Specification
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Description
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Readout Accuracy for 100ohm PRT (Probe Accuracy Not Included)
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±0.009°C at -40°C
±0.010°C at 0°C
±0.012°C at 50°C
±0.017°C at 155°C
±0.019°C at 200°C
±0.026°C at 350°C
±0.030°C at 420°C
±0.042°C at 660°C
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Readout Resolution
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1 mΩ
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Reference Resistance Range
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0 Ω to 400 Ω
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Reference Resistance Accuracy
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0 Ω to 50 Ω: 0.002 Ω
50 Ω to 400 Ω: 0.004% RD
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Reference Characterizations
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ITS-90, CVD, IEC-751, Resistance
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Reference Measurement Capability
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4-wire PRT
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Reference Probe Connection
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6-pin lemo smart connector
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RTD Channels
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2
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RTD Measurement Accuracy (excl sensor) Compliance
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0 Ω to 25 Ω: 0.002 Ω
25 Ω to 400 Ω: 0.004% RD
400 Ω to 4K Ω: 0.008% RD
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RTD Measurement Resolution
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0 Ω to 400 Ω: 1 mΩ
400 Ω to 4K Ω: 0.01 Ω
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RTD Measurement Resistance Range
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0 Ω to 4K Ω
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RTD Characterizations
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PT10, PT25, PT50, PT100, PT200, PT500, PT1000, CU10, CU50, CU100, NI100, NI120
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RTD Connection
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Four 4 mm input jacks
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RTD Channels
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2 channels. Both accept 2, 3, or 4-wire RTDs
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TC Channel
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2
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TC Measurement Channels
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Mini TC terminals: Accepting S, R, K, B, N, E, J, T, C, D, G, L, and U
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TC Measurement Accuracy (excl sensor)
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ype K: ±0.13°C at 0°C ±0.15°C at 155°C ±0.18°C at 350°C ±0.24°C at 660°C
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TC Range
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–100 mV to 100 mV
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TC Resolution
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0.001 mV, Input Impedance<1 MΩ
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TC Voltage Accuracy
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0.02% RD + 5 µV
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Internal CJC Accuracy
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±0.35°C (ambient from 0 °C to 50 °C)
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Current Range
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–30 mA to 30 mA
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Current Accuracy
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0.02% RD + 2 µA
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Current Resolution
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0.001 mA, Input Impedance: < 10Ω
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Voltage Range
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–30 V to 30 V
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Voltage Accuracy
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±0.02% RD + 2 mV
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Voltage Resolution
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0.001V; Input impedance: < 1MΩ
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Switch Test
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Mechanical or Electrical
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DC 24V Output
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24 V ±1 V, MAX60 mA
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Hart Communication
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Optional (ADT875PC Model)
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Documentation
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Up to 1,000 tasks which store up to 10 results each containing as found and as left data. Snap shot feature allows for screen captures. Records auto step and ramp functions.
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Temperature Coefficient 0℃ to 8℃ and 38℃ to 50℃
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ADT875(PC)-155: ±0.005 °C/°C
ADT875(PC)-350/660: ±0.01 °C/°C
Ref Readout: ±1 ppm FS/°C
RTD Readouts: ±2 ppm FS/°C
TC Readouts: ±5 ppm FS/°C
Current: ±10 ppm FS/°C
Voltage: ±10 ppm FS/°C
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