Calibration Resistor for Multimeters with Accurate Resistance of 25PPM

Four Wire Resistance Calibration Board with Six Resistance Values for Testing

Multimeter Calibration Resistor with 0 1 Percent Accuracy and Reliable Design

Calibration Board for Multimeter Fourwire Resistance Testing Six Values

Resistance Calibration Board with Six Values for Accurate Ohmmeter Testing

Calibration Resistor for Multimeters 0 1 Accuracy 25PPM Tested Quality

Standard Resistor Calibration Board with Six Resistance Levels for Testing

Four Terminal Resistance Calibration Board Suitable for Lab and Field Use