The Reed R3030 digital manometer measures gauge and differential pressure up to 30 psi. Provides accurate measurements in 11 different units of measure and is capable of taking gauge and differential pressure. Internal memory of the Reed R3030 captures maximum and minimim measurements. | Features Measures gauge and differential pressure up to 30psi 11 selectable units of measure: psi, inH2O, bar, mbar, kPa, inHg, mmHg, ozin², ftH2O, cmH2O, kgcm² Displays pressure and real-time clock simultaneously Large, easy-to-read backlit LCD display Internal memory saves Max and Min measurements Data hold function Low battery indicator and auto shut off | Includes Digital Manometer 2 Connection Hoses Battery Hard Carrying Case | Specifications Measuring Ranges 30.00 psi830.4 inH2O2068 mbar206.8 kPa61.08 inHg1551 mmHg480.0 ozin²69.20 ftH2O2101 cmH2O2.109 kgcm²2.068 bar Accuracy ±0.3% FS Resolution 0.02 psi0.5 inH2O2 mbar / cmH2O0.2 kPa0.04 inHg1 mmHg0.3 ozin²0.04 ftH200.002 kg/cm² / bar Repeatability ±0.2% FS Linearity/Hysteresis ±0.29% FS Max Pressure 60 psi Display 4-digit, Dual LCD Display Backlit Display Yes Data Hold Yes Min Yes Max Yes Differential Pressure Yes Response Time 2 times/sec. Internal Memory Yes Auto Shut-off Yes (after 20 mins/off) Low Battery Indicator Yes Power Supply 9V battery Product Certifications CE Operating Temperature 32 to 122°F (0 to 50°C) Storage Temperature 14 to 140°F (-10 to 60°C) Operating Humidity 10-80% Dimensions 7.2 x 2.8 x 1.2" (182 x 72 x 30mm) Weight 7.8 oz (220g) | Applications Troubleshoot heating ventilation and air conditioning (HVAC) systems and a variety of low-pressure pneumatic or gas systems Pressure transmitter calibration for process instrumentation Detect blockages in filters, condensers and chillers (water filter steam power plant) Testing of pressure switches and other relief devices Calibrating pressure transmitters Calibrating pressure recorders | Documents R3030 Data Sheet R3030 Manual Contact us to learn more about digital manometers