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| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GHK-2052 |
| Compliance | JJG 943–2011, WS/T 184–2017 |
| Flow Control | Microprocessor-regulated constant-flow sampling with integrated pressure/temperature/flow sensors |
| Data Storage | 100 sampling sessions with power-loss recovery |
| Pump Type | Brushless DC fan |
| Cut-off Options | Optional certified PM₁₀ and PM₂.₅ impactor heads (NIST-traceable calibration certificates provided) |
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