Integral Datalogger; Analog Outputs; Performance Specifications (Example For Typical 6-Inch Pipe) - Siemens SITRANS FUS1020 Manual

Nema-4/ip 65 clamp-on transit-time flowmeter
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Section 1
Flexible setup options using either the touch panel keypad sensors or a PC/laptop connected to
the RS-232 port.
Integral 2x16 Character LCD panel display shows real-time data and Installation Menu for key-
pad input or RS-232 remote programming.
Flexible mounting: Integral and/or Remote - either on pipe or located up to 300 feet (100m) from
the transducers. For distances greater then 300 feet (up to 1000 ft), please contact Siemens
Customer Service.
Menu Lockout Switch prevents unauthorized access to site setup data.
Wide-Band pipe matching provides high performance and stability for Steel pipes.
ZeroMatic Path sets Zero flow compensation without stopping flow; eliminates zero drift.

Integral Datalogger

FUS1020 provides an integral Datalogger that records user-assigned data at a programmable log
interval for later retrieval. Data reports can be transmitted via the RS-232 port to either a serial printer
for hard copy, or to a PC/laptop computer where the report format is comma-delimited ASCII text to
facilitate its import to spreadsheet or database software.

Analog Outputs

Loop powered isolated current varies from 4-20 mA in proportion to any user-selected data
function.
Digital PGEN output pulse function allows user assigned PGEN digital signal pulses per unit of
volume.
Buffered open collector relay trigger output provides logic levels for response to user-assigned
alarm functions.

Performance Specifications (Example for typical 6-inch pipe)

Accuracy
Batch Repeatability
Flow Range
Flow Sensitivity
Zero Drift
Data Refresh Rate
Time Averaged Response Rate
+/- 2.0% of rate, or better
+/- 0.1%
+/- 40 ft/sec, (+/- 12 m/s) including zero flow, bi-directional
0.001 ft/sec, (0.0003 m/s) flow rate independent
0.01% ft/sec or better with ZeroMatic Path active
3 Hz
1 to 60 seconds
1-3
1020NFM-1D

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