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Elster Diaphragm Meters
Diaphragm meters are displacement meters where the flow channels are designed to guarantee optimum flow conditions and a low pressure loss. They are suitable for measuring natural gas and a variety of technical gases at up to 0.5 bar. The approved gas temperature range is -20°C to +50°C. The diaphragm meters BK-G4 up to G100 are available with a pulse output option. This allows to retrofit a low-frequency pulser of the IN-Z61 type.
All of the meters are approved for custody transfer measurement by the German PTB and to EN 1359 by German DVGW.
Domestic Diaphragm Meters BK-G4 to BK-G6
These meters are available in co-axial or two-pipe versions. The measuring unit operates on the principle of pneumatic control. This guarantees low noise, long-term stability and high accuracy and allows the possibility of including mechanical temperature correction.
Commercial Diaphragm Meters, BK-G10 to BK-G25
These compact meters are available in co-axial or two-pipe versions with a pressed steel housing. The measuring unit operates on the principle of pneumatic control. This guarantees low noise, long-term stability and high accuracy.
|INZ61WC||pulse unit and lead|
|CON1||1 inch BS746 x 1 inch BSP union – 2 required per meter|
|CON1¼||1¼ inch BS746 x 1 .1/4 inch BSP union – 2 required per meter|
|CON2||2 inch BS746 x 2 inch BSP union – 2 required per meter|