Arena Service Manual
14.2 PHYSICAL DESCRIPTION
The BLD assembly consists of a harness with a high efficiency
green LED and a photocell, and a housing with a cover. Spent
dialysate passes through this assembly allowing the BLD to detect
blood in this fluid.
See Figure 14-2 for the location of the BLD in the back of the
hydraulics module, and Figure 14-3 for an exploded view of this
detector.
Figure 14-2. BLD Location Inside the Instrument
14-4 157-1278-921 Rev A
April 2004