VorTek U44 Series, Instruction Manual

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Series U44 Instruction Manual
M-000-00090
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The results are automatically saved in EEPROM and won’t be lost when the power is turned off.
4.10 SD Card Operation
4.10.1 Specifications
Data collection interval: any interval settings from 1 to 3600 seconds are OK according to the requirements.
Data content: date and time, flow rate, flow velocity, total flow, positive totalizer, negative totalizer.
Data storage format:
a = 2017-11-16, 16:21:12 h = + 0.000000 E+00 GJ
b = + 2.652471 E+00 m
3
/h i = + 0.000000 E+00 GJ
c = + 9.380460 E-02 m/s j = + 0.000000 E+00 C
d = + 3.520580 E+02 m
3
k = + 0.000000 E+00 C
e = + 3.520580 E+02 m
3
File system format: FAT16.
f = + 0.000000 E+00 m
3
File type: plain test file (.TXT).
g = + 0.000000 E+00 m
3
File number: maximum 512 pcs.
It can save 120 bytes of data each time. If it is set to save once every 5 seconds, the capacity of storing file in
24 hours is 120*3600/5*24 = 2073600 byte ≈ 2.1 Mbyte, therefore, 1 Gb SD card can store for days:
1024/2.1 = 487.6 ≈ 487 days. When the capacity of the SD card is full, the new data will override the earliest
files automatically.
4.10.2 Install or Remove the SD Card While the Meter is Powered On
If the operator desires to insert the SD card with power on, please turn off the power. The following
operation is to be used:
4.11 Serial Number
We provide the flow meter with a unique serial number to identify each flow meter for the convenience of the
manufacturer and customers. The S/N, instrument types, and versions are viewable in the Engineer Menus.
Attention:
Do not remove the SD card from the reader while actively working with the data. Data
should be saved and stored in a separate location on the PC, and then processed from that
file location. Processing the data directly from the SD card file location on the PC could
result in losing or destroying data if the SD card is removed while still being processed.