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Model 2790 SourceMeter
Thermistor temperature measurement configuration
The steps to configure thermistor measurements are provided in
SHIFT and then SENSOR, the menu starts at step 1 to select measurement units.
Each time you press ENTER to make a selection, the menu will automatically go to the
next selection. After pressing ENTER for the last step, the instrument will return to the
normal measurement state.
Table 3-2
Thermistor temperature measurement configuration
Step
1
2
3
4-wire RTD temperature measurement configuration
The Alpha, Beta, Delta, and Ω at 0°C parameters for the five basic RTD types are provided
in
Table
Table 3-3
RTD parameters
Type
PT100
D100
F100
PT385
PT3916
®
Switch System Reference Manual
Menu structure
UNITS: C, F, or K
SENS: THRMSTR
TYPE: 2200Ω, 5000Ω, or 10kΩ Select thermistor resistance.
3-3. Note that these parameters can be modified using remote programming.
Standard
Alpha
ITS-90
0.003850
ITS-90
0.003920
ITS-90
0.003900
IPTS-68
0.003850
IPTS-68
0.003916
Description
Select temperature measurement units
(°C, °F, or K).
Select the thermistor transducer.
Beta
Delta
0.10863
1.49990
0.10630
1.49710
0.11000
1.49589
0.11100
1.50700
0.11600
1.50594
3-25
Table
3-2. After pressing
Ω at 0°C
100Ω
100Ω
100Ω
100Ω
100Ω
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