Shandong China Coal Industry&Mining Supplies Group
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coal mine methane detector
Main parameters:
1. measurement range: (0-10)% CH4
2.Minimum differentiation numerical value: 0.5% CH4
3. Dial Scope of differentiation: (0-1)% CH4
4. Dial minimum subdivison levels: 0.02% CH4
5. Cell size: 1.5v; quantity: 2 pcs( 1 # ordinary dry cells)
6. Lamp voltage: 2.5v
7. Overall dimension: 225*135*70mm
8. Weight: about 1.8kg
Basic error of the table:
measuring range(%CH4) | 0-1 | 1-4 | 4-7 | 7-10 |
permissible error (%CH4) | ±0.05 | ±0.1 | ±0.2 | ±0.3 |