TESTO 0555 6383, Инструкция по эксплуатации

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4 Transmitter
14
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4.2.4. Relay board (option)
This has a floating switch capacity of 250 V AC/3 A. The switching
limits and hysteresis as well as the function as relay for the
collective alarm can be set via the display or the P2A software.
Further features include:
• Function of changeover contacts (NC/NO contacts) freely
selectable
• 12 terminals for a total of 4 relays.
If no relays are available, settings for monitoring limit values
or alarms can still be controlled via the display. The alarm
status will be shown on the display.
Only have the transmitter wired and connected by
authorized personnel with the voltage disconnected.
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4.2.5. Analog outputs
As analog outputs, the testo 6383 has either
• 1 current output of 0 to 20 mA (4-wire)/4 to 20 mA (4-wire) or
• 1 voltage output of 0 to 1 V/0 to 5 V/0 to 10 V (4-wire)
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4.2.6. Parameters
The following parameters are displayed:
• Differential pressure in Pa, hPa, kPa, mbar, bar, mmH
2
O,
kg/cm
2
, PSI, inch HG, inch H
2
O
•
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4.2.7. Scaling
There are three types of min./max. values:
1
The measuring range: The maximum sensor performance is in
this range. Values outside of the measuring range are displayed
via messages, for example. Measuring range, see table
(below).
2 Standard scaling: The output signals are assigned to this
measuring range as standard:
◦ during delivery if no entries are made in the order code
◦ after exchanging the unit, the measuring range recorded in
the instrument is applied as standard.
The transmitter even retains its scaling with the voltage
disconnected.
Measuring range, see table (below).