Specifications Display 0.37” (9.4 mm). Overrange: three lower order digits blank. Supply Voltage: 5-40 Vdc, 10-51 mA. Input Ranges: 199.9µA, 1.999mA, 19.99mA, 199.9mA, 1.999A, 19.99A Performance Accuracy: 0.2% FS. Sampling Rate: 2.5 per second. Environment: Operating Temperature: -10 to 50 °C Max Humidity: 95% (non-condensing) Connection: 4 terminal.