Reference Manual
00809-0400-4728, Rev AA June 2011
Rosemount 644
Ambient Temperature Effect
Table A-2. Ambient Temperature Effect
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| Temperature Effects per 1.0 °C |
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| Input Range | (1.8 °F) Change in Ambient |
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Sensor Options | Sensor Reference | (°C) | Temperature(1) | Range | D/A Effect(2) | |||
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Pt 100 (α = 0.00385) | IEC 751 | 0.003 | °C (0.0054 °F) | Entire Sensor Input Range | 0.001% | of span | ||
Pt 200 (α = 0.00385) | IEC 751 | 0.004 | °C (0.0072 °F) | Entire Sensor Input Range | 0.001% of span | |||
Pt 500 (α = 0.00385) | IEC 751 | 0.003 | °C (0.0054 °F) | Entire Sensor Input Range | 0.001% of span | |||
Pt 1000 (α = 0.00385) | IEC 751 | 0.003 | °C (0.0054 °F) | Entire Sensor Input Range | 0.001% of span | |||
Pt 100 (α = 0.003916) | JIS 1604 | 0.003 | °C (0.0054 °F) | Entire Sensor Input Range | 0.001% of span | |||
Pt 200 (α = 0.003916) | JIS 1604 | 0.004 | °C (0.0072 °F) | Entire Sensor Input Range | 0.001% of span | |||
Ni 120 | Edison Curve No. 7 | 0.003 | °C (0.0054 °F) | Entire Sensor Input Range | 0.001% of span | |||
Cu 10 | Edison Copper | 0.03 °C (0.054 °F) | Entire Sensor Input Range | 0.001% of span | ||||
| Winding No. 15 |
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Pt 50 (α = 0.00391) | GOST | 0.004 | °C (0.0072 °F) | Entire Sensor Input Range | 0.001% of span | |||
Pt 100 (α = 0.00391) | GOST | 0.003 | °C (0.0054 °F) | Entire Sensor Input Range | 0.001% of span | |||
Cu 50 (α = 0.00426) | GOST | 0.008 | °C (0.0144 °F) | Entire Sensor Input Range | 0.001% of span | |||
Cu 50 (α = 0.00428) | GOST | 0.008 | °C (0.0144 °F) | Entire Sensor Input Range | 0.001% of span | |||
Cu 100 (α = 0.00426) | GOST | 0.004 | °C (0.0072 °F) | Entire Sensor Input Range | 0.001% of span | |||
Cu 100 (α = 0.00428) | GOST | 0.004 | °C (0.0072 °F) | Entire Sensor Input Range | 0.001% of span | |||
Thermocouples |
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| 0.014 | °C | T ≥ 1000 °C | 0.001% | of span | |
Type B | NIST Monograph 175, | 100 to 1820 | 0.032 | °C – (0.0025% of (T – | 300 °C ≤ T < 1000 °C | 0.001% of span | ||
IEC 584 | 300)) |
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| 0.054 | °C – (0.011% of (T – 100)) | 100 °C ≤ T < 300 °C | 0.001% of span | ||
Type E | NIST Monograph 175, | 0.005 | °C + (0.0043% of T) | All | 0.001% of span | |||
IEC 584 |
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| NIST Monograph 175, |
| 0.0054 °C + (0.00029%of T) | T ≥ 0 °C | 0.001% of span | |||
Type J | 0.0054 °C + (0.0025% of | T < 0 °C | 0.001% of span | |||||
IEC 584 | ||||||||
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| absolute value T) |
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| NIST Monograph 175, |
| 0.0061 °C + (0.0054% of T) | T ≥ 0 °C | 0.001% of span | |||
Type K | 0.0061 °C + (0.0025% of | T < 0 °C | 0.001% of span | |||||
IEC 584 | ||||||||
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| absolute value T) |
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Type N | NIST Monograph 175, | 0.0068 °C + (0.00036% of T) | All | 0.001% of span | ||||
IEC 584 |
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Type R | NIST Monograph 175, | 0 to 1768 | 0.016 | °C | T ≥ 200 °C | 0.001% of span | ||
IEC 584 | 0.023 | °C – (0.0036% of T) | T < 200 °C | 0.001% of span | ||||
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Type S | NIST Monograph 175, | 0 to 1768 | 0.016 | °C | T ≥ 200 °C | 0.001% of span | ||
IEC 584 | 0.023 | °C – (0.0036% of T) | T < 200 °C | 0.001% of span | ||||
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| NIST Monograph 175, |
| 0.0064 °C | T ≥ 0 °C | 0.001% of span | |||
Type T | 0.0064 °C +(0.0043% of | T < 0 °C | 0.001% of span | |||||
IEC 584 | ||||||||
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| absolute value T) |
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| 0.0054 °C + (0.00029% of T) | T ≥ 0 °C | 0.001% of span | |||
DIN Type L | DIN 43710 | 0.0054 °C + (0.0025% of | T < 0 °C | 0.001% of span | ||||
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| absolute value T) |
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| 0.0064 °C | T ≥ 0 °C | 0.001% of span | |||
DIN Type U | DIN 43710 | 0.0064 °C + (0.0043% of | T < 0 °C | 0.001% of span | ||||
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| absolute value T) |
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Type W5Re/W26Re | ASTM E | 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 | |||||
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| 0.007 | °C | T ≥ 0 °C | 0.001% of span | ||
GOST Type L | GOST R | 0.007 | °C – (0.003% of absolute | T < 0 °C | 0.001% of span | |||
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| value T) |
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