Sensor Power - National Instruments WSN-3226 User Manual And Specifications

Resistance Accuracy*
Measurement
Range Conditions
400 Ω
Typical
(25 °C, ±5 °C)
Maximum
(–40 °C to 70 °C)
4000 Ω
Typical
(25 °C, ±5 °C)
Maximum
(–40 °C to 70 °C)
100 kΩ Typical
(25 °C, ±5 °C)
Maximum
(–40 °C to 70 °C)
*
Up to 5 m of 22 AWG copper leads, 5% lead length mismatch.

Sensor Power

Voltage ...................................................................12 V ±10%
Current ...................................................................50 mA maximum
Protection
Short circuit proof..........................................Indefinitely
Overvoltage protection...................................±30 V
Digital I/O
Number of channels ...............................................2
Power-on output state.............................................High impedance
DIO pin capacitance...............................................2000 pF
Digital Input
Modes (configurable per channel)
Input voltage range ................................................0 to 30 VDC maximum
© National Instruments Corporation
Percent of Percent of
Range Reading
(Offset (Gain
Error) Error)
±0.02% ±0.01%
(±0.08 Ω)
±0.08% ±0.2%
(±0.32 Ω)
±0.005% ±0.01%
(±0.2 Ω)
±0.05% ±0.15%
(±2 Ω)
±0.005% ±0.01%
(±5 Ω)
±0.05% ±0.21%
(±50 Ω)
.........................24V
27
Typical Temperature Drift
Offset
±6 mΩ/°C ±10 ppm/°C
±13 mΩ/°C ±11 ppm/°C
±0.3 Ω/°C
±18 ppm/°C
Sinking, 24V Sinking with Power
TTL Logic, Contact Closure
NI WSN-3226 User Guide and Specifications
Gain Noise
0.005 Ω
rms
0.02 Ω
rms
5 Ω
rms
Management,