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
Image 1

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
Please select your indicator by clicking in the first blue frame. Information about availability and price will be provided for you when you are logged on. Or send us an enquiry.
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