Table of Contents
Advertisement
Appendix A
System drift error, zero
DT9871U and DT9874 thermocouple channels:
DT9871:
DT9872 and DT9874 RTD channels:
DT9873 and DT9874 high voltage channels:
System drift error, gain
DT9871U and DT9874 thermocouple channels:
DT9871:
DT9872 and DT9874 RTD channels:
DT9873 and DT9874 high 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 high voltage channels:
Warm-up time for the DT9873 and DT9874 high
voltage channels:
a. You configure the input range for each channel using software.
b. Older versions of the instrument may support a maximum sampling rate of 7.5 Samples/s.
116
Table 17: Voltage Measurement Specifications (cont.)
Feature
Specifications
μ
±0.02
V/° C typical
μ
±0.02
V/° C typical
μ
±0.10
V/° C
μ
±0.5
V/° C for the ±10 V input range;
μ
±5
V/° C for the ±100 V input range;
μ
±20
V/° C for the ±400 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
Advertisement
Table of Contents
