- 76-
Revision 4.6 3/2004
SYSTEM ACCURACY WITH
GQS-TC1 THERMOCOUPLE INTERFACE
TABLE I
System Accuracy (reading in temperature units): Includes the HHC base unit and GQS-TC1 interface module.
(Does not include inaccuracy of the thermocouple device. Consult thermocouple manufacturer or ISA MC96.1 for
thermocouple accuracy specifi cations. Typical inaccuracies range from ±1 to ±2.2°C.)
Max. additional error
Accuracy @ 25°C
Accuracy @ 25°C
due to ambient
Thermocouple
Measurement Range
Ambient (Not Including
Ambient (Including
temperature deviation
Type
(°C)
Internal Reference
Internal Reference
from 25°C. Expressed
Junction) Expressed as ±°C
Junction) Expressed as ±°C
as additional C error per
each C deviation from 25°C
J
–210 to –151
0.7
1.1
0.02
–150 to 1200
0.3
0.4
0.01
K
–240 to –201
1.5
2.2
0.05
–200 to –101
1.0
1.5
0.03
–100 to 999
0.5
0.8
0.02
T
–250 to –201
1.5
2.2
0.05
–200 to –101
0.8
1.2
0.03
–100 to 400
0.5
0.8
0.02
E
–250 to –201
1.2
2.0
0.04
–200 to –101
0.6
1.1
0.02
–100 to 400
0.3
0.6
0.01
R&S
–50 to 299
3.4
3.6
0.10
300 to 1768
1.2
1.3
0.04
B
100 to 199
14.0
14.0
0.44
200 to 499
5.0
5.0
0.16
500 to 999
3.0
3.0
0.08
1000 to 1820
1.2
1.2
0.04
N
–250 to –226
4.3
5.7
0.14
–225 to –101
2.1
2.8
0.07
–100 to 1300
1.0
1.4
0.02
Conversion Factors (to convert °C specifi cations to other units of measure):
To convert from °C to °F: °F = (1.8 x °C) +32
To convert from °C to °K: °K = °C +273.15
To convert from °C to °R: °R = (1.8 x °C) +427.67
TABLE II
System Accuracy (based on direct millivolt reading from thermocouple – includes MDI base unit and GQS-TC1
interface module. (Does not include inaccuracy due to the thermocouple device. Reference junction not applicable to
direct millivolt readings.)
Input Range of
Accuracy @ 25°C
Max. additional error due to ambient
temperature deviation from 25°C.
Expressed as additional millivolt error
per each °C deviation from 25°C
–10 to 100 millivolt
±
0.0125 millivolts
.001
Input Range of
Accuracy @ 25°C
Max. additional error due to ambient
temperature deviation from 25°C.
Expressed as additional millivolt error
per each °C deviation from 25°C
–10 to 100 millivolt
Input Range of
Accuracy @ 25°C
Max. additional error due to ambient
temperature deviation from 25°C.
Expressed as additional millivolt error
per each °C deviation from 25°C
Input Range of
Accuracy @ 25°C
Max. additional error due to ambient
temperature deviation from 25°C.
Expressed as additional millivolt error
per each °C deviation from 25°C
0.0125 millivolts
.001
System Accuracy (reading in temperature units): Includes the HHC base unit and GQS-TC1 interface module.
(Does not include inaccuracy of the thermocouple device. Consult thermocouple manufacturer or ISA MC96.1 for
thermocouple accuracy specifi cations. Typical inaccuracies range from ±1 to ±2.2°C.)
Max. additional error
Accuracy @ 25°C
Accuracy @ 25°C
due to ambient
Thermocouple
Measurement Range
Ambient (Not Including
Ambient (Including
temperature deviation
Type
(°C)
Internal Reference
Internal Reference
from 25°C. Expressed
Junction) Expressed as ±°C
Junction) Expressed as ±°C
as additional C error per
each C deviation from 25°C
K
–240 to –201
1.5
2.2
0.05
T
–250 to –201
1.5
2.2
0.05
–200 to –101
0.8
1.2
0.03
–100 to 400
0.5
0.8
0.02
E
–250 to –201
1.2
2.0
0.04
–200 to –101
0.6
1.1
0.02
–100 to 400
0.3
0.6
0.01
R&S
–50 to 299
3.4
3.6
0.10
300 to 1768
1.2
1.3
0.04
B
100 to 199
14.0
14.0
0.44
200 to 499
5.0
5.0
0.16
500 to 999
3.0
3.0
0.08
1000 to 1820
1.2
1.2
0.04
Max. additional error
Accuracy @ 25°C
Accuracy @ 25°C
due to ambient
Thermocouple
