100
Reference Manual
00809-0200-4728, Rev RA
Appendix A: Specifications and Reference Data
April 2015
Specifications and Reference Data
Accuracy example
When using a Pt 100 (
α
= 0.00385) sensor input with a 0 to 100 °C span:
Digital accuracy = ±0.15 °C
D/A accuracy = ±0.03% of 100 °C or ±0.03 °C
Total accuracy = ±0.18 °C
Table A-3. Ambient Temperature Effect
Sensor options
Sensor reference
Input range
(°C)
Temperature effects per 1.0 °C
(1.8 °F) change in ambient
temperature
(1)
Range
D/A effect
(2)
2-, 3-, 4-wire RTDs
Pt 100 (
α
= 0.00385)
IEC 751
-200 to 850
0.003 °C (0.0054 °F)
Entire Sensor Input Range
0.001% of span
Pt 200 (
α
= 0.00385)
IEC 751
-200 to 850
0.004 °C (0.0072 °F)
Entire Sensor Input Range
0.001% of span
Pt 500 (
α
= 0.00385)
IEC 751
-200 to 850
0.003 °C (0.0054 °F)
Entire Sensor Input Range
0.001% of span
Pt 1000 (
α
= 0.00385) IEC 751
-200 to 300
0.003 °C (0.0054 °F)
Entire Sensor Input Range
0.001% of span
Pt 100 (
α
= 0.003916) JIS 1604
-200 to 645
0.003 °C (0.0054 °F)
Entire Sensor Input Range
0.001% of span
Pt 200 (
α
= 0.003916) JIS 1604
-200 to 645
0.004 °C (0.0072 °F)
Entire Sensor Input Range
0.001% of span
Ni 120
Edison Curve No. 7
-70 to 300
0.003 °C (0.0054 °F)
Entire Sensor Input Range
0.001% of span
Cu 10
Edison Copper
Winding No. 15
-50 to 250
0.03 °C (0.054 °F)
Entire Sensor Input Range
0.001% of span
Pt 50 (
α
= 0.00391)
GOST 6651-94
-200 to 550
0.004 °C (0.0072 °F)
Entire Sensor Input Range
0.001% of span
Pt 100 (
α
= 0.00391)
GOST 6651-94
-200 to 550
0.003 °C (0.0054 °F)
Entire Sensor Input Range
0.001% of span
Cu 50 (
α
= 0.00426)
GOST 6651-94
-50 to 200
0.008 °C (0.0144 °F)
Entire Sensor Input Range
0.001% of span
Cu 50 (
α
= 0.00428)
GOST 6651-94
-185 to 200
0.008 °C (0.0144 °F)
Entire Sensor Input Range
0.001% of span
Cu 100 (
α
= 0.00426)
GOST 6651-94
-50 to 200
0.004 °C (0.0072 °F)
Entire Sensor Input Range
0.001% of span
Cu 100 (
α
= 0.00428)
GOST 6651-94
-185 to 200
0.004 °C (0.0072 °F)
Entire Sensor Input Range
0.001% of span
Thermocouples
Type B
NIST Monograph
175, IEC 584
100 to 1820
0.014 °C
T
≥
1000 °C
0.001% of span
0.032 °C – (0.0025% of
(T – 300)
300 °C
≤
T < 1000 °C
0.001% of span
0.054 °C – (0.011% of (T – 100)
100 °C
≤
T < 300 °C
0.001% of span
Type E
NIST Monograph
175, IEC 584
-200 to 1000
0.005 °C + (0.0043% of T)
All
0.001% of span
Type J
NIST Monograph
175, IEC 584
-180 to 760
0.0054 °C + (0.00029%of T)
T
≥
0 °C
0.001% of span
0.0054 °C + (0.0025% of absolute
value T)
T < 0 °C
0.001% of span
Type K
NIST Monograph
175, IEC 584
-180 to 1372
0.0061 °C + (0.0054% of T)
T
≥
0 °C
0.001% of span
0.0061 °C + (0.0025% of absolute
value T)
T < 0 °C
0.001% of span
Type N
NIST Monograph
175, IEC 584
-200 to 1300
0.0068 °C + (0.00036% of T)
All
0.001% of span
Type R
NIST Monograph
175, IEC 584
0 to 1768
0.016 °C
T
≥
200 °C
0.001% of span
0.023 °C – (0.0036% of T)
T < 200 °C
0.001% of span
Type S
NIST Monograph
175, IEC 584
0 to 1768
0.016 °C
T
≥
200 °C
0.001% of span
0.023 °C – (0.0036% of T)
T < 200 °C
0.001% of span
Type T
NIST Monograph
175, IEC 584
-200 to 400
0.0064 °C
T
≥
0 °C
0.001% of span
0.0064 °C +(0.0043% of absolute
value T)
T < 0 °C
0.001% of span
DIN Type L
DIN 43710
-200 to 900
0.0054 °C + (0.00029% of T)
T
≥
0 °C
0.001% of span
0.0054 °C + (0.0025% of absolute
value T)
T < 0 °C
0.001% of span
DIN Type U
DIN 43710
-200 to 600
0.0064 °C
T
≥
0 °C
0.001% of span
0.0064 °C + (0.0043% of absolute
value T)
T < 0 °C
0.001% of span
Type W5Re/W26Re
ASTM E 988-96
0 to 2000
0.016 °C
T
≥
200 °C
0.001% of span
0.023 °C – (0.0036% of T)
T < 200 °C
0.001% of span
Summary of Contents for Rosemount 644
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