Guildline Instruments 9230A SERIES of precision DC current shunts / standards are true 4-terminal devices intended for the precise measurement of DC current. The most accurate and widely recommended DC shunt available today!

GUILDLINE INSTRUMENTS 9211B PRECISION MULTI-TAP CURRENT SHUNT is an improved version of the world's most widely fielded multi-tap shunt available, the model 9211A.

GUILDLINE INSTRUMENTS 9711B DC PRECISION CURRENT 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 an ISO/IEC 17025 Accredited Report of Calibration giving the measured values is furnished.