2-1/2" Digital Industrial Vacuum Gauge, Stainless Steel, -15psi, Pack of 2 D123806

Description For air vacuum negative air pressure measuring, for media which is not corrosive to stainless steel wetted parts Dial size : 2-1/2" Pressure Range : -15psi, 4 digit display, 4 units, -15psi, -30inHg,-100kpa,-760mmHg, Batteries status display Pressure progress bar Process connection : 1/4"NPT male, lower mount Overload Capacity : 150% Accuracy : 1% Input Voltage : 3V (two 1.5V AAA batteries) Working temperature : -4 to 140 deg F/-20 to 60 deg C Ambient temperature : 140 deg F/60 deg C maximum Case : 304 stainless steel Wetted parts : 304 stainless steel IP Class : IP54 How to operate: Button Description: Power button : Long press to power on, short press to power off UNIT button : shortly press Unit button to change the unit circularly LIGHT button : Short press, the back-light will light on for 20 seconds, Long press for 5 seconds to calibrate to zero Package Content: 1 x Digital Pressure Gauge 1 x Operation Manual 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.