GWFCoder meter reading technologies

Rob — Wed, 08 Dec 2010 15:58:33 +0000

Water and gas meters with GWFCoder® register are ideal for future upgrading to remote, mobile or direct readout technologies. Examples of the various options are provided below:

Mobile on-site reading

■ Direct or outside wall readout via the inductive interface; transmission distance of up to max. 150m

■ Outside wall readout via the CL interface without access to the measuring point; transmission distance of up to max. 150m

■ Mobile «walk-by» meter reading or «driveby » meter reading from a moving vehicle without access to the property

Remote meter reading

■ The GWFcoder® technology enables the combined remote reading of water, gas and electricity meters

■ Depending on the interface at the communication unit (e.g. modem), various interfaces (interface converter) are available to integrate the GWFcoder® water and gas meters in the remote meter reading and to read out the meters with addresses according to IEC standards

GWFCoder Variants

The metering application dictates which unit is the most suitable for any installation. Suitable units are shown below for domestic and bulk, gas and water metering applications.

GWF Coder Technology

In the GWFcoder® system, the individual rollers of the mechanical register are read out optoelectronically. The position of the various long asymmetrically arranged slits in the roller counters is scanned using 5 light barriers (light-pipe transmitter and receiver).

The light barriers are implemented with phototransistors. LEDs, and light conductors, which are all consecutively scanned and evaluated. The precisely defined position of each individual roller counter is encoded as an absolute roller counter reading and read out as a part of the protocol via the GWFcoder® interface.

This functioning principle is patented by GWF. The GWFcoder® interface, compared to a meter with a pulse output, has an incomparably higher level of information content and readout accuracy. A GWFcoder® register does not require a battery, which, in turn, does not compromise existing revision cycles. The readout device supplies the power for the readout.

GWFcoder (M-Bus) Technology

Rob — Thu, 15 Jul 2010 07:33:28 +0000

GWF MessSysteme AG believe respect for our ecological inheritance and responsibility to future generations demand the sustainable use of natural resources and energy. GWF are making their contribution – by designing and implementing intelligent metering solutions with the patented GWFcoder® technology. GWF facilitates sustainable energy usage.

GWFcoder smart metering technology

They offer trendsetting smart metering system solutions based on high-precision measuring instruments and the patented GWFcoder® technology.

The GWFcoder® technology can be fitted to a wide range of meters from the simple single jet water meter to turbine type water and gas meters

With the ever increasing demand for intelligent remote data collection the GWFcoder® m-bus interface opens up a world of data transport possibilities