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| Brand | PERIC |
|---|---|
| Model | EMO-HJV |
| Origin | Hebei, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Power Supply | AC 220 V ±10%, with built-in rechargeable battery supporting ≥6 hours operation during power outage |
| Sampling Method | Active pump-driven aspiration with integrated hydrophobic dust/water filter |
| Communication Interfaces | 4G LTE (Cat 1), Ethernet (RJ45), LoRaWAN (optional), RS485 (Modbus RTU) |
| Local Storage | MicroSD card slot (up to 32 GB) |
| Data Upload Protocol | MQTT/HTTP over TLS 1.2 |
| Remote Capabilities | OTA firmware update, remote zero/span calibration, drift compensation algorithm |
| Data Integrity | 断点续传 (Resume-on-Interruption) with local queue buffering |
| Expandability | Optional meteorological module (wind speed/direction, temperature, humidity, pressure, rainfall) |
| Compliance | Designed per IEC 61326-1 (EMC), EN 50270 (gas detection equipment), and aligned with technical requirements of China’s HJ 653–2013 and HJ 93–2013 for ambient air monitoring stations |
| Detection Parameters & Ranges | PM₂.₅ (0–1000 µg/m³, resolution: 1 µg/m³), PM₁₀ (0–1000 µg/m³, resolution: 1 µg/m³), CO (0–12.5 µmol/mol, resolution: 0.01 µmol/mol), SO₂ (0–1000 nmol/mol, resolution: 1 nmol/mol), NO₂ (0–1000 nmol/mol, resolution: 1 nmol/mol), O₃ (0–1000 nmol/mol, resolution: 1 nmol/mol), VOCs (0–50 µmol/mol, resolution: 1 nmol/mol) |
| Sensor Technologies | Optical scattering (PM), electrochemical (CO, SO₂, NO₂, O₃), photoionization detection (PID) for VOCs, NDIR for CO₂ (optional) |
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