Description
The OXYPro® combine an optical sensor (type PSt7, PSt8, PSt6, PSt9) and electro-optical module in one probe. The sensors have a maximum measurement range of 0 – 20.9 % O2, 0-100 % O2, 0-10 % O2 ou 0-200 ppm % O2. They are integrated in a removable sensor cap (OEC), which can easily be exchanged. The mid-range OXYPro® are ideally suited for applications in the food & beverage sector, e. g. soft drink production or wineries. The exchange caps are not only available in a version safe for food applications, but also with fast response time, for measurements in aggressive environments, or for reduced air bubble formation on the sensor. The OXYPro® are directly connected to the control unit and have a standard PG 13.5 stainless steel thread for easy integration at the measurement site. As a digital interface these probes use RS485 (OXYPro® _R = PreSens proprietary, OXYPro® _RM = Modbus RTU) and have 4 – 20 mA analog output. A serial communication protocol is offered for data exchange between the OXYPro® and a PC or other host unit. For initial operation and adjustment of the 4 – 20 mA output the PreSens EOM-STS software can be used.
| Gaseous & Dissolved O2 | Dissolved O2 | |
| Measurement range | MR and MRM: 0 – 20.9 % Vol. O2, 0 – 200 hPaVR and VRM: 0 – 100 % Vol. O2, 0 – 500 hPa
TR and TRM: 0 – 10 % O2 Vol., 0 – 100 hPa UTR and TRM: 0 – 200 ppm Vol. O2 |
MR and MRM: 0 – 9 mg/LVR and VRM: 0 – 45 mg/L
TR and TRM: 0 – 4.5 mg/L UTR and TRM: 0 – 200 ppm Vol. O2 |
| Limit of detection | MR and MRM: 0.007 % O2, 0.07 hPaVR and VRM: 0.03 % O2, 0.3 hPa
TR and TRM: 0.001 % O2, 0.01 hPa UTR and UTRM: 0.5 ppm Vol O2 |
MR and MRM : 3 ppbMR and MRM : 0.015 mg/L, 20 ppb
TR and TRM:0.5 ppb UTR and UTRM: 0.5 ppm Vol O2 |
| Resolution | MR and MRM: 0.007 % O2 at 2.3 % O2VR and VRM: 0.1 % O2 at 20.9 % O2
TR and TRM: 0.001 % O2 at 0.2 % O2 UTR and TRM: 1.5 ppm Vol. O2 at 200 ppm Vol |
MR and MRM: 3 ppb at 1000 ppbMR and MRM: 0.04 mg/L at 9 mg/L
TR and TRM: 0.4 ppb at 20 ppb UTR and TRM: 1.5 ppm Vol. O2 at 200 ppm Vol |
| Response time (t90) | < 10 sec. | < 30-40 sec. |
| Compatibility | Aqueous solutions, ethanol, methanol, cleaning agents containing ClO2 at room temperature | |
| No cross-sensitivity to | pH 1 – 14, CO2, H2S, SO2, ionic species | |
| Cross-sensitivity to | Organic solvents, such as acetone, toluene, chloroform or methylene chloride, Chlorine gas | |
| Sterilization procedure | Steam sterilization (max. + 140 °C, 1.5 atm) | |
| Operation temperature range | Optimal: 0 °C to + 50 °C, Max.: – 40 °C to + 90 °C | |
| Temperature sensor | NTC | |
| Temperature accuracy | <1 °C | |
| Power supply | 7 – 30 V | |
| Power consumption | 1 W | |
| Dimensions | Max. immersion depth: 120 mm / 225 mm / 325 mm / 425 mm + 7 mm with OEC30, PG 13.5 thread and VP8 connector: 55 mm, Diameter: 12 mm | |
| Dimensions | 4 – 20 mA | |
