VTI Instruments EX1000A - Page 22

VTI Instruments Corp.
22 EX10xxA Introduction
TABLE 1-2: THERMOCOUPLE ACCURACY FOR EX10XXA (TYPICAL)
Type
Min
Max
-100
0
100
300
500
700
900
1100
1400
J
-200
1200
±0.25
±0.20
±0.20
±0.25
±0.30
±0.30
±0.35
±0.45
K*
-200
1372
±0.25
±0.20
±0.20
±0.20
±0.35
±0.35
±0.45
±0.55
±0.50
T**
-200
400
±0.25
±0.20
±0.20
±0.20
±0.25
E
-200
900
±0.25
±0.20
±0.20
±0.20
±0.25
±0.30
±0.35
S
-50
1768
±1.00
±0.75
±0.65
±0.65
±0.65
±0.70
±0.70
±0.75
R
-50
1768
±1.00
±0.75
±0.60
±0.60
±0.60
±0.60
±0.65
±0.70
B
250
1820
±1.65
±1.10
±0.80
±0.70
±0.65
±0.65
N
-200
1300
±0.40
±0.25
±0.25
±0.25
±0.30
±0.35
±0.40
±0.40
Values in °C
Conditions
• 60 minute warm-up
• Guaranteed maximum limits are two times (2x) the typical values
• 7 days, ±5 °C from last self-calibration***
• 20 °C to 30 °C, 1 year from full calibration
• Exclusive of thermocouple errors
• Exclusive of noise
• Common mode voltage = 0
* 1400 accuracy is for 1372 °C
** 500 accuracy is for 400 °C
TABLE 1-3: THERMOCOUPLE ACCURACY FOR RX1032
-40 °C to +50 °C
+50 °C to +70 °C
+15 °C to +25 °C
Type E, J, K, N & T
Typical
±0.22°C
±0.53°C
±0.12°C
Max
±0.35°C
±0.93°C
±0.20°C
Type R & S
Typical
±0.88°C
±2.12°C
±0.48°C
Max
±1.40°C
±3.72°C
±0.80°C
Type B
Typical
±1.76°C
±4.24°C
±0.96°C
Max
±2.80°C
±7.44°C
±1.60°C
Note: Typical is based on 2σ & Max is based on 4σ
Conditions
• After 1 hour warmup period and temperature stable for 1 hour after any temperature change.
• Accuracy does not include accuracy of thermocouple or thermocouple wiring.
• Maximum Temperature rate of change between any operating temperature is 0.5 °C/min
• Guaranteed maximum limits are two times (2x) the typical values
• 7 days, ±5 °C from last calibration
• -20 °C to +30 °C, 1 year from full calibration
• Exclusive of thermocouple errors
• Exclusive of noise
• Common mode voltage = 0
• Self calibration is not applicable
Temperature rate of change
• Nominal - 0.33 °C /min
• Max - 1.33 °C /min