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Wireless Trace Oxygen Measurement System

OXYBase® TR-Blue

This battery-powered trace oxygen measurement system is controlled by smartphone or tablet via Bluetooth. the control app is available in the Google Play store and Apple App store. OXYBase® TR-Blue is ideally suited for applications in the food & beverage industries, measurements in inertization, nitrogen generators or wherever wireless trace oxygen measurement is needed. The instrument consists of a robust trace range probe (limit of detection 0.001 % O2, max. 0 - 10 % O2) with integrated temperature sensor and stainless-steel housing, which is connected to a Bluetooth module. The Bluetooth module together with a data logger, and pressure sensor - for automatic compensation of the oxygen measurements - are integrated in a lightweight water jet protected housing (IP65). The device is controlled wirelessly via the PreSens Wireless Studio app. The software allows system control and sensor calibration and offers many additional features like e.g. salinity compensation. The graphical display of the ongoing measurement gives a quick overview of current oxygen levels. Stored measurement data can be downloaded from the device to the smartphone / tablet and exported for further analysis.

  • Measurement range of 0 - 10 % O2, detection limit 0.001 % O2
  • Integrated data logger
  • Data transfer to smartphone via Bluetooth
  • Temperature, pressure & salinity compensation
  • Battery powered device
  • Water jet protected housing (IP65)
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Applications

Trace Oxygen Monitoring in Industrial Processes

Many industrial processes are sensitive to oxygen, and continuous checks on the O2 content are mandatory to ensure the safety of products or persons. OXYBase® TR-Blue allows you to conveniently control measurements from your smartphone or tablet and check trace oxygen levels wirelessly in food or beverage production processes, in nitrogen tanks or during inertization.


Technical

Specifications Gaseous & Dissolved O2 Dissolved O2
Measurement range* Optimal: 0 - 5 % O2, 0 - 50 hPa
Max.**: 0 - 10 % O2, 0 - 100 hPa
Optimal: 0 - 2 mg/L
Max.**: 0 - 4.5 mg/L
Limit of detection* 0.001 % O2, 0.01 hPa 0.5 ppb
Resolution* 0.002 % O2 ± 0.0006 % O2
0.2 % O2 ± 0.001 % O2
1 ppb ± 0.3 ppb
20 ppb ± 0.4 ppb
Response time (t90) < 10 sec.*** < 30 sec. ****
Properties
Compatibility Aqueous solutions, ethanol, methanol, cleaning agents containing ClO2 at room temperature
No cross-sensitivity pH 1 - 14, CO2, H2S, SO2, ionic species
Cross-sensitivity Organic solvents, such as acetone, toluene, chloroform or methylene chloride, chlorine gas
Sensor cleaning procedure 3 % H2O2, acidic agents (HCl, H2SO4), max. 4 - 5 %
Cleaning agents containing ClO2 at room temperature
Sensor calibration Two-point calibration in oxygen-free (e.g. nitrogen 5.0, 1 % sodium sulfite solution) and a second calibration value optimally between 1 % and 2 % oxygen
Sensor storage stability 5 years provided the sensor material is stored at room temperature in dry conditions and in the dark
Temperature sensor NTC, accuracy < ± 1 °C
Temperature range operation Optimal: 0 °C to + 40 °C
Max.: 0 °C to + 50 °C
Temperature range storage Optimal: room temperature (+ 20 °C ± 5 °C)
Max.: - 10 °C to + 50 °C
Pressure resistance* 3 bar
Dimensions Probe: length 106 mm, diameter 12 mm, cable length 5 m
Bluetooth module housing: 226 mm (with cable connector) x 95 mm x 25 mm
Material Probe: stainless steel SUS 316 L
Bluetooth module housing: ABS housing (IP65)
Digital Interface Bluetooth Standard 4.0 LE
Internal memory 16 MB internal flash memory (Export via PreSens Wireless Studio)
Power supply 4 x AA batteries (1.5 V) or accumulators (1.2 V)
*at 20 °C, 960 / 980 hPa; humidified gas mixture
**after customized calibration
***determined changing from 20.9 % oxygen gas to nitrogen 5.0
****determined changing from air-saturated water to a freshly prepared 1 % sodium sulfite solution

 

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