Keithley 2750 User Manual page 126

Model 2750 Multimeter/Switch System User's Manual
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 3-5
Thermistor temperature measurement configuration
Step Menu structure
1 UNITS: C, F, or K
2 SENS: THRMSTR
3 TYPE: 2200Ω , 5000Ω , or 10kΩ
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 3-6
RTD parameters
Type
PT100
D100
F100
PT385
PT3916
Select temperature measurement units (°C, °F, or K).
Select the thermistor transducer.
Select thermistor resistance.
3-6. Note that these parameters can be modified using remote programming.
Standard
ITS-90
ITS-90
ITS-90
IPTS-68
IPTS-68
Description
Alpha Beta
0.00385055 0.10863
0.003920 0.10630
0.003900 0.11000
0.003850 0.11100
0.003916 0.11600
Basic DMM Operation
Table 3-5. After pressing
Ω at 0°C
Delta
1.49990 100Ω
1.49710 100Ω
1.49589 100Ω
1.50700 100Ω
1.50594 100Ω
3-35