{"ob_id":50980,"names":[],"terms":[{"ob_id":2755,"label":"units","value":"micron","vocabulary":""},{"ob_id":2770,"label":"long_name","value":"Nominal uncalibrated channel diameter lower limits as given in the instrument manual","vocabulary":""},{"ob_id":2771,"label":"var_id","value":"PCAS2_D_L_NOM","vocabulary":""}]}