BE211B series Heidenhain Monitor, with a Heidenhain system number of 23626001 is a TNC 1xx generation Heidenhain monitor, that was fitted on the Heidenhain system series TNC 145, 150 controls. The BE211B is a 12″ amber display. The replacement for this is apptly named the DNC 211B. The replacement, DNC211B, is a complete rebuild using existing metal work from your faulty monitor with new electronics, cabling and crt display replacing the Heidenhain BE211B monitor, and will physically and electronically work in all Heidenahin controls, that were originally fitted with the BE-211B. The DNC 211B retails @ £695.00 GBP, plus any additional charges, such as delivery and packaging.