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NEOFOX Optical Oxygen Sensor Electronics

$2,841.00 $2,272.00

SKU: NEOFOX-GT Categories: ,

Description

The Neofox system uses phase fluorometery electronics to measure the fluoescence day, and the quenching effects of O2, on any of our ZERO DRIFT optical sensors. The unit includes a USB cable and software for running the system from a PC. Analog and digital outputs are also available. Comes with NEOFOXVIEWER operating software.

 

Dimensions107.95 x 63.5 x 38.1 mm
Weight642 g
PrinciplePhotoluminescence quenching using a ruthenium or platinum compound: sensor measures O2 partial pressure
Parameters measuredLuminescence phase shift, AC luminescence intensity temperature (via optional external thermistor) and pressure (via onboard pressure transducer)
Sensor coating formulationsGeneral purpose (AP), fast response (MR) and hydrocarbon-ready (HCR)
MediaGases and liquids
CommunicationsUSB, analog out
External Power Supply Voltage4.5 – 5.5 V (5.0 V typical)
Power Consumption2.5 W (5 V External Power, Charging, Typical)
Data Logging Rate, Maximum10 Hz
4-20 mA Output Accuracy at 25 ºC± 160 µA
0-5 V Output Accuracy at 25 ºC± 50 mV
Electronics Operating Temperature0 – 55 ºC

 

Sensor specifications used with Neofox

 

AP formulation

Polystyrene matrix

HCR formulation

Sol Gel matrix

MR formulation

Sol Gel matrix

Response RateT90 = 3 secT90 = 1 secT90 = 1 sec
Dynamic Range (gas)0 – 760 mmHg

0 – 100% (at 1 atm)

0 – 760 mmHg

0 – 100% (at 1 atm)

0 – 760 mmHg

0 – 100% (at 1 atm)

Dynamic range (DO)0 – 40 ppm in H2O0 – 40 ppm in H2O0 – 40 ppm in H2O
Resolution (gas)0.04 mmHg

0.005% (at 1 atm)

0.4 mmHg

0.05% (at 1 atm)

0.4 mmHg

0.05% (at 1 atm)

Resolution (DO)0.002 ppm in H2O0.002 ppm in H2O0.002 ppm in H2O
Accuracy5% of reading5% of reading5% of reading
LDL (gas)0.04 mmHg

0.005% (at 1 atm)

0.4 mmHg

0.05% (at 1 atm)

0.4 mmHg

0.05% (at 1 atm)

LDL (DO)0.002 ppm in H2O0.002 ppm in H2O0.002 ppm in H2O
Drift rateNo measureable long term drift, continuous operation0.0001 % /hr in gas0.0001 % /hr in gas
Sensor Operating Temperature-50 to 100C-50 to 200C-50 to 200C
Useful Lifetime3 years3 years3 years
CompatibilityGeneral purpose gases and aqueous solutionsOrganic solventsGeneral purpose gases and aqueous liquids
Water Vapor Interferencenoyesno
FormatsDip coated fibers

Spin coated patches & probes

Dip coated fibers

Spin coated patches & probes

Dip coated fibers

Spin coated patches & probes

CommentsBest general purpose probe, longer fluorescence decay yields more resolution, zero drift means stable calibrationsUsed for organic solvents and gases with organic vapors.  This sensor does respond to water vapor as well as O2General purpose but with faster response rate than AP chemistry. Does exhibit long term photo-bleaching drift and has less resolution.

Additional information

Weight4 lbs
Dimensions13 x 13 x 6 in

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