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Optical Oxygen Meter - FireStingO2

  • Compact fiber-optic oxygen meter
  • 1, 2, or 4 oxygen channels
  • 1 temperature channel (optionally 4)
  • Works with robust probes, flow-through-cells, microsensors, minisensor, respiration vials, spots, nanoprobes, solvent-resistant probes...
  • Works with normal range and trace sensors
  • Works in gas (%O2) and in liquids (DO)
  • Versatile logging software
  • Analog outputs and auto-mode

The compact FireStingO2 is a high precision, PC-controlled (USB) fiber-optic oxygen meter available with 1, 2 or 4 channels for optical oxygen sensors from Pyro Science. The FireStingO2 can be combined with broad range of oxygen sensor types available from Pyro Science comprising fiber-optic oxygen microsensors, minisensors, or robust probes (tip diameters available from 30 μm to 3 mm), as well as flow-through cells, respiration vials, or smart contactless oxygen sensor solutions (sensor spots). Most sensor types are available as normal range versions and as trace range versions, working both seamlessly with the FireStingO2. A precision temperature sensor can be connected to the temperature port, allowing precise temperature compensation of the oxygen measurements within samples with varying temperatures. Several FireStingO2 can be easily operated with a single PC in parallel, offering scalable fiber-optic oxygen meter systems with e.g. 8, 16, 32, or 64 channels.

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Innovative REDFLASH Technology. The REDFLASH technology from PyroScience is based on the unique oxygen-sensitive REDFLASH dyes. In contrast to common techniques using blue-light excitation, the REDFLASH dyes are excitable with orange-red light and show an oxygen-dependent luminescence in the near infrared (NIR). The REDFLASH technology impresses by its high precision, high reliability, low power consumption, low cross-sensitivity, and fast response times. The orange-red light excitation significantly reduces interferences caused by autofluorescenced samples. Further, the NIR detection technology significantly reduces interference with ambient light, known from the old blue-light techniques.

Integrated Pressure and Humidity Sensors for Easy Calibration. The FireStingO2 device comes with integrated sensors for atmospheric pressure (mbar) and relative humidity (%RH) of the ambient air, which are important parameters for precision calibrations of oxygen sensors. Formerly, the user had to determine these parameters with external devices and enter them manually into the PC during the calibration process, making it an error-prone procedure. The new FireStingO2 together with the included FireSting Logger software offers now a user-friendly and fail-safe calibration procedure, because the relevant pressure and humidity values are measured automatically.

Automatic Pressure Compensation. The integrated pressure sensor can be used additionally for automatic pressure compensation during long-term oxygen measurements performed e.g. in units of %O2 or %air sat. These oxygen units show a strong dependence on atmospheric pressure changes (weather changes), which is simply neglected by most commercially available oxygen meters. The FireStingO2 offers now automatic pressure compensation integrated seamlessly into the included FireSting Logger software.

Analog Output. The FireStingO2 offers 4 integrated analog outputs (0..2.5V), which can be configured and scaled very flexibly by the included FireSting Logger software. Optionally, each analog output can be also configured as an alarm output (e.g. for control tasks like observing a defined oxygen level in fish tanks).

Auto-Mode. The FireStingO2 can be operated optionally without any PC connected to it. This so-called Auto-Mode is activated simply by connecting and powering the FireStingO2 with a standard micro-USB charger (as used for mobile phones). The measured values are read out via the analog output (or via the serial interface of the extension port).

Temperature Extension Module TeX4. The single temperature channel of the FireStingO2 can be easily expanded to 4 channels offering independent temperature compensation of all 4 oxygen channels more...

