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Specifications
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Original instructions
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Specifications
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Original instructions
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Number of Channels
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8 IN
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RTD Types (Configurable)
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Platinum (American and European) – PT100, PT200, PT500, PT1000
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-200 °C to +850 °C
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Nickel – N100, N200, N500, N1000
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-60 °C to +180 °C
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Measurement Current
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PT100, PT200, N100, N200 PT500, PT1000, N500, N1000
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2.5 mA 0.5 mA
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Input Impedance
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>10M ohms
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Linearity
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+/- 0.003% of full scale (0 ... 60°C)
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Resolution
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12 bits plus sign (0.1°C)
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Absolute Accuracy
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+/- 0.5 °C (25 °C) +/- 0.9 °C (0 .. 60 °C)
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Accuracy Error @ 25°C
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Typical: +/- 0.05% of full scale Maximum: +/- 0.1% of full scale
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Isolation
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Channel to Channel
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None
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Channel to Bus
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> 100 dB @ 50/60 Hz
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Input Filter
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1780 VAC @ 47-63 Hz or 2500 VDC for 1 min.
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Update Time (All Channels)
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3-wire 2 or 4-wire
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1.35 sec.
750 m sec.
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Bus Current Required
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400 mA
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Power Dissipation
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2 W
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External Power
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Not required for this module
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Fault Detection
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Out of range or broken wire conditions
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Hot Swap
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Not allowed per intrinsic safety standards
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Fusing
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Internal-not user accessible
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Number of Channels
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8 IN
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TC Types and Ranges
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Types J K E T S R B
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Ranges (°C) -210 ... +760
-270 ... +1370
-270 ... +1000
-270 ... +400
-50 ... +1665
-50 ... +1665
+130 ... +1820
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Millivolt Ranges
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-100 mV ... +100 mV*
-25 mV ... +25 mV*
*Open circuit detect can be disabled on these ranges
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TC Circuit Resistance/Max Source Resistance
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200 ohms max for rated accuracy
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Input Impedance
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>1M ohms
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Input Filter
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Single low pass @ nominal 20 Hz. Plus notch filter at 50/60 Hz
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Normal Noise Rejection
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120 dB min @ 50 or 60 Hz
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Cold Junction Compensation (CJC)
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Internal CJC operates 0 ... 60°C (errors are included in the accuracy specification). The connector door must be closed. Remote CJC can be implemented by connecting the TC (which monitors the external junction block temperature) to channel 1. Types J, K, and T are recommended for best accuracy.
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Resolution
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TC Ranges
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Choice of: 1 degree C (Default) 0.1 degree C 1 degree F 0.1 degree F
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Millivolt Ranges
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+/- 100 mV range, 3.05 microvolts (16 bits)
+/- 25 mV range, 0.76 microvolts (16 bits)
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TC Absolute Accuracy (see Note 1)
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Types J, K, E, T (see Note 2)
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+/- 2°C +/- 0.1% of reading
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Types S, R, B (see Note 3)
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+/- 4°C +/- 0.1% of reading
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Millivolt Absolute Accuracy
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@ 25°C
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+/- 20 microvolts +/- 0.1% of reading
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Accuracy Drift w/ Temperature
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0.15 microvolts/°C + 0.0015% of reading/°C max.
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Isolation
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Channel to Channel
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None
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Channel to Bus
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1780 VAC @ 47-63 Hz or 2500 VDC for 1 min.
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Update Time
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1 sec. (all channels)
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Fault Detection
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Out of range or broken wire conditions
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Bus Current Required
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400 mA
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Power Dissipation
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2 W
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External Power
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Not required for this module
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Hot Swap
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Not allowed per intrinsic safety standards
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Fusing
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Internal - not user accessible
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