इसी प्रकार केC1944

• C1942
  • Channel photomultiplexer, 3/4 inche, window material quartz, dark current 800 pA.
• C1942P
  • Channel photomultiplexer, 3/4 inche, special type for photon counting, dark counts 100 cps.
• C1943
  • Channel photomultiplexer, 3/4 inche, window material UV glass, dark current 800 pA.
• C1943P
  • "Channel photomultiplexer, 3/4 inche, special type for photon counting, dark counts 100 cps."
• C1944
  • Channel photomultiplexer, 3/4 inche, window material borosl., dark current 800 pA.
• C1944P
  • Channel photomultiplexer, 3/4 inche, special type for photon counting, dark counts 100 cps.