Agilent Technologies U2802A - Manual (Page 58)

4 Product Specifications
48 Agilent U2802A 31-Channel Thermocouple Input User’s Guide
Therefore,
E
THERMOCOUPLE
= 0.75%
× 600 °C = 4.5 °C
Using the above individual component errors, the total measurement
system accuracy is calculated as below.
System accuracy without thermocouple sensor error:
E
TOTAL
= SQRT(E
DAQ
2
+ E
SIG_COND
2
+ E
ZEROING
2
+ E
CJC
2
)
= 0.95 °C
System accuracy with thermocouple sensor error:
E
TOTAL
= SQRT(E
DAQ
2
+ E
SIG_COND
2
+ E
ZEROING
2
+ E
CJC
2
+ E
THERMOCOUPLE
2
)
= 4.6 °C
U2802A_UG.book Page 48 Friday, November 25, 2011 10:57 AM