Fluke Hydra Series II - Page 220

2635A
Users Manual
A-8
Table A-9. Temperature Measurements - Accuracy (RTDs) (IEC751) (IPTS-68)
4-Wire Accuracy* (±°C)
RTD Resolution 18°C to 28°C 0°C to 60°C
Temperature
(°C)
Slow Fast 90 Day
Slow
1 Year
Slow
1 Year
Fast
1 Year
Slow
1 Year
Fast
-200.00 0.02 0.1 0.11 0.11 0.53 0.12 0.54
0.00 0.02 0.1 0.09 0.09 0.55 0.13 0.59
100.00 0.02 0.1 0.12 0.12 0.60 0.18 0.66
300.00 0.02 0.1 0.23 0.24 0.74 0.34 0.84
600.00 0.02 0.1 0.56 0.56 1.13 0.73 1.29
* Sensor inaccuracies are not included
RTD Type
DIN/IEC 751, 100e Platinum (385)
2-wire Accuracy
For 2-wire sensors with R0 = 100Ω: degrade accuracy by 5.0ºC per lead-ohm, plus
degrade accuracy an additional 11ºC for channels 1 to 20 and 0.05ºC for channel 0.
Maximum Current Through Sensor
1 mA
Typical Full Scale Voltage
0.22 V
Maximum Open Circuit Voltage
3.2 V
Maximum Sensor Temperature
600ºC nominal
Cross-Talk Rejection
Refer to Appendix B.
AC Voltage Measurements
AC voltage measurements are true rms and use ac-coupled inputs.