Found 2 HP 3437A Fast sampling System Multimeters.
TriaxBNC https://go.tonyalbus.com/TriaxBNC
TriaxCable https://go.tonyalbus.com/TriaxCable
Volt/Current Pro LB02A
Volt/Current Pro LB02A
DMMcheckPlus
Volt/Cur FNIRSI SG003A
Volt/Cur FNIRSI SG003A
Voltage/Current LB02G
Voltage/Current LB02G
Voltage/Current LB02G
#HP #3437A