Description
| Category | Specification | Applications |
|---|---|---|
| Performance | • Wide span ratio >300:1 • Fast response <5ms • Ultra-low startup flow <0.05 m/s • High accuracy (±3% reading) |
• Medical: Respiratory & diagnostic equipment • Automotive: Air flow meters |
| Design | • No moving parts → High reliability • Suitable for clean gases & liquids |
• Energy: Fuel cell control • Domestic: Gas equipment |
| Measurement Range | • Gas & liquid compatible | • Lab Equipment: GC/MS systems • HVAC: Airflow monitoring |
| Durability | • Robust construction for industrial environments | • Industrial: Automation & leak detection |
| Parameter | Description | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Flow Range | Gas measurement range | 1atm, 25°C ambient | 0.01 | – | 35 | m/s |
| RA | Ambient temperature sensor resistance | Pins 1&5, +25°C | 1440 | 1600 | 1760 | Ω |
| RH | Heater temperature resistance | Pins 6&7, +25°C | 90 | 100 | 110 | Ω |
| RHT | Heater temperature sensor resistance | Pins 5&8, +25°C | 540 | 600 | 660 | Ω |
| RUE | Upstream external temp sensor resistance | Pins 3&4, +25°C | 1260 | 1400 | 1540 | Ω |
| RUI | Upstream internal temp sensor resistance | Pins 2&12, +25°C | 1080 | 1200 | 1320 | Ω |
| RDI | Downstream internal temp sensor resistance | Pins 11&12, +25°C | 1080 | 1200 | 1320 | Ω |
| RDE | Downstream external temp sensor resistance | Pins 9&10, +25°C | 1260 | 1400 | 1540 | Ω |
| TCR | Full-bridge thin film TIP resistance temp coefficient | 0°C~140°C | 0.285 | 0.302 | 0.330 | %/°C |
| RH Limit Current | Heater current limit | No flow, 25°C ambient, Pins 5&6 | – | – | 20 | mA |
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