If the photograph is clicked, it grows.

Wayne kerr 3220 20A DC Bias unit
JPY350,000 1 stock
lcr277

AC Drive 250mV-1Vrms 25mA-100mArms
DC Bias 200mA-20A step 100mA <20KHz acc1%
Protection AC impedance <41Kohms
Excess Voltage Drop 13V> DC+AC(Peak)

AC 115-230 +-10% 400W 435-195-470mm 16.2Kg
BNC(M9-(m) cable X4, 25pin Cable ,Power cord