AVO Biddle Megger 550055 Three Phase TTR Calibration Standard.

Multi-amp PSA-100 Combined Phase Shifter / Phase Angle Meter , Multimeter. Bargain Basement terms apply - see full description.

AVO Pulsar Megger Biddle Multi-Amp Universal Test System Model 10E3T3N-1/60 Relay Test Set in Field Enclosure w/ 3 Current & 3 Voltage Amplifiers

Biddle Multi-Amp AVO Pulsar Megger Universal Test System Model 10L3T3G-1/60 Relay Test Set in Laboratory / Benchtop Enclosure w/ 3 Current & 3 Voltage Amplifiers. GPIB.

Biddle Multi-Amp AVO Pulsar Megger Universal Test System Model 10L3T3N-1/60 Relay Test Set in Laboratory / Benchtop Enclosure w/ 3 Current & 3 Voltage Amplifiers.