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Highly accurate and customisable oxygen measurement for all environments
The Orbisphere GA2400 oxygen (O₂) Electrochemical (EC) sensor is designed for process monitoring as well as laboratory analysis in the liquid or gas phases across.
With its large measuring possibilities the Orbisphere GA2400 O₂ EC-sensor can be used for a wide range of applications from beer or soft-drinks production to rinsing of semiconductor waters in chip-manufacturing plants, reactor coolant systems in nuclear power plants, or any place where oxygen measurement is critical.
A small residual signal with unrivalled accuracy (± 0.1 ppb) is made possible by the exclusive sensor design. Different pre-mounted membrane kits are available to fulfill any particular process requirements and O₂ measurement ranges required.
The stainless steel Orbisphere GA2400-S00 O₂ electrochemical sensor is mechanically resistant to pressure up to 40 bar.
| Accuracy | Accuracy = Trueness (ISO 57251) 2935A-A: The greater of ±1% of reading or ± 10 ppb, or ± 20 Pa 2952A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa 2956A-A: The greater of ±1% of reading or ± 0.1 ppb¹, or ± 1 ppb², or ± 0.25 Pa 29552A-A: The greater of ±1% of reading or ± 2 ppb, or ± 5 Pa ¹ Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments |
| Body Material | Stainless Steel |
| Certifications | CE |
| Flow Rate | Recommended flow rate in flow chamber 2935A-A: 25 mL/min 2952A-A: 50 mL/min 2956A-A: 180 mL/min 29552A-A: 50 mL/min |
| Material | O-Rings: EPDM |
| Model | GA2400 |
| Pressure Range | 40 bar |
| Pressure resistance | 40 bar minimum with default PPS collar (100 bar with stainless steel collar) |
| Protection Class | IP66 |
| Range | Range at 25 °C (77 °F) 2935A-A: 10 ppb – 400 ppm or 20 Pa – 1,000 kPa 2952A-A: 1 ppb – 80 ppm or 5 Pa – 200 kPa 2956A-A: 0.1 ppb – 20 ppm or 0.25 Pa – 50 kPa 29552A-A: 2 ppb – 80 ppm or 5 Pa – 200 kPa |
| Response Time | Response time at 25 °C (77 °F) for a 90% signal change 2935A-A: 2.5 min 2952A-A: 38 s 2956A-A: 7.2 s 29552A-A: 90 s |
| Sensor material | Stainless Steel |
| Temperature Compensation | -5 – 60 °C (23 – 140 °F) |
| Temperature resistance | -5 – 100 °C (23 – 212 °F) |
| Warranty | 12 months |
| Weight | 0.3 kg (0.66 lbs) |
| Wetted Materials | Stainless Steel 1.4404 (AISI 316L) No O-rings are in contact with the sample |
| What’s included? | Oxygen Sensor (GA2400-S00), incl. plastic screw-on storage cap for sensor head protection; protection cap without grille (33051-S0); protection cap with grille (33051-SP) |
