Category: InstrumentsInstrument Category: CHTType: J - Black and YellowCalibration: Scale 250C @ 8.0 ΩWeight: 0.2Size: 2-1/4"Single or Dual?: SingleThe best value in the industry backed by a generous 3-year warrantyIncrease the life of your engine and enhance safety through proper monitoringCalibrated to true temperature—250 degrees Celsius at 8.0 ΩDesigned to provide temperature compensation for accurate readings year round, on the ground and at altitudeNo risk of malfunction during electrical failure—requires no external source of power for operationAttention homebuilders—easy installation with no electrical system requiredAll necessary mounting hardware includedAlcor instruments are designed, manufactured, and supported in the U.S.A.