toscano T-500, Руководство пользователя

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ITM-MAGMETER-T500-ED2
F. Dead band setting
G. Datalogger
Basic dead band of the instrument near the zero fl ow rate is 0.1 l/s. This dead band can be changed so that it
would be possible to suppress undesirable fl ow rate values occurring due to liquid surges and vibrations in tubing
at the zero fl ow rate.
WARNING!
Extension of the dead band increases measurement error at low fl ow rates. Hence parasitic movements
of liquid should be eliminated fi rst.
Use cursor keys to select the option MEASUREMENT from main menu and confi rm your selection by
1.
EXE key.
Under the ZERO option, select command EDIT and press EXE key to edit the band size in l/s, in which no
2.
fl ow rate is to be registered. Use cursor keys to set the numeric value in v l/s and confi rm by EXE key.
Select option RETURN to fi nish setting.
3.
The instrument will ask if you want to save new parameters SAVE SETUP?. Select YES if they are OK. The
fl ow meter will save new parameters and switch to normal display mode. If NO is selected, parameters will not
be saved.
The instrument will switch to display mode and works with new parameters until it is switched off. When the
instrument is switched on again, it works with original parameters.
Internal datalogger enables recording of measured values in chosen intervals either periodically or once at a
time and their storing in instrument memory.
Stored values can be subsequently read on the display or on a PC via RS232 communication link.
The datalogger records following parameters by default: total volume in positive direction V+, total volume in
negative direction V-, instrument status at the moment of reading Exx and real time at the moment of reading t.
Alternatively you can choose recording of one of additional values: immediate fl ow rate Q, maximum fl ow rate
during chosen interval MAX, minimum fl ow rate during chosen interval MIN or average fl ow rate during chosen
interval AVR.
All samples containing above mentioned data are stored in memory as a single record.
Capacity of the sample memory is 100 records. Samples are recorded step by step and they are assigned
addresses from 1 to 100. After recording of 100 samples, the oldest sample with address 1 is deleted, memory
is readdressed and the new sample is inserted to address 100. The memory content is not corrupted if power
failure occurs.