Range: (-)1 to 1600 kg /cm2Protection: Weatherproof to IP - 68 (IS 13947 part I) - Flameproof to IIA IIB (equivalent to NEC C1. I, Div. 2, Gr. C & D)Dial: 100 mm / 150 mmCase: Diecast aluminiumBourdon: SS316 Ti, Monel, Phosphor Bronze, SS316LMovement: SS304 for SPST, brass (with SPDT microswitch)Accuracy: ± 1% FSD for indication ± 2% FSD for switchingOverrange: 130% FSD