Specifications 8
Agilent U1251A/U1252A User’s and Service Guide 161
Temperature and Capacitance Specifications
[1] The accuracy is suject to the following conditions:
• The accuracy does not include the tolerance of the thermocouple probe.
The thermal sensor plugged into the meter should be placed in the
operating environment for at least an hour.
• Use the Null function to reduce the thermal effect. Before using the NULL
function, set the meter to the no ambient compensation ( ) mode and
keep the thermocouple probe as close to the meter as possible, avoiding
contact with any surface that has a different temperature from the ambient
temperature.
• When measuring temperature with respect to any temperature calibrator,
try to set both the calibrator and the meter with an external reference
(without internal ambient compensation). If both the calibrator and the
meter are set with internal reference (with internal ambient compensation),
deviation may show between the readings of the calibrator and the meter,
due to differences in ambient compensation between the calibrator and the
meter.
[2] Only available in U1252A.
Function Thermocouple
Typ e
Range Resolution Accuracy
± (% of reading + No. of
Least Significant Digit)
Temperature
(1)
K -200 – 1372 °C/
-328 – 2502 °F
0.1 °C/
0.1 °F
0.3 % +3 °C/
0.3 %+6 °F
J
(2)
-210 – 1200 °C/
-346 – 2192 °F
0.1 °C/
0.1 °F
0.3 % +3 °C/
0.3 %+6 °F
Function Range Resolution Accuracy
± (% of reading + Offset
Error)
Measuring Rate
At Full Scale
Max.
Display
Capacitance 10.000 nF 0.001 nF 1 %+8
4 times/sec.
11000
counts
100.00 nF 0.01 nF
1 %+5
1000.0 nF 0.1 nF
10.000 μF0.001 μF
100.00 μF0.01 μF
1000.0 μF0.1 μF1 time/sec.
10.000 mF 0.001 mF 0.1 times/sec.
100.00 mF 0.01 mF 3 %+10 0.01 times/sec.
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