zero drift long term continuous operation

0.0001 O2% per hour

0.0001 O2% per hour

Operating temperature

-50 to + 100 C

-50 to + 120

-50 to + 120

Probe lifetime

1 year before refurbishing

1 year before refurbishing

1 year before refurbishing

 

 

 

 

 

Zero Drift O2 sensor patches - Spectrecology
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  • Item #: SEOX-PATCH-A
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Price $150.00

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