GUILDLINE INSTRUMENTS 9711B DC SHUNT is a four-terminal rack mount or bench instrument designed for convenient measurement of current in nine ranges from 10 microamperes to 300 amperes. Voltage output at full rated current on all ranges is 0.1 volt. Accuracy is calibrated at 23 0C, and a ISO/IEC 17025 Accredited Report of Calibration giving the measured values is furnished. Based on the world’s most widely fielded Multi-Tap Shunt, the 9711A model, the 9711B model provides design enhancements for Current Connections, Air Flow through the unit and operator markings on the shunts. All connections and adjustments are accessible on the front panel. Separate current and potential terminals are provided. Range selection is made by means of two brass plugs inserted in pairs of ports on the panel. The 9711B is supplied in either a bench or rack mount configuration.