Case: 304 stainless steel
Dial: White aluminum with psi graduations in black and kPa graduations in blue 
Ring: 304 stainless steel, hermetically sealed or bayonet style (model BAY) 
Lens: Polycarbonate 
Pointer: Anodized black aluminum
Ambient temperature: -40 to 200°F / -40 to 93°C (For dry gauge)
Maximum process temperature: -40 to 200°F / -40 to 93°C (dry) -4 to 200°F / -20 to 93°C (Glycerin) -40 to 200°F / -40 to 93°C (Silicone) + 200°F / +93°C (Consult Pitanco Precision)
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 provinces.