â·ÃÊͺ¶ÒÁÃÒ¤Ò à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ 3-Channel Pressure Datalogger SD750 SD750 3-Channel Pressure Datalogger Records data to SD card in Excel® format. Features: Triple LCD simultaneously displays 3 pressure channels Up to 5000psi with 4-20mA output 4-20mA input with readout in 9 units of measure Datalogger date/time stamps and stores readings on an SD card in Excel® format User-selectable data sampling rate: 5, 10, 30, 60, 120, 300, 600 seconds or auto Complete with six AAA batteries, 2G SD card, universal AC adaptor, three connectors, and mounting bracket Transducers sold separately Specifications: 30psi bar: 0.002 to 2 bar psi: 0.02 to 30 psi kg/cm2: 0.002 to 2.040 kg/cm2 mmHg: 2 to 1500 mmHg inHg: 0.05 to 59.05 inHg mH2O: 0.02 to 20.40 mH2O inH2O: 1 to 802 inH2O atm: 0.002 to 1.974 atm kPa: 0.2 to 200.0 kPa 150psi bar: 0.01 to 10 bar psi: 0.2 to 150 psi kg/cm2: 0.01 to 10.19 kg/cm2 mmHg: 10 to 7500 mmHg inHg: 0.2 to 295.2 inHg mH2O: 0.1 to 101.9 mH2O inH2O: 5 to 4010 inH2O atm: 0.01 to 9.87 atm kPa: 1 to 1000 kPa 300psi bar: 0.02 to 20 bar psi: 0.2 to 300 psi kg/cm2: 0.02 to 20.40 kg/cm2 mmHg: 20 to 15000 mmHg inHg: 0.5 to 590.5 inHg mH2O: 0.2 to 204.0 mH2O inH2O: 10 to 8020 inH2O atm: 0.02 to 19.74 atm kPa: 2 to 2000 kPa Memory: 2M data using 2G SD memory card Dimensions/weight: 5.2 x 3.1 x 1.3" (132 x 80 x 32mm)/ 7oz (199g) Differential Pressure Meter Extech Manometer SD750 à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