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| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | PMT-2500 |
| Pricing | Available Upon Request |
| Detection Principle | Laser Light Scattering (90° scattering geometry) |
| Alarm Indicator | Tri-color LED (Green/Yellow/Red) with stepwise activation based on PM2.5 concentration thresholds |
| Power Supply | 3× AA alkaline batteries (internal) or DC 5 V via included USB cable |
| Display | 4-digit 7-segment LED |
| Accuracy | ±15 µg/m³ (for concentrations <100 µg/m³), ±15% (for ≥100 µg/m³) |
| Response Time | ≤6 seconds (T90) |
| Operating Temperature | −10 °C to +50 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Power Consumption | 0.6 W (active), 0.1 W (standby) |
| Data Logging | User-selectable intervals (1/5/10/30/60 min) |
| Dimensions | 81(W) × 40(H) × 141(D) mm |
| Weight | ≈345 g (including batteries and silicone rubber cover) |
| Accessories | USB cable (15 cm), AA batteries, protective silicone cover |
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