640 Water Meter
Sensus
The 640 is a MID approved volumetric water meter with integrated e-Register in a brass body. 640 offers you the accuracy of the 620 Series piston meter—plus the ability to monitor and analyze your network with comprehensive data—thanks to its built-in electronic register with data logger and radio.
Benefits to you
- Registers the lowest flow rates, thanks to its unique piston measuring chamber
- Communicates data via its integrated radio functionality (electronic register)
- Meets current and anticipated regulations for potable water
- Operates quietly
Features
- Integrated radio functionality available in different frequencies
- Unrivaled accuracy
- Extensive measuring range
- Recyclable and easy to handle
Specifications
- Available in DN 15, 20, 25, 32 and 40
- Compliant with:
- Approval 2004/22/EC
- EN 14154:2007
- OIML R49:2006
- ISO 4064:2014
- R315 (DN15 and 20 up to R400)
- MAP 16
- T 50
| Accuracy class
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± 2 % (Q2 ≤ Q ≤ Q4) for water temperatures ≤ 30 °C
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± 3 % (Q2 ≤ Q ≤ Q4) for water temperatures > 30 °C
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± 5 % (Q1 ≤ Q ≤ Q2)
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| Temperature range
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0.1 °C ... 50 °C
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| Pressure range (MAP)
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0.3 bar (0.03 MPa) - 16 bar (1.6 MPa)
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| Pressure loss class ∆P
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0.63 bar (0.063 MPa)
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| Environmental class
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I
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| Mechanical Environmental Conditions
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M2
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| Climatic Environmental Conditions
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5 °C ... 70 °C
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| Electromagnetic Conditions
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E2
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