Tektronix P6156 Oscilloscope Voltage Probe 154939131575 but its flashing NO RPM

but its flashing NO RPM

Manufacturer Mitel Anatel Part Number 68637

Manufacturer Rainin Model Number EDP3 SKU 19-66826 Ref 23-94948

The power cord is loose and its missing the thing on top of the lid

Includes Optic Light Source as pictured

Tektronix P6156 Oscilloscope Voltage Probe 154939131575 but its flashing NO RPMCondition Used Description Recently removed from working service and guaranteed functional. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes Probe as pictured. No additional items or accessories are included. Pictures are of one of the actual units available. Inventory is on hand and ready to ship. Please feel free to message us with any questions you may have. Specifics Manufacturer Tektronix Model