Sitrans Fue 950 Energy Calculator
Sitrans Fue 950 Energy Calculator
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 has a modular construction which means that it can be fitted with optional output modules when it is ordered. These include a pulse output, pulse input, current output and an M-Bus add-on module. If needed, the necessary temperature sensor pair and pockets can be ordered along with the calculator.
| 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) |
- 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)
