Welcome to the Transmitter Calibration Span Value Calculator! This tool is designed to assist you in accurately determining the calibration range of your industrial transmitters using a 4-20 mA current loop . How to Use the Calculator This guide explains how to calculate the span, LRV, and URV of a transmitter in a 4-20 mA … Continue reading Transmitter Calibration Span, LRV and URV Value Calculator from Measured 4 to 20 mA