Operating menu and parameter description
iTEMP TMT71
74
Hauser
Selection
2-wire, 3-wire, 4-wire
Factory setting
4-wire
2-wire compensation
Navigation
Application → Sensor → 2-wire compensation
Prerequisite
An RTD sensor or a resistance transmitter with a
2-wire
connection type must be specified
as the sensor type.
Description
Use this function to specify the resistance value for two-wire compensation in RTDs.
User entry
0 to 30 Ω
Factory setting
0 Ω
Reference junction
Navigation
Application → Sensor → Reference junction
Prerequisite
A thermocouple (TC) sensor must be selected as the sensor type.
Description
Use this function to select reference junction measurement for temperature compensation
of thermocouples (TC).
If
Preset value
is selected, the compensation value is specified via the
RJ preset
value
parameter.
Selection
• Internal measurement: the internal reference junction temperature is used.
• Fixed value: a fixed value is used.
• Measured value of external sensor: The measured value of an RTD Pt100 2-wire sensor
which is connected to terminals 1 and 3 is used.
Factory setting
Internal measurement
RJ preset value
Navigation
Application → Sensor → RJ preset value
Prerequisite
The
Preset value
parameter must be set if the
Reference junction
option is selected.
Description
Use this function to define the fixed preset value for temperature compensation.
User entry
–58 to +360
