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| Brand | Guo Ruili Heng |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | GR-5030 |
| Liquid Level Measurement Accuracy | ≤0.5 mm |
| Flow Measurement Accuracy | ≤±1% |
| Flow Measurement Range | 0–40 m³/s |
| Sampling Frequency | 3 Hz |
| Data Storage Capacity | 50,000 records |
| Battery Life | >72 h (internal Li-ion) |
| Operating Temperature | −20 °C to +50 °C |
| Operating Humidity | ≤85% RH |
| Dimensions | 270 × 215 × 105 mm |
| Weight | 2.4 kg |
| Display | Color TFT touchscreen with Chinese UI |
| Output Interface | USB |
| Compliant Standards | JJG 711–1990, HJ 15–2019, HJ 353–2019, HJ 354–2019, HJ 355–2019 |
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