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Allows you to monitor hydrogen in the power production process.
The patented polarographic sensor design is a proven performer wherever knowledge of H2 content is critical. From corrosion monitoring in power generators to chemical manufacturing, this sensor provides fast, accurate hydrogen measurements, in gaseous or liquid samples.
A wide range of temperature and pressure ranges is made possible by the exclusive valve seat sealing, whereby the sensor cathode is mechanically tensioned against a ceramic valve seat to ensure the integrity of the seal. This design enables a vanishingly small residual signal, for improved accuracy.
All these hydrogen sensors use the deep-draw membrane mounting method for a uniformly thin layer of electrolyte for faster response and superior stability. Coupled with a screw-on protection cap, the sensor provides in-service intervals of up to a year.
| Accuracy | The greater of ±1% of reading, or ±0.03 ppb, or ±1 Pa (Membrane 2956A) |
| Accuracy 2 | The greater of ±1% of reading, or ±0.09 ppb, or ±6 Pa (Membrane 2952A) |
| Accuracy 3 | The greater of ±1% of reading, or ±1 ppb, or ±50 Pa (Membrane 2995A) |
| Accuracy 4 | The greater of ±1% of reading, or ±10 ppb, or ±1 kPa (Membrane 29015A) |
| Ambient Temperature | -5 – 100 °C (23 – 212 °F) |
| Application | Corrosion rate |
| Certifications | IP68 / NEMA4 |
| Flow Rate | Typical Flow Rate Membrane 2956A: 50 – 220 mL/min Membrane 2952A: 40 – 200 mL/min Membrane 2995A: 20 – 70 mL/min Membrane 29015A: 20 – 40 mL/min |
| Protection Class | IP68 / NEMA4 |
| Purge connection | None |
| Radiation Resistance Level | Membrane 2956A: 2×104 rad Membrane 2952A: 108 rad Membrane 2995A: 108 rad Membrane 29015A: N/A |
| Range | Range at 25 °C Membrane 2956A: 0 – 75 ppb or 0 Pa – 5 kPa Membrane 2952A: 0 – 300 ppb or 0 Pa – 20 kPa Membrane 2995A: 0 – 3200 ppb or 0 Pa – 200 kPa Membrane 29015A: 0 ppb – 32 ppm or 0 – 2000 kPa |
| Sample Pressure | 0 – 100 bar |
| Temperature Range | Accurate from -5 – 50 °C (23 – 122 °F) Resistant – temperature from -5 – 100 °C (23 – 212 °F) |
| Warranty | 6 months |
| Weight | 140 – 700 g, depending on the construction material |
| What’s included? | Sensor only. Controller, sensor cable, flow-chamber or process connection must be ordered separately. |
