Manual

Specifications
Appendix A
A-2
Temperature Specifications
Input Range
( l bl )
±105mV
pg
(selectable)
Type B: 300 to 1800
o
C (572 to 3272
o
F)
T
ype E: -270 to 1000
o
C (-454 to 1832
o
F)
Type J:
-210 to 1200
o
C (-346 to 2192
o
F)
T
ype K: -270 to 1372
o
C (-454 to 2502
o
F)
T
ype R: -50 to 1768
o
C (-58 to 3214
o
F)
T
ype S: -50 to 1768
o
C (-58 to 3214
o
F)
Type T:
-270 to 400
o
C (-454 to 752
o
F)
Maximum Input Resolution
1
3.3µV/bit @ 15 bits with sign bit
Type E, J, K, T 0.1°C (0.2°F)
2
Type B, R, S: 0.3
o
C (0.6
o
F)
2
Default Display Resolution
0.1°C (0.1°F)
Temperature Scale
° C ( °F)
Input Impedance
> 10 MΩ
Thermocouple Linearization IPTS68 standard, NBS MN125
Cold Junction Compensation
0 to 70°C ±0.25°C
Open Input Detection upscale
Open TC Leakage Current < 10 nA (maximum)
Time to Detect Open Input 5s (maximum)
Input Overvoltage Protection 140V ac rms continuous
Normal Mode Rejection (50/60Hz) 50dB / 60dB (minimum)
Common Mode Rejection (60Hz) 150dB (typical)
Offset Drift (maximum)
±0.50µV/°C
Gain Drift (maximum)
±35ppm/°C
Input Bandwidth 9Hz
Update Time (8 loops) 1s
TPO Update Time (blocktransfer) 500ms (maximum)
TPO Update Time (singletransfer) 20ms (maximum)
Settling Time to within
0.1% of Full Scale
125ms (maximum)
Nonlinearity 0.02% of full range (maximum)
Accuracy with Calibration (includes
nonlinearity, gain, offset)
0.01% of full range @ 25°C (typical)
0.05% of full range @ 25°C (maximum)
Calibration Values 0.000 / 100.000mV
Underrange Threshold -103.0mV
Overrange Threshold +103.0mV
Rate Alarm Value
Minimum (0.04% FSR)
Maximum (50% FSR)
0.08mV / 0.9°C (1.6°F) per second
100mV / 1050°C (1890°F) per second
Scaling Points →
Default Scaling Values
-100/+100mV → -100.00/+100.00
-300/+1800°C → -300.0/1800.0
-508/+3272°F → -508.0/3272.0
1
Maximum resolution is obtained by rescaling input data to counts.
2
These resolutions apply to the commonly used ranges for these thermocouples. See graphs.