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Systèmes de contrôle des salles blanches et de surveillance environnementale
Capteur d'oxygène par
A fixed electrochemical oxygen monitor that warns of oxygen depletion or enrichment near inert-gas and process-gas use areas.
- Electrochemical O₂ Measurement
- Local Concentration Display
- Dual Alarm Relays
- Replaceable Sensor Cell
Introduction de produit
The oxygen depletion sensor continuously samples surrounding air through a protected diffusion cap. An electrochemical cell produces a signal proportional to oxygen partial pressure, and internal electronics display the concentration and compare it with independent alarm thresholds. Local sounder and beacon functions can be supplemented by relay, current or digital outputs to a central alarm system. The replaceable cell and accessible calibration interface support planned maintenance without replacing the wall-mounted transmitter body.
Key Features
A bright local display shows oxygen concentration before and during an alarm condition.
Separate low and high alarm thresholds address depletion and enrichment risks.
Replaceable sensing cells extend transmitter service life and simplify maintenance planning.
Préoccupations du client produit
Oxygen hazards can develop without odor or visible warning, so room coverage, alarm visibility and sensor maintenance must be deliberate.
Inert-gas leakage displaces oxygen without giving occupants a sensory warning.Continuous oxygen measurement activates visible and audible alarms before entry or exposure continues.
A sensor mounted too high misses heavier or poorly mixed displacement patterns.Risk-based mounting positions place detectors near credible gas accumulation and breathing zones.
An aged electrochemical cell loses response gradually.Planned bump checks, calibration and replaceable cells maintain response confidence.
A local alarm is not seen from outside the room.Relay and network outputs drive corridor beacons, central annunciation and ventilation actions.
Les applications typiques
Nitrogen-supplied cleanroomsCryogenic storage support areasGas cabinet roomsLaboratory inert-gas zones
Paramètres techniques
Typical construction values for a fixed oxygen depletion sensor are listed below.
| Matériaux de base | Replaceable electrochemical oxygen cell in polycarbonate transmitter with stainless protective sensor guard |
|---|---|
| Panneau épaisseur | 55-90 mm detector depth |
| Largeur effective | 110-180 mm housing width |
| Longueur maximale | Up to 240 mm detector height |
| Acier face épaisseur | 0.5-1.0 mm stainless sensor guard |
| Densité Core | 1180-1220 kg/m³ for polycarbonate transmitter body |
| Conductivité thermique | 0.19-0.22 W/(m·K) for polycarbonate enclosure material |
| surface finie | White or safety-yellow housing with black display, green normal light and red alarm beacon |
| Type joint | Wall-mount base with diffusion sensor cap, cable gland and removable alarm terminals |
| Customisation | Disponible en fonction de l'application prévue et de l'environnement d'exploitation. |
Options disponibles
Local sounder and beaconLow and high oxygen alarmsAnalog and relay outputsRemote corridor indicator
Planning a Oxygen Sensor specification?
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