DIFFERENTIAL MANOMETER Digital differential pressure gauge - pressure gauge GM520 by Benetech. Widely used in measuring fan pressure, air pressure, oven pressure, filter differential pressure, and monitoring the gas content in the air in the combustion process. It has the ability to show results in up to 11 units! Selection: bar, mbar, kPa, kgf/cm², mmHg, cmH2O, Ozf/in², psi, inHg, inH2O, ftH2O. This device features features such as the ability to save data, calibration, auto-off function (which increases battery life), and the ability to connect to a computer via USB for reading and exporting data. The measurement range in bar is 0 - 0.350 - detailed specification below. Save data and store it on your computer . TECHNICAL SPECIFICATIONS Accuracy: 0.3% FSO (25 ) Repeatability: 0.2% (Maximum/－0.5%FSO) Linearity/hysteresis: 0.29%FSO Response Time: Typically 0.5s Low battery indicator: Yes Upper overload: Err1 Underload: Err2 temp. use: 050 temp. storage: -1060 Power supply: 4 x 1.5 AAA batteries, Range/Resolution: 0.35/0.001(bar), 350/0.1(mbar), 35.0/0.01 (kPa), 0.356 /0.001 (kgf/cm²), 262.5/0.1 (mmHg), 356.6/0.1 (cmH2O), 81.20/0.01 (Ozf/in²), 5.076 /0.001 (psi), 10.33 /0.01 (inHg), 140.3 /0.1 (inH2O), 11.69 /0.01 (ftH2O), DESCRIPTION OF DISPLAY ELEMENTS Result hold function Data recording mode USB connection Low battery indicator Difference mode (DIF) Maximum/minimum/average Measurement value A unit of pressure Duration of data recording DESCRIPTION OF HOUSING ELEMENTS pressure inputs. LCD display. Difference button. Unit change button Backlight button. HOLD button. Data save button. Power button. PHOTOS AND KIT CONTENT 1 x pressure gauge 4 x 1.5V AAA batteries 1 x User Manual (in Polish) 1 x USB cable 1 x CD 2 x Milk silicone tube 2 x Transparent PVC tube We are a direct and authorized distributor of the BENETECH and WINTACT brands in Poland. We receive the document in electronic form a few days later.