Data Translation DT9871 User Manual page 120

Appendix A
System drift error, zero
DT9871U and DT9874 thermocouple channels:
DT9871:
DT9872 and DT9874 RTD channels:
DT9873 and DT9874 voltage channels:
System drift error, gain
DT9871U and DT9874 thermocouple channels:
DT9871:
DT9872 and DT9874 RTD channels:
DT9873 and DT9874 voltage channels:
A/D reference
Drift:
Drift per year:
Full-scale long-term stability
DT9871U and DT9874 thermocouple channels:
DT9871:
DT9872 and DT9874 RTD channels:
DT9873 and DT9874 voltage channels:
Warm-up time for the DT9873 and DT9874 voltage
channels:
a. For the ±60 V range, no more than 30 Vrms, 42.4 Vpk, 60 VDC is allowed.
120
Table 16: Voltage Measurement Specifications (cont.)
Feature Specifications

±0.02 V/C typical

±0.02 V/C typical

±0.10 V/C

±0.5 V/C for the ±10 V input range;

±5 V/C for the ±60 V input range
±4 ppm/C
±4 ppm/C
±10 ppm/C
±15 ppm/C
±8 ppm/C maximum
±100 ppm typical
±100 ppm/year typical
±100 ppm/year typical
±0.05C per year @ 0 C (±0.27C per
year @ full-scale temperature)
±100 ppm/year typical
1 hour
a