VTI Instruments EX1000A, User Manual

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VTI Instruments Corp.
22 EX10xxA Introduction
T
ABLE
1-2: T
HERMOCOUPLE
A
CCURACY FOR
EX10
XX
A (T
YPICAL
)
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
T
ABLE
1-3: T
HERMOCOUPLE
A
CCURACY FOR RX
1032
- 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