| 1. No external power supply, passive output contact ; |
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| 2. Long life span, stable and reliable operation, easy installation, almost no maintenance |
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| 3. Independent of mediums' physical and chemical status. |
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| 4. Appliable for all kinds of bad medium environment with density ≥0.5g/cm³. |
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| 5. Available for interface detection of mediums with two different densities. |
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| 6. Wide application range. Pressure 0~PN160 (max. up to PN320), temperature -40~+150 ° c; |
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| 7. At most 8 detecting points, delivering signal independently. |
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| 8. Anti-explosion design. |
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| 9.Customization. |
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