Agilent Technologies 3458A User Manual page 126

10 OUTPUT 722;"PRESET NORM"
READINGS
20 OUTPUT 722;"OHMF 10E3"
30 OUTPUT 722;"MATH CTHRM10K"
THERMISTOR
40 OUTPUT 722;"TRIG SGL"
50 ENTER 722;A
60 PRINT A
70 END
126 Chapter 4 Making Measurements
Table 25: Temperature-Related Math Operations
MATH
Operation
CTHRM2K
Result=temperature (Celsius) of a 2k
CTHRM
Result=temperature (Celsius) of a 5k
CTHRM10K
Result=temperature (Celsius) of a 10k
FTHRM2K
Result=temperature (Fahrenheit) of a 2k
FTHRM
Resutt=temperature (Fahrenheit) of a 5k
FTHRM10K
Result=temperature (Fahrenheit) of a 10k
CRTD85
Result=temperature (Celsius) of 100
(40654A or 406548)
CRTD92
Result=temperature (Celsius) of 100
FRTD85
Result=temperature (Fahrenheit) of 100
(40654A or 40654B)
FRTD92
Result=temperature (Fahrenheit> of 100
The following example performs a temperature measurement using a 10kW
thermistor and returns the result in degrees Celsius.
Description
W
thermistor (40653A)
W
thermistor (40653B)
W
thermistor (40653C)
W
thermistor (40653A)
W
thermistor (40653B)
W
thermistor (40653C)
W
RTD with alpha of 0.00385
W
RTD with alpha of 0.003916
W
RTD with alpha of 0.00385
W
RTD with alpha of 0.003916
!PRESETS MULTIMETER, SUSPENDS
!SELECTS 4-WIRE OHMS, 10kW RANGE
!CELSIUS CONVERSION, 10kW
!TRIGGER READING
!ENTER RESULT
!PRINT RESULT