Dwyer UFC User Manual download pdf (Page 43)

4: Data Logging

Monitoring the logged events

This is described in detail in Paragraph 4.1. If, while operating in FLOW READING mode, you wish to view the

logging progress at any time without interfering with the logging operation:

1. Press the Logger function key as described above to access the REAL TIME LOGGER screen.

2. Select View log as text to display the last four entries in the log files.

Manually stopping an auto logging session

1. The logging session will stop automatically at

the programmed Stop date & time.

2. If you wish to manually stop logging earlier than

programmed, press the Logger function key to

access the REAL TIME LOGGER screen then

select STOP NOW to cease logging.

3. Select Exit to return to the FLOW READING

screen.

The logged data will remain stored in the

instrument’s memory and can be viewed at any

time as described above.

4.3 How to Download Logged Data

All the logged data stored in the UFC instrument can be transferred to a USB memory stick. When a data transfer

is performed, all the data files contained in the instrument will be transferred to the memory stick and then erased

from the UFC internal memory.

The files created on the USB key have a file name that is the serial number of the instrument followed by a two

digit file number. If the USB key has a file with the same name as the file on the SD card, then the data will be

appended to the existing file, with a repeat of the header data.

This procedure describes how to download stored data.

Note: The USB key must be formatted as FAT32.

1. Insert the USB memory stick into the USB socket mounted on the lower left region of the UFC keypad.

a) The message Transferring to USB key will be displayed on the UFC screen.

b) The led on the USB key will flash as the data is transferred.

2. When the data transfer is completed the LED on the USB will extinguish and the message Safe to remove

USB key will be displayed on the UFC screen.

The logged data can be retrieved while data logging is active, but any samples that should have been taken,

between inserting the USB key and the display of the “safe to remove USB key” message, will be lost. A new

internal log file is started when transfer of data to the USB key is complete. A first sample is taken as soon as

the file is created, and the time interval starts from this logged time.

Key Point: If the USB memory stick has insufficient capacity to download all the

files, the UFC will display an error message and no file transfer will take place.

REAL TIME LOGGER

Logging to SD card

Unit : l/min

Log name : Quickstart

Log data to : USB

Logging interval : 10 seconds

Start date & time : dd-mm-yy hh:mm:ss

Stop date & time : dd-mm-yy hh:mm:ss

View log as text

STOP NOW

Cancel Auto start

Clear log

Exit

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Dwyer UFC User Manual Page 43

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