Measurement Range
Ambient (Not Including
Ambient (Including
temperature deviation
Type
(°C)
Internal Reference
Internal Reference
from 25°C. Expressed
Junction) Expressed as ±°C
Junction) Expressed as ±°C
as additional C error per
each C deviation from 25°C
–210 to –151
0.7
1.1
0.02
–150 to 1200
0.3
0.4
0.01
K
–240 to –201
1.5
2.2
0.05
–200 to –101
1.0
1.5
0.03
–100 to 999
0.5
0.8
0.02
T
–250 to –201
1.5
2.2
0.05
–200 to –101
0.8
1.2
0.03
–100 to 400
0.5
0.8
0.02
E
–250 to –201
1.2
2.0
0.04
–200 to –101
0.6
1.1
0.02
–100 to 400
0.3
0.6
0.01
R&S
–50 to 299
3.4
3.6
0.10
300 to 1768
1.2
1.3
0.04
B
100 to 199
14.0
14.0
0.44
200 to 499
5.0
5.0
0.16
500 to 999
3.0
3.0
0.08
1000 to 1820
1.2
1.2
0.04
N
–250 to –226
4.3
5.7
0.14
–225 to –101
2.1
2.8
0.07
–100 to 1300
1.0
1.4
0.02
Max. additional error
Accuracy @ 25°C
Accuracy @ 25°C
due to ambient
Thermocouple
Measurement Range
Ambient (Not Including
Ambient (Including
temperature deviation
Type
(°C)
Internal Reference
Internal Reference
from 25°C. Expressed
Junction) Expressed as ±°C
Junction) Expressed as ±°C
as additional C error per
each C deviation from 25°C
K
–240 to –201
1.5
2.2
0.05
–200 to –101
1.0
1.5
0.03
T
–250 to –201
1.5
2.2
0.05
–200 to –101
0.8
1.2
0.03
–100 to 400
0.5
0.8
0.02
E
–250 to –201
1.2
2.0
0.04
–200 to –101
0.6
1.1
0.02
–100 to 400
0.3
0.6
0.01
R&S
–50 to 299
3.4
3.6
0.10
300 to 1768
1.2
1.3
0.04
B
100 to 199
14.0
14.0
0.44
200 to 499
5.0
5.0
0.16
500 to 999
3.0
3.0
0.08
1000 to 1820
1.2
1.2
0.04
N
–250 to –226
4.3
5.7
0.14
–225 to –101
2.1
2.8
0.07
–100 to 1300
1.0
1.4
0.02
Max. additional error
Accuracy @ 25°C
Accuracy @ 25°C
due to ambient
Thermocouple
Measurement Range
Ambient (Not Including
Ambient (Including
temperature deviation
Type
(°C)
Internal Reference
Internal Reference
from 25°C. Expressed
Junction) Expressed as ±°C
Junction) Expressed as ±°C
as additional C error per
each C deviation from 25°C
–210 to –151
0.7
1.1
0.02
–150 to 1200
0.3
0.4
0.01
K
–240 to –201
1.5
2.2
0.05
–200 to –101
1.0
1.5
0.03
–100 to 999
0.5
0.8
0.02
T
–250 to –201
1.5
2.2
0.05
–200 to –101
0.8
1.2
0.03
–100 to 400
0.5
0.8
0.02
E
–250 to –201
1.2
2.0
0.04
–200 to –101
0.6
1.1
0.02
–100 to 400
0.3
0.6
0.01
R&S
–50 to 299
3.4
3.6
0.10
300 to 1768
1.2
1.3
0.04
B
100 to 199
14.0
14.0
0.44
200 to 499
5.0
5.0
0.16
500 to 999
3.0
3.0
0.08
1000 to 1820
1.2
1.2
0.04
N
–250 to –226
4.3
5.7
0.14
–225 to –101
2.1
2.8
0.07
–100 to 1300
1.0
1.4
0.02
Max. additional error
Accuracy @ 25°C
Accuracy @ 25°C
due to ambient
Thermocouple
Measurement Range
Ambient (Not Including
Ambient (Including
temperature deviation
Type
(°C)
Internal Reference
Internal Reference
from 25°C. Expressed
Junction) Expressed as ±°C
Junction) Expressed as ±°C
as additional C error per
each C deviation from 25°C
–210 to –151
0.7
1.1
0.02
–150 to 1200
0.3
0.4
0.01
K
–240 to –201
1.5
2.2
0.05
–200 to –101
1.0
1.5
0.03
–100 to 999
0.5
0.8
0.02
T
–250 to –201
1.5
2.2
0.05
–200 to –101
0.8
1.2
0.03
–100 to 400
0.5
0.8
0.02
E
–250 to –201
1.2
2.0
0.04
–200 to –101
0.6
1.1
0.02
–100 to 400
0.3
0.6
0.01
R&S
–50 to 299
3.4
3.6
0.10
300 to 1768
1.2
1.3
0.04
B
100 to 199
14.0
14.0
0.44
200 to 499
5.0
5.0
0.16
500 to 999
3.0
3.0
0.08
1000 to 1820
1.2
1.2
0.04
N
–250 to –226
4.3
5.7
0.14
–225 to –101
2.1
2.8
0.07
–100 to 1300
1.0
1.4
0.02
System Accuracy (reading in temperature units): Includes the HHC base unit and GQS-TC1 interface module.
(Does not include inaccuracy of the thermocouple device. Consult thermocouple manufacturer or ISA MC96.1 for
Содержание PTE-1
Страница 79: ...79 Revision 4 6 3 2004...
