System 6000
Model 6020 Thermocouple Card
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Features
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- 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
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Channels:
One per card
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Inputs:
Thermocouple types J, K, T, E, N, R, S, B. Built-in
electronic cold-junction compensation.
Software-selectable.
Open sensor detection
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Input Impedance:
10 M
differential, 100 K
common mode
Source Current:
±0.5 nA typical; ±5 nA max.
Input Connector:
Three-position screw terminal.
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Amplifier:
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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)
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Input Frequency/Bandwidth:
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500/3000
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50/200
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| 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
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A/D Converter:
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Type:
16-bit successive approximation with integrated
sample and hold.
Integral Linearity Error:
±2 LSB
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Filters:
Linear phase, analog, 6-pole anti-aliasing
filter, and 256-tap, programmable, FIR digital
filter (lowpass)
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Passband Frequency:
User-selectable 1 Hz to 4 kHz
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