Coolant Level Alarm Switch Model S85
Coolant Level Alarm Switch Model S85 is an active device which is designed to give an alarm signal if water/coolant based fluids falls below or rises above a present level. It will only signal after a 10 seconds delay in sensing the level to eliminate false alarms due to turbulence.
Containing a programmable microprocessor, the switch can offer one or two output pins which can sink to ground or supply a source voltage, or both.
Its tiny footprint with limited intrusion into the tank means a reduced risk of damage and a wide range of options and customisations makes it suitable for most applications.
Product background:
The Level Alarm Switch S85 series was introduced to the market over 10 years ago and since its inception over half a million sensors have been supplied proving it as a very robust and reliable product. It has now become an industry standard and is specified worldwide by many leading engine manufacturers including Perkins, Cummins and Caterpillar.
Fluid Types:
Water based fluids compatible with Brass, PTFE and NBR rubber.
Electrical Rating:
Supply Voltage: 5 VDC or 7 – 35 VDC
Supply Current: 1.5mA + source output
Max. Load Current: 1.0A (sink) or 20mA (source)
Alarm Delay Time: 0 – 25 secs rising or falling (factory set)
Connection: 4 way Delphi Packard connector
Start-up Delay: 1 – 5 secs
Construction:
Body: Brass
Probe: PTFE
Terminals: SAE CA210Brass, Tin Plated
Seals: NBR rubber
Connector: 30% Glass Filled Nylon 6
Thread sealant: Vibra-Seal 516
