SIEMENS SITRANS FUE950

The battery or mains powered SITRANS FUE950 is a universal custody transfer approved energy calculator. It is designed for use in hot water, chilled water and cooling/heating applications. The calculator is modular and can be equipped with optional output modules depending on the application.

Detail

Meassuring range: Qp ≤ 360000 m³/h (600000 GPM)

                               P ≤ 15000000 kW

Accuracy: EN1434 Class 3, typical ±(0.5 + 3K/ΔΘ) [%]

Input / output

Input: 1 Pulse of flowmeter (always included)

          2 Temperature input as PT100/500,

          2 or 4-wire (always included)

          2 Pulse input (optional)

Output: 2 Pulse or status (optional)

             1 M-Bus (optional)

             1 RS 232 M-Bus protocol (optional)

             1 RS485 M-Bus protocol (optional)

             2 current (4-20mA , passive) (optional)

Display: 8-digit LCD display with associated pictograms/symbols

Enclosure: IP54 (in accordance with IEC 529)

Power Supply: Battery (3.6V Lithium D-cell type)

                        230 V a.c.

                        24 V a.c.

Temperature input: From -20 to 190 °C (-4 to 374 °F)

Ambient temperature: From 0 to 55 °C (32 to 131 °F)

Approvals: MID (EN1434, heating) and PTB K7.2 (cooling)

Benefits

• MID directive approval for custody transfer for water energy metering
• Cooling approval (according national German PTB K7.2 standard)  
• Suitable for 2 and 4 wire temperature sensor connection  
• Delivered with heat-/cooling approved PT500 sensor set (incl. sensor pockets)              
• Optical M-Bus  data reading in accordance with EN 1434
• Instantaneous values for energy and volume flow
• Flexible input / output option modules
• Long battery lifetime (up to 16 years)
• Option for 2 current outputs (4 ... 20mA, passive)