The Stack Electrical Oil Pressure Gauge features a 90 degree air core movement to give the accuracy and reliability you come to expect from a Stack product. The white LED back light and illuminated needle ensure readability in all lighting conditions. With only 3 wire connection and no bulky connectors at the back of the gauge, fitting is straight forward in even the tightest of spaces.Accurate and reliable 90 degree air core movementWhite LED back light and illuminated needle for excellent night time visibilitySender unit includedPSI or Bar scale option52mm Gauge diameterStack electrical oil pressure gauges are available with white or black dial face in scales of 0-7 Bar or 0-100 Psi. The gauges are supplied with a sender unit which has a 1/8" NPT male thread (part number ST262242). Gauges which have a 0-7 Bar scale also include a 1/8" NPT female to M10 x 1 male adaptor. Adaptors for other thread types are available to purchase separately.