Ultra Precision Digital I/O Gauge Head is available in five bipolar measurement ranges, with standard strokes from ± .050 inches to ± 1.0 inch. The single ended 8.5 to 30.0 volt dc. input and two-wire, addressable RS-485 output,make the GC-485 ideally suited to factory automation applications. .05% Linearity Up To 32 Sensors On One 2-Wire Network 100% Interchangeability Without Calibration Hermetically Sealed Design MOD-Bus ASCII & RTU Output Factory Calibrated English or Metric Output Programmable Filtering Velocity Output Input Voltage 8.5 to 30 V dc. Input Current 50 mA. nominal. Operating Temp. -13ºF to 185ºF (-25ºC to 85ºC) Storage Temp. -65ºF to 200ºF -55ºC to 95ºC