Resistance Thermometer Sensor Type - Delphin Expert Logger Manual

Expert Logger
are then converted into the unit of measurement (scaling) from the
sensor. For non-linear characteristics use
Sensor compensation
to 270 degrees) is used as the default for the
area. The channel receives the status "scale range overrun" or "scale
range underrun" when not within the range. Channel status values are
available in the table in
Connection
Indicate here how the sensor has been connected (the diagram displays
the selected wiring):
2 Wire
only for very short lines and high impedance sensors, otherwise the res-
ulting voltage drop across the circuits can lead to more substantial meas-
urement errors (cable resistance is factored into the measurement).
3 Wire
ply lines.
stantially the measurement error relative to the 2-wire circuit.
4 Wire
and/or longer supply lines. The loss of feed lines does not matter because
the device has a high-ohm input resistance (no voltage drop on the line
feeds) and the voltage drop (the measurement value) can be measured
directly at the sensor.
4.10.1.4
Resistance thermometer sensor type
See also the
Expert Logger Manual
Januar 2018
tab. The specified range (in the example 0 degrees
Status monitoring
: The sensor is connected with only two wires. This is recommended
: The device attempts to compensate the voltage drop via the sup-
Expert Logger
: The recommended connection method for low impedance sensors
Advanced settings
Sensor compensation
.
devices, in particular, can thus lower sub-
tab
97
ProfiSignal
graphic display
Delphin Technology AG
. See