NEOFOX Optical Oxygen Sensor Electronics

$2,758.00

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.

 

Dimensions 107.95 x 63.5 x 38.1 mm
Weight 642 g
Principle Photoluminescence quenching using a ruthenium or platinum compound: sensor measures O2 partial pressure
Parameters measured Luminescence phase shift, AC luminescence intensity temperature (via optional external thermistor) and pressure (via onboard pressure transducer)
Sensor coating formulations General purpose (AP), fast response (MR) and hydrocarbon-ready (HCR)
Media Gases and liquids
Communications USB, analog out
External Power Supply Voltage 4.5 – 5.5 V (5.0 V typical)
Power Consumption 2.5 W (5 V External Power, Charging, Typical)
Data Logging Rate, Maximum 10 Hz
4-20 mA Output Accuracy at 25 ºC ± 160 µA
0-5 V Output Accuracy at 25 ºC ± 50 mV
Electronics Operating Temperature 0 – 55 ºC

 

Sensor specifications used with Neofox

 

AP formulation

Polystyrene matrix

HCR formulation

Sol Gel matrix

MR formulation

Sol Gel matrix

Response Rate T90 = 3 sec T90 = 1 sec T90 = 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 H2O 0 – 40 ppm in H2O 0 – 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 H2O 0.002 ppm in H2O 0.002 ppm in H2O
Accuracy 5% of reading 5% of reading 5% 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 H2O 0.002 ppm in H2O 0.002 ppm in H2O
Drift rate No measureable long term drift, continuous operation 0.0001 % /hr in gas 0.0001 % /hr in gas
Sensor Operating Temperature -50 to 100C -50 to 200C -50 to 200C
Useful Lifetime 3 years 3 years 3 years
Compatibility General purpose gases and aqueous solutions Organic solvents General purpose gases and aqueous liquids
Water Vapor Interference no yes no
Formats Dip coated fibers

Spin coated patches & probes

Dip coated fibers

Spin coated patches & probes

Dip coated fibers

Spin coated patches & probes

Comments Best general purpose probe, longer fluorescence decay yields more resolution, zero drift means stable calibrations Used for organic solvents and gases with organic vapors.  This sensor does respond to water vapor as well as O2 General purpose but with faster response rate than AP chemistry. Does exhibit long term photo-bleaching drift and has less resolution.

Additional information

Weight 4 lbs
Dimensions 13 x 13 x 6 in

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