Instrument Rangeability & Span Calculator

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This tool helps instrumentation engineers define and verify the optimal span and range settings for process transmitters. Proper range and span selection are crucial for measurement accuracy, resolution, and overall process control performance across various industries worldwide.

Sensor & Process Limits

Sensor Lower Range Limit (LRL)

Sensor Upper Range Limit (URL)

Required Process Minimum (P_min)

Required Process Maximum (P_max)

Transmitter Output & Desired Span

Transmitter Output Minimum (O_min)

Transmitter Output Maximum (O_max)

Desired Transmitter LRV

Desired Transmitter URV

Advanced Instrument Parameters

Instrument Hysteresis

Instrument Resolution (bits)

Adjustable Zero Min (% URL)

Adjustable Zero Max (% URL)

Adjustable Span Min (% URL)

Adjustable Span Max (% URL)

Process Variable Unit

Calculation Results

Sensor Range, Process Range, and Transmitter Span Visualization

Process Range

Transmitter Span

LRL URL

Status: N/A

Parameter	Value