MG2-B-32-450-1-GC2-B-C PST50W-36-S24BN-H-DIN CEM DT-9883M particle counter QSCP251Q0R1C1GV001T CMF605R6000FKBF RB-SHELF 387-015-520-102 DW-01-07-L-S-248 DW-01-07-L-S-247 HTSW-110-22-T-D-RA