HACH
HACH Orbisphere Hydrogen (H₂) EC Sensor in stainless steel with EPDM O-ring (100 bar) PN.31230.01
HACH Orbisphere Hydrogen (H₂) EC Sensor in stainless steel with EPDM O-ring (100 bar) PN.31230.01
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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.
Benefits
Guard Ring Electrode Design
An auxiliary guard ring electrode surrounds the working electrode to shield against the influence of other gases and improve stability.
Rugged Construction
Use for harsh chemicals, hot CIP and high pressure situations.
Flexibility
Installs in-line for process control, or in flow chamber for spot measurement. Cable detaches at sensor end for installation and maintenance flexibility.
Specifications
Technical Attributes
| 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: 2x104 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. |
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