Winters PFH Series Hydraulic Stainless Steel Gauge. Applications: Ideal for pumps, compressors, hydraulic presses, machinery, pneumatic equipment and motors in harsh environments. Use where harmful vibration and pulsation are present. Dial: 2.5", white aluminum with black and red markings. Case: 304 SS. Ring: 304 SS, crimp-on. Lens: Polycarbonate. Socket: Brass. Bourdon Tube: Phosphor bronze. Movement: Brass. Pointer: Black Aluminum. Welding: Silver alloy. Socket and lens ring gasket: Buna N. Fill Plug: Buna N, vent able with brass plunger. Accuracy: +/-1.5%. Enclosure Rating: IP65. Working Pressure: Max 75 % of full scale value. Over-Pressure Limit: 25% for pressure up to 1,450 psi and 15% for pressure over 1,450 psi. Ambient/Process Temp: -40-200 F for dry gauges, and -4-150 F for filled gauges. Fill Fluid: Glycerin. Connection: 1/4" NPT Bottom. Range: 0-60 psi