Model: 21 (1.8 m³/min), Input/Output: NPN, Input/Output, Power Supply Cable, AC Adapter: Z (w/Power Supply Cable, 10m), Bracket: B (w/Bracket), Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Model: 31 (4.4 m³/min), Input/Output: NPN, Input/Output, Power Supply Cable, AC Adapter: Z (w/Power Supply Cable, 10m), Bracket: B (w/Bracket), Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Model: 21 (1.8 m³/min), Input/Output: P (PNP, Input, Output), Power Supply Cable, AC Adapter: w/Power Supply Cable, 3m, Bracket: B (w/Bracket), Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Model: 31 (4.4 m³/min), Input/Output: P (PNP, Input, Output), Power Supply Cable, AC Adapter: w/Power Supply Cable, 3m, Bracket: B (w/Bracket), Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Model: 21 (1.8 m³/min), Input/Output: NPN, Input/Output, Power Supply Cable, AC Adapter: w/Power Supply Cable, 3m, Bracket: B (w/Bracket), Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Model: 31 (4.4 m³/min), Input/Output: P (PNP, Input, Output), Power Supply Cable, AC Adapter: Q (w/AC Adapter, w/AC cord), Bracket: B (w/Bracket), Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit)
Model: 31 (4.4 m³/min), Input/Output: NPN, Input/Output, Power Supply Cable, AC Adapter: Q (w/AC Adapter, w/AC cord), Bracket: B (w/Bracket), Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit)
Model: 21 (1.8 m³/min), Input/Output: NPN, Input/Output, Power Supply Cable, AC Adapter: R (w/AC Adapter, w/o AC Cord), Bracket: None, Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Model: 21 (1.8 m³/min), Input/Output: NPN, Input/Output, Power Supply Cable, AC Adapter: Q (w/AC Adapter, w/AC cord), Bracket: None, Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Model: 31 (4.4 m³/min), Input/Output: NPN, Input/Output, Power Supply Cable, AC Adapter: Q (w/AC Adapter, w/AC cord), Bracket: None, Automatic Cleaning Unit, Louver: S (w/Automatic Cleaning Unit), Filter: U (w/Filter)
Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
, w/o Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
/o Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
/o Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
w/o Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
, w/o Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]
, w/o Station Number), DIN Rail Option: 0 [w/o DIN Rail, (w/Bracket)]