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COLOUR POLARIZED FILTERS FOR A CAMERA. THE FUNCTION OF THESE FILTERS IS TO EXAGGERATE CERTAIN COLOURS IN THE PHOTOGRAPH DEPENDING ON WHAT COLOUR FILTER IS USED. IT REDUCES THE GLARE OF REFLECTIONS IN THE IMAGE AND CAN HELP TO TAKE PHOTOGRAPHS THROUGH TRANSPARENT REFLECTIVE SURFACES SUCH AS WINDOWS. THE FRAME OF THE FILTER IS MADE FROM PLYWOOD AND THE FILTER IS MADE FROM POLYCARBONATE. THERE ARE FOUR FILTERS AVAILABLE. LIGHT GREY POLARIZED FILTER GREY POLARIZED FILTER ORANGE POLARIZED FILTER BROWN POLARIZED FILTER

A METAL SOLENOID MANOSTAT. USED ON CIVILIAN COMMERCIAL AIRCRAFT. NON-ELECTRONIC. MAINLY CONSISTS OF: A THERMOSTAT ASSEMBLY. A SOLENOID ASSEMBLY. A NON-RETURN ASSEMBLY. INSTALLED IN THE PRESSURE CONTROL AND LIMITATION SECTION OF THE ENGINE BLEED SYSTEM. IT CAUSES THE FORMER TO CLOSE, WHICH IN TURN LIMITS THE PRESSURE DELIVERED BY THE AIR BLEED SYSTEM. TRIGGERING POINT 235/270 DEGREES C. IT CONTINUOUSLY SENSES THE TEMPERATURE OF THE AIR DELIVERED DOWNSTREAM (OF THE) PRECOOLER HEAT EXCHANGER OF THE BLEED AIR SYSTEM, AND MONITORS THE DIFFERENTIAL PRESSURE BETWEEN THE UPSTREAM OF THE BLEED PRESSURE REGULATING VALVE, AND THE DOWNSTREAM SIDE OF (THE) PRECOOLER. IT LIMITS THE AIR DELIVERY THROUGH THE BLEED AIR SYSTEM BY CONTROLING THE CLOSING OF THE BLEED PRESSURE REGULATING VALVE PNEUMATICALLY. WEIGHT 1.25 TO 1.3 LBS (0.57 TO 0.59 KG). SOLENOID ELECTRICAL POWER SUPPLY 17 TO 30 VDC.

BLEED AIR REGULATOR, A PNEUMATIC CONTROLLER DESIGNED TO PROVIDE A REGULATED CONTROL PRESSURE, WITH ELECTRICALLY CONTROLLED SHUTOFF FROM A BLEED AIR SOURCE. THE BLEED AIR REGULATOR CONTAINS A PNEUMATIC PRESSURE SWITCH, REFERENCE PRESSURE REGULATOR, REVERSE FLOW SWITCH ASSSEMBLY, RELIEF VALVE ASSEMBLY AND SOLENOID VALVE ASSEMBLY MOUNTIED IN OR ON A METAL HOUSING.

4 ND FILTERS, THE PURPOSE OF THE FILTERS IS TO REDUCE THE AMOUNT OF LIGHT COMING INTO A SENSOR ALLOWING MORE CONTROL OF A CAMERAS APERTURE. PLASTIC OUTER COMPONENT WITH A GLASS INSERT.

POLARISING FILTER FOR USE WITH A DASH CAM. ATTACHES TO THE FRONT OF THE CAMERA USING 3M TAPE TO STICK TO THE FRONT OF THE LENS HOUSING, THERE IS ALSO A MECHANICAL LOCATING PART TO ENSURE THE FILTER IS LOCATED AND SEATED PROPERLY. THE FILTER ALTERS THE PASSAGE OF LIGHT TO REDUCE GLARE AND REFLECTION, THERE IS A METAL GAUZE WITHIN IT. IT IS MADE OF GLASS INCORPORATES METAL GAUZE. THE DIAMETER IS 22MM (OUTER HOUSING 24MM)