Specification
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GRV-ITR-12
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Input Ranges (Ohms)
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400 k, 200 k, 100 k, 50 k, 40 k, 20 k, 10 k, 5 k, 4 k, 2 k, 1 k, 500 and Autorange
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Accuracy, normal mode (Ohms @ Range)
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0.1%; specific values for indicated range:
400@400 k, 200@200 k, 100@100 k, 50@50 k, 40@40 k, 20@20 k, 10@10 k, 5@5 k, 4@4 k, 2@2 k, 1@1 k, 0.5@500
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Accuracy, fast ADC mode (Ohms @ Range)
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0.5%; specific values for indicated range:
2000@400 k, 1000@200 k, 500@100 k, 250@50 k, 200@40 k, 100@20 k, 50@10 k, 25@5 k, 20@4 k, 10@2 k, 5@1 k, 2.5@500
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Excitation Current (Range & Load Watts Dissipated)
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>7.9 µA (400 K & 25 µW), (200 K & 12.4 µW), (100 K & 6.2 µW), (50 K & 3.1 µW),
>84.7 µA (40 K & 287 µW), (20 K & 144 µW), (10 K & 72 µW), (5 K & 36 µW),
>169.2 µA (4 K & 115 µW), (2 K & 57 µW), (1 K & 29 µW), (500 & 14 µW)
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Analog Data Filtering
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-3 dB @ 2.4 Hz
-25 dB @ 60 Hz
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Software Data Filtering:
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-
1 to 32 readings
-
1 to 4096
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Data Refresh Time (normal mode)
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900 ms
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Data Refresh Time (fast ADC mode)
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450 ms
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Step Input Response Time (normal mode)
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900 ms x SMA value (for example, 28.8 s @ 32 SMA, Default SMA = 4)
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Step Input Response Time (fast ADC mode)
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450 ms x SMA value (for example, 14.4 s @ 32 SMA, Default SMA = 4)
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Quaility Indications
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out of range
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Isolation (field-to-logic)
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300 V working, 1500 V transient (1 minute)
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Isolation (channel-to-channel)
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300 V between channel group 0–5 & channel group 6–11. None within a group.
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Number of Channels
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12
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Chassis Power Consumption
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1.3 W
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Minimum groov EPIC Firmware Version
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1.3.0
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Minimum PAC Project Version
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10.2000
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Minimum Library Package for CODESYS Version
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1.0.0.0
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Wire Size
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28–14 AWG
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Wire Strip Length
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0.315–0.354 inches (8–9 mm)
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Torque, connector screw
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2.5 in-lb (0.28 N-m)
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Torque, hold-down screw
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3.5 in-lb (0.4 N-m)
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Temperature (operating)
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-20 °C to +70 °C
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Temperature (storage)
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-40 °C to +85 °C
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Relative Humidity (non-condensing)
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5–95%
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MTBF (minimum, 25 °C)
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1.2 Mhrs
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Agency Approvals
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UL/cUL (Class 1, Div 2)a; CE: ATEX (Category 3, Zone 2) and RoHS; DFARS; CB Scheme; UKCA
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Warranty
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Lifetime
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