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Available Items

Item No. Description Pricing
in EU*
FSO2-1 FireStingO2 (1 oxygen port, 1 temperature port)
incl. logger software and transport case
on request
FSO2-2 FireStingO2 (2 oxygen ports, 1 temperature port)
incl. logger software and transport case
on request
FSO2-4 FireStingO2 (4 oxygen ports, 1 temperature port)
incl. logger software and transport case
on request
OXKIT‑FOP Starter Kit I with Fiber-Optic Oxygen Sensors (OXR50, OXF1100, OXROB10). The instrument is not included. 490 €
OXKIT‑CTL Starter Kit II with Contactless Oxygen Sensors (OXFTC, OXSP5, SPFIB, SPADBAS, OXVIAL4, ADVIAL4). The instrument is not included. 350 €

* Only EU-Prices shown. Contact us for pricing outside EU. Not for resale.

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For each purchased instrument we offer starter kits including the most popular oxygen sensors:

     

Starter Kit I with Fiber-optic Oxygen Sensors
(item no. OXKIT-FOP, max. 1 per instrument)

1x retractable microsensor (OXR50)
1x fixed minisensor (OXF1100)
1x robust probe (OXROB10)

     
 

Starter Kit II with Contactless Oxygen Sensors
(item no. OXKIT-CTL, max. 1 per instrument)

1 pc. oxygen sensor flow through cell (OXFTC)
1x sensor spots (OXSP5) (including 8 spots)
1x spot fiber (SPFIB)
1 pc. basic spot adapter (SPADBAS)
1 pc. 4ml respiration vial (OXVIAL4)
1 pc. adapter ring for respiration vial (ADVIAL4).

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Available Sensors

This instrument can be combined with a broad range of oxygen and temperature sensor heads:
Oxygen Sensors
Temperature Sensors

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Specifications

Given for 2-point calibrated oxygen sensors at 1013mbar absolute pressure.

Normal range versions hPa %O2 %air sat. mg/L
Optimum measuring range 0-500 0-50 0-250 0-23
Maximum measuring range (not specified) 0-1000 0-100 0-500 0-45
Typ. Detection limit* 0.2 0.02 0.1 0.01
Typ. Resolution at 1% O2* 0.1 0.01 0.05 0.005
Typ. Resolution at 20% O2* 0.5 0.05 0.25 0.025
Typ. Accuracy at 1% O2* ±0.2 ±0.02 ±0.1 ±0.01
Typ. Accuracy at 20% O2* ±2 ±0.2 ±1 ±0.1
 
Trace range versions hPa %O2 %air sat. mg/L
Optimum measuring range 0-100 0-10 0-50 0-5
Maximum measuring range (not specified) 0-210 0-21 0-100 0-9
Typ. Detection limit* 0.05 0.005 0.02 0.002
Typ. Resolution at 0.2% O2* 0.02 0.002 0.01 0.001
Typ. Accuracy at 0.2% O2* typ. 2% of reading, but not better than 0.01%O2

* For precise values and response times, please refer to the specifications of the different sensor types provided separately.

Weight 350 g
Dimensions (WxDxH) 68 x 120 x 30 mm
Oxygen sensor connector Fiber-optic ST-connector
Input Channels 1, 2, or 4 for fiber-optic oxygen sensors, 1 for temperature sensor
Measuring Principle Lifetime detection of REDFLASH luminescence via fiber-optics
Excitation Wavelength 620 nm (orange-red)
Emmission Wavelength 760 nm (NIR)
Max. sampling rate 4 / 20 samples per seconds (with / without temperature compensation)
System requirements USB, Windows XP/VISTA/7/8/10
Power supply Max. 70mA at 5VDC from USB (typ. 50mA)
Extension Port Serial interface (UART), ASCII communication protocol
Analog Output 4 independent analog outputs, 0-2.5VDC, 14 bit resolution
Operating / storage temperature 0-50ºC / -10-60ºC
Max rel. humidity Non condensing conditions
Temperature sensing principle 4-wire PT100
Temperature sensor
(range / resolution / accuracy)
-30°C-150°C / 0.02°C / ±0.5°C
Pressure sensor
(range / resolution / accuracy)
300-1100mbar / 0.06mbar / typ. ±3mbar
Humidity sensor
(range / resolution / accuracy)
0-100%RH / 0.04% RH / typ. ±0.2%RH