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3-wire RTD input and maximum temperature table range (actual range depends on your probe)
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1000 ohm platinum @ 0 °C α= 0.00385
Range: -200 to 850 °C
(-328 to 1,582 °F)
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100 ohm platinum @ 0 °C
α= 0.00385
Range: -200 °C to 850 °C
(-328 to 1,582 °F)
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10 ohm copper @ 25 °C
α= 0.00427
Range: -60 to 355 °C
(-76 to 671 °F)
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1000 ohm nickel @ 0 °C
α= 0.00618
Range: -60 to 170 °C
(-76 to 356 °F)
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100 ohm nickel @ 0 °C
α= 0.00618
Range: -60 to 250 °C
(-76 to 482 °F)
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1000 ohm nickel @ 70 °F
α= 0.00637
Range: -46 to 148.9 °C
(-50 to 300 °F)
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120 ohm nickel @ 0 °C
α= 0.00672
Range: -80 to 260 °C
(-112 to 500 °F)
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Input Range
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0 to 4000 ohms
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0 to 400 ohms
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0 to 40 ohms
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Accuracy
From factory
After setting gain and offset
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0.8 °C (Pt); 0.6 °C (Ni)
0.6 °C (Pt); 0.4 °C (Ni)
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0.8 °C (Pt); 0.6 °C (Ni)
0.6 °C (Pt); 0.4 °C (Ni)
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1.7 °C
1.2 °C
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Excitation Current
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0.325 mA
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2 mA
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4.28 mA
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Over-Range Limit
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10% overrange for all measurements in ohms
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Resolution
In Ohms
In RTD Temperature
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The greater of: (Ohms Range / 100,000) or 1 milliohm
Better than or equal to 0.05 °C (0.09 °F)
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Input Filtering
Front end filtering
DSP Notch filter
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-15 dB @ 50 Hz, -20 dB @ 60 Hz
20 Hz (-3 DdB = 5.24 Hz)
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Data Freshness (Max)
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1.2 s
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Auto-range Settle Time
Step change from 10 to 8000
Step change from 8000 to 10
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1.2 s to the next higher or lower range
<= 10 s ranging up (channel may show overrange until settled)
<= 10 s ranging down (channel will give a reading while settling)
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Total Lead Resistance
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200 ohms maximum
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DC Common Mode Rejection
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>-120 dB
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AC Common Mode Rejection
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>-120 dB at 60 Hz
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Maximum Survivable Fault Voltage at Input (between any 2 field wires)
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±8 V
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Maximum Operating Common Mode Voltage
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250 V field terminal to logic connector
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Isolation
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1500 V field side to logic side
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Power Requirements
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5.00 to 5.20 VDC @ 135 mA
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Operating Temperature
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-20 °C to 70 °C
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Storage Temperature
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-40 °C to 85 °C
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Humidity
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5-95%, non-condensing
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Maximum wire size
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20 AWG
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Torque, hold-down screws
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Not to exceed 1 in-lb (0.11 N-m)
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Agency Approvals
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UL, CE, RoHS, DFARS; UKCA
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Warranty
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Lifetime
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