<b>Description</b><br>This liquid filled pressure gauge is designed for media which is not corrosive to brass, also where vibration and pulsation is a concern.<br><br> Dial size : 2-1/2"<br> Process connection : 1/4"NPT lower mount<br> Case : 304 stainless steel case and crimped ring<br> Window : Polycarbonate<br> Dial plate : aluminum, with pointer stop<br> Pointer : Aluminum, black, DIN style<br> Boudon tube : Copper alloy<br> Movement : Brass<br> Connection : Brass, one piece design<br> Oil cap : rubber, gray color<br> Filling : Glycerin filled, dampens the effect of vibration and pulsation; lubricates the movement and extends the life of gauge.<br> IP class : IP67<br> Accuracy : +/-3-2-3%<br> Range : 0-30psi/kpa dual scale, psi outside, kpa inside<br> Working temperature : -4 to 140 deg F/-20 to 60 deg C<br> Ambient temperature : 140 deg F/60 deg C maximum <br><br><br> <b>Measureman has 20 years rich experience in the measuring of pressure, temperature, flow, level industries, The "Measureman" branded products are the combination of continuous good quality and affordable price. "Measureman" products are selected and designed by professional engineers. </b>