Rtd Specifications - Data Translation DT9871 User Manual

Appendix A

RTD Specifications

Table 12
RTD types (software-selectable)
A/D converter resolution
Sample rate
Supported temperature range
Current source
Absolute current:
Drift:
Drift per year:
Internal reference
Thermal disturbance channel-to-channel
Supported RTD alpha curves
a. Older versions of this instrument may support a maximum sampling rate of 7.5 Samples/s.
Table 13
Alpha (Average Temperature
Coefficient of Resistance (/C))
116
lists the specifications for RTD channels on the DT9872 and DT9874.
Table 12: RTD Specifications
Feature
lists the RTD alpha curves that are supported by RTD channels.
Table 13: Supported RTD Alpha Curves
Resistance at 0C
0.00385
0.00392
Specifications

Platinum 100 , 500
24-bits
a
10 Samples/s
–200 to +850C (European standard)

425 A, ±0.5% at 25 C (calibrated in firmware)
10 ppm/C maximum
±100 ppm typical
+1.250 ±0.002 V
None
See Table 13
Nominal
Organization

100 British Standard
Deutschen Institut
fur Normung

98.129 Scientific Appartus
Manufacturers of
America
 
, and 1000
Standard
BS1904: 1984
DIN 43760: 1980
SAMA
RC-4-1966