If the photograph is clicked, it grows.

Tektronix A6907 4ch DC-60MHz Isolator
JPY150,000 1stock
os2311







4ch DC-60MHz AC/DC 100mV-200V/div Max850V(AC+DC) Isolation(Optical) Selfcal
Output 50ohms 100mV/div BNC(f)
GP-IB no probes

Maker Price:926,000-
User's Manual,Probe(010-0576-00),BNC Cable(50ohm),
50ohm Termination,