Restriction Indicators

should be screwed on the air cleaner nipple by hand
ServiSignal™ (mechanical) shows a red flag when restriction limit is reached
Informer™ (mechanical) provides a continuous reading whether the engine is running or shut down
Electrical indicators:
Contacts are normally in the open position and have no polarity
Maximum load: 6 watts (light or buzzer)
12 V - 24 V
Operating temperatures of -10ºC to +100ºC
If inductive load can occur, appropriate protection must be provided
Mechanical Indicators:

SF-article mbar Pa mm H2o fitting
ServiSignal™ mechanical        
X 00-2250 37 3700 380 1/8"-27 NPT
X 00-2251 50 5000 508 1/8"-27 NPT
X 00-2252 62 6200 635 1/8"-27 NPT
X 00-2254 75 7500 762 1/8"-27 NPT
Informer™ mechanical        
X 00-2278 50 5000 508 1/8"-27 NPT
X 00-2277 62 6200 635 1/8"-27 NPT
X 00-2275 75 7500 762 1/8"-27 NPT



Electrical Indicators:

SF-article mbar Pa mm H2o fitting
Electrical indicator        
X 77-0037 37 3700 380 1/8"-27 NPT
X 77-0050 50 5000 508 1/8"-27 NPT
X 77-0052 50 5000 508 M10x1
X 77-0061 62 6200 635 M10x1
X 77-0062 62 6200 635 1/8"-27 NPT
X 77-0075 75 7500 762 1/8"-27 NPT
Electrical indicator with AMP connectors        
X 77-0225 64 6400 627 M10x1
X 77-0301 54 5400 530 M10x1
X 77-0316 54 5400 530 1/8"-27 NPT
X 77-0317 64 6400 627 1/8"-27 NPT
X 77-0526 75 7500 762 1/8"-27 NPT


  •  
    SF item
    Type
    Note
  • SF item X 00-2250
    TypeSoiling indicator
    Note37 mbar - 3700 Pa - 1/8"-27 NPT
  • SF item X 00-2251
    TypeSoiling indicator
    Note50 mbar - 5000 Pa - 1/8"-27 NPT
  • SF item X 00-2252
    TypeSoiling indicator
    Note62 mbar - 6200 Pa - 1/8"-27 NPT
  • SF item X 00-2254
    TypeSoiling indicator
    Note75 mbar - 7500 Pa - 1/8"-27 NPT
  • SF item X 00-2278
    TypeSoiling indicator
    Note50 mbar - 5000 Pa - 1/8"-27 NPT
  • SF item X 00-2277
    TypeSoiling indicator
    Note62 mbar - 6200 Pa - 1/8"-27 NPT
  • SF item X 00-2275
    TypeSoiling indicator
    Note75 mbar - 7500 Pa - 1/8"-27 NPT
  • SF item X 77-0037
    TypeSoiling indicator
    Note37 mbar - 3700 Pa - 1/8"-27 NPT
  • SF item X 77-0050
    TypeSoiling indicator
    Note50 mbar - 5000 Pa - 1/8"-27 NPT
  • SF item X 77-0052
    TypeSoiling indicator
    Note50 mbar - 5000 Pa - M10x1
  • SF item X 77-0061
    TypeSoiling indicator
    Note62 mbar - 6200 Pa - M10x1
  • SF item X 77-0062
    TypeSoiling indicator
    Note62 mbar - 6200 Pa - 1/8"-27 NPT
  • SF item X 77-0075
    TypeSoiling indicator
    Note75 mbar - 7500 Pa - 1/8"-27 NPT
  • SF item X 77-0225
    TypeSoiling indicator
    Note
  • SF item X 77-0301
    TypeSoiling indicator
    Note54 mbar - 5400 Pa - M10x1
  • SF item X 77-0316
    TypeSoiling indicator
    Note54 mbar - 5400 Pa - 1/8"-27 NPT
  • SF item X 77-0317
    TypeSoiling indicator
    Note64 mbar - 6400 Pa - 1/8"-27 NPT
  • SF item X 77-0526
    TypeSoiling indicator
    Note75 mbar - 7500 Pa-1/8"-27 NPT

Any questions? We are at your service!

Do you have any questions regarding our products or would you like a personal advice? No problem, contact us directly.
We'll be pleased to help you!

  • info.ch@sf-filter.com
  • +41 44 864 10 60
  • SF-Filter AG, Kasernenstrasse 6, CH-8184 Bachenbülach