def read_bin_particle_density(self):
config = []<EOL>self.cnxn.xfer([<NUM_LIT>])<EOL>sleep(<NUM_LIT>)<EOL>for i in range(<NUM_LIT:4>):<EOL><INDENT>resp = self.cnxn.xfer([<NUM_LIT>])[<NUM_LIT:0>]<EOL>config.append(resp)<EOL><DEDENT>bpd = self._calculate_float(config)<EOL>return bpd<EOL>
Read the bin particle density

        :returns: float