Case: Steel, painted black 
Dial: White aluminum with psi graduations in black, kPa in blue (Std), kPa in green (-X)
Ring: Steel, painted black
Lens: Polycarbonate 
Pointer: Steel, painted black 
Connection: ⅛ or ¼ in nptm bottom or center back mount 
Wetted parts: Brass (Std), Lead Free Brass (-X) 
Bourdon tube: Phosphor bronze 
Maximum process and ambient temperature: -40 to 200°F / -40 to 93°C 
Recommended pressure: Maximum 75% of full scale value 
Overpressure limit: 25% over full scale value 
Accuracy: ASME B40.100(B40.1), Grade B ± 2 % 
Certification: Canadian Registration Number (CRN) for all province