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Sensus 640C and 640MC

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Product code: Sensus 640

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The 640C/640MC is a high precision meter. Due to its unique piston and measuring chamber design, the smallest drops of water are measured. With the 640C/640MC you are assured of lasting metrology. The 640C meter range includes an electronic register with integrated radio functionality which enables easy and fast communication.

PRODUCT CODE:
640XX
SIZE RANGE:
15-40mm Manifold or 15-20mm Inline

640C, 640MCVolumetric Meter - Composite Body with Electronic Register

APPLICATIONS

The 640C/640MC is a high precision meter. Due to its unique piston and measuring chamber design, the smallest drops of water are measured. With the 640C/640MC you are assured of lasting metrology. The 640C meter range includes an electronic register with integrated radio functionality which enables easy and fast communication. Due to our broad range of system solutions you can adapt the 640C/640MC to all your AMR, AMI requirements. The protection class of the electronic register of the 640C family is IP 68. With a tamper proof design and its long life span you can be confident when selecting the 640C/640MC.

Main characteristics

  • DN 15 to 20 and Coax, MAP 16, T50 (temperature range 0.1 to 50 °C)
  • Light and robust
  • Easy to handle
  • Meets current and anticipated regulations for potable water
  • 33% lower carbon footprint than equivalent brass meters
  • High resistance to impurities and aggressive water
  • Quiet operation
  • Ready for wireless communication with integrated radio functionality (433 Mhz)
  • Long battery life expectation inclusive of metrology and radio function
  • The register includes two lithium batteries

Accuracy and Reliability

Thanks to the advanced design of its measuring chamber the meter has a low starting flow.

It can be supplied with metrological seal according the MID regulation 2014/32/EU with a ratio up to R400.

Foreign matter present in the water is filtered out by either the tubular strainer on the inlet or the seat strainer. All electronic components of the register are hermetically sealed and assembled in a glass copper casing which allow the protection class IP68.

The 640C/640MC water meter retains its metrological accuracy for many years of operation, even in difficult working conditions.

Approvals

EU type-examination certificate in conformity with

  • 2014/32/EU (MID)
  • OIML R49:2013
  • EN 14154-4:2014
  • ISO 4064:2017

Q3 2.5 DE-07-MI001-PTB002

Q3 4 DE-09-MI001-PTB004

Certificate of compliance for potable drinking water

  • KTW/DVGW (D)
  • ACS (F)
  • WRAS (UK)
  • Hydrocheck (B)
  • KIWA ATA (NL)

Typical Headloss Curve

Typical Error Curve

Typical Marking

Markings may vary depending on particular markets or metrological specifications.

METROLOGICAL CHARACTERISTICS IN ACCORDANCE WITH MEASURING INSTRUMENTS DIRECTIVE

Cross Section

Legibility

The display with 9 digits (6 for m3, 3 for litres) ensures exceptional readability. The highest resolution in testing mode is 0.05 litres. Icons are also displayed on the LCD to indicate important information have been registered:

DIMENSIONS AND WEIGHTS

Dimensional Diagram

For the installation guidelines please refer to the manual “Volumetric Meter Manual” on our website.

LCD Icon Explanation

BATTERY LIFETIME

640C / 640MC Infrastructure

The 640C product range has SensusRF integrated technology providing the advantages of both uni- and bidirectional system architecture as described below. SensusRF is the optimized license free radio system for battery driven endpoints and repeaters. Scalable for mobile and remote reading without exchange of components, it is available in 433 MHz

SensusRF offers two communication modes

1. Fixed Radio Network

  • Auto configuration wizard (gateway sniffing for endpoints and repeaters)
  • Integrating repeaters (up to 7 hops in a chain)
  • Self-healing network (using alternative routes)
  • Meter reading transparent and local
  • Fast track alarms
  • DMA snap shot (snap shot of a water network for evaluation)
  • TCP/IP technology for the WAN communication
  • High level of data security (end-to-end encryption)
  • Enables cloud technologies, FTP and other remote database applications.

2. Mobile read - Walk-by / Drive-by

  • Unidirectional telegrams
  • Bidirectional communication
  • Spontaneous reception possible without route
  • Configuration of the endpoint
640C / 640MC Fixed radio network - Remote Access & Monitoring
Unidirectional/Bidirectional communication

SIRT (Sensus Interface Radio Tool)

SIRT is a radio modem for SensusRF radio, connected to a handheld via Bluetooth and using DIAVASO Mobile Reading software with the following features

  • Installation and readout of devices
  • Reception of frequently transmitted radio messages from SensusRF radio endpoints
  • Request additional information from the radio endpoints
  • Change configuration of radio endpoints (alarm, level settings... )

For further information please refer to the SIRT Product Page.

Sensus "Drive-by" Demonstration video

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Datasheet

2D CAD Drawing

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Manual
Datasheet
Engineering Data*
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Manual

2D CAD Drawing

PDF - Download Icon
Manual
Datasheet
Engineering Data*
PDF - Download Icon
Engineering Data

2D CAD Drawing

PDF - Download Icon
Manual
Datasheet
Engineering Data*
* Note:
For some products Manual and/or Engineering Data are available only upon request.

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Sensus 640C and 640MC

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