Sensors, Switches and Controls for Heavy-Duty Equipment
Since 1976, Index Sensors & Controls in Washington, USA has made the switches, sensors and controls that monitor, control and protect trucks, engines, agricultural, off-road and industrial machines. Norman G Clark supplies and supports Index in Australia.
Not sure what you need? Call (03) 9116 9200 and talk it through with our team.
Solutions
What Do You Need to Do?
Trucks & buses. Heavy-duty highway engines, transmissions, brakes and A/C.
Construction & mining. Off-road machines, hydraulics and engines.
Agriculture. Tractors, harvesters and lawn care.
Power generation & industrial. Generator sets, pumps, fans and industrial machines.
Marine & defence. Marine engines and defence vehicles.
Measure Pressure, Temperature or Level
Sensors that feed a gauge, ECM or controller.
Switch at a Set Point
Turn on a fan, warning light or shutdown at a set pressure or temperature.
Protect the Air Conditioning
Stop rapid cycling that wears out A/C clutches and compressors.
Warn of Low Coolant or Water in Fuel
Probes that alert the driver before the engine is damaged.
The range
Index Sensors & Controls Products
Measure pressure, temperature or level
Sensors
Pressure, temperature, level and position sensors – OEM replacements for trucks and engines.
Up to 15,000 psi
Switch at a set point
Heavy-Duty Pressure Switches
Mechanical pressure switches that handle vibration and last up to a million cycles.
Up to 1,000,000 cycles
Switch at a set point
Heavy-Duty Temperature Switches
Mechanical temperature switches with tight tolerances and a million-cycle life.
Up to 1,000,000 cycles
Switch at a set point
Electronic Temperature Switches
Solid-state switches with one or two set points – no moving parts.
±0.8 °C accuracy
Switch at a set point
Universal Temperature Switch
Two programmable outputs – switching, timed, blinking or linear – from one sensing point.
2 custom outputs
Warn of low coolant or water in fuel
Liquid Level Probes
Coolant level and water-in-fuel probes that warn before the engine is damaged.
−40 to 125 °C
Protect the air conditioning
ACX-10 A/C Life Extender
Stops A/C clutch rapid cycling and protects against bad voltage.
Max 4 cycles a minute
Protect the air conditioning
APAds A/C Protection
Full A/C control, protection and diagnostics, with year-round lubrication.
65% less A/C maintenance
Why Index, through Norman G Clark
Proven on Millions of Engines
Since 1976
Index has made heavy-duty switches and sensors for nearly 50 years.
OEM Quality
Supplied to engine and vehicle makers; ISO 9001:2015 certified.
Over 2,000 Parts
Cross-referenced to Cummins, Caterpillar, Detroit Diesel, Navistar, Volvo and more.
Local Support
Norman G Clark finds the right part and custom specs – call (03) 9116 9200.
Literature
Catalogues and Data Sheets
Catalogue
- Index product catalogue
Sensors, switches, probes and controls, with OEM cross-references · PDF, 9.0 MB - Sensor cross-references
Pressure, temperature, level and position sensors by OEM part number · PDF, 9.0 MB - Pressure switch part list
Mechanical pressure switches by thread, set and reset point · PDF, 9.0 MB - Temperature switch part lists
Electronic and mechanical temperature switches · PDF, 9.0 MB - Probe and A/C part lists
Liquid level probes, APAds and ACX-10 part numbers · PDF, 9.0 MB
Talk to Us About Your Application
Tell us about the job – the machine, the conditions and what it has to do – and we’ll help you choose the right Index Sensors & Controls product.