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System 6000
Model 6020 Thermocouple Card :

Model 6020 Thermocouple Card
Features :
  • Complete thermocouple signal conditioner with 16-bit analog-to-digital converter
     
  • Programmable digital filter
     
  • Programmable common cold-junction reference
     
  • Compensation is provided for J, K, T, N, E, R, S, and B thermocouple types
     
  • Fixed low-pass anti-aliasing filter (six-pole)
     
  • Connections to user's thermocouple circuit via a removable three-terminal screw connector
Specifications :

Channels:
One per card
Inputs:
Thermocouple types J, K, T, E, N, R, S, B. Built-in electronic cold-junction compensation. Software-selectable.
 
Open sensor detection
 
Input Impedance:
10 M differential, 100 K common mode
 
Source Current:
±0.5 nA typical; ±5 nA max.
Input Connector:
Three-position screw terminal.
Amplifier:
 
Zero Temperature Stability:
±1.5 microvolt/° C RTI, ±100 microvolt/° C RTO, after 30-minute warm-up.
 
DC Gain Accuracy & Stability:
±0.05% ± 50 ppm/° C
 
Common-Mode Rejection (dc to 60 Hz):
100 dB typical
 
Common-Mode Voltage:
±6V typical
 
AC Accuracy: (typical)
Input Frequency/Bandwidth: 500/3000 50/200
Spurious Free Dynamic Range: 100 dB 110 dB
Signal to Noise: 90 dB 95 dB
Signal to Distortion: 100 dB 110 dB
Measurement Range:
±81.9 mV
 
Resolution:
2.5 microvolt
A/D Converter:
 
Type: 16-bit successive approximation with integrated sample and hold.
 
Integral Linearity Error:
±2 LSB
Filters:
  Linear phase, analog, 6-pole anti-aliasing filter, and 256-tap, programmable, FIR digital filter (lowpass)
 
Passband Frequency:
User-selectable 1 Hz to 4 kHz

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