BENETECH GM505 GM510 GM511 GM520 Handheld Digital Pressure Gauge Testeru00A0 Meter Manometer GM505 Features: x Large LCD x Data hold x With differential mode and record mode x USB-poort x Reset en data adjustment x Low battery indication and automatic power off u00A0Specifications: x Measuring range: 2.49kPa x Accuracy: 0.25 percent FSO x Repeatability: 0.2 percent (Maximum 0.5 percent ) x Linearity or hysteresis: 0.29 percent x Response: Typical 0.5 s x Low battery indication x USB communication x Up overload indication x Down overload indication x Operating temperature: 0 -50 8451 x Storage temperature: -10-60 8451 x Power supply: 1.5V AAA batteryx4 ( No included ) Manometer GM510 Measuring range: 10kPa Accuracy: 0.3 percent FSO(25 8451 ) Repeatability: 0.2 percent (Maximum 65291 or 65293 0.5 percent FSO) Linearity or hysteresis: 0.29 percent FSO Response: Typical 0.5 s Low battery indication USB communication Up overload indication: Err1 Down overload indication: Err2 Operating temperature: 0-50C Storage temperature: -10-60C Power supply: 1.5V AAA batteryx4 GM510 GM511 GM520 Manometer GM510: x Measuring range: 10kPa x Accuracy: 0.3 percent FSO(25 8451 ) x Repeatability: 0.2 percent (Maximum 65291 or 65293 0.5 percent FSO) x Linearity or hysteresis: 0.29 percent FSO x Response: Typical 0.5 s x Low battery indication x USB communication x Up overload indication: Err1 x Down overload indication: Err2 x Operating temperature: 0-50C x Storage temperature: -10-60C x Power supply: 1.5V AAA batteryx4 Manometer GM511 x Measuring range: 10kPa x Accuracy: 0.3 percent FSO(25 8451 ) x Repeatability: 0.2 percent (Maximum 65291 or 65293 0.5 percent FSO) x Linearity or hysteresis: 0.29 percent FSO x Response: Typical 0.5 s x Low battery indication x USB communication x Temperature Compensation Function x Up overload indication: Err1 x Down overload indication: Err2 x Operating temperature: 0-50C x Storage temperature: -10-60C x Power supply: 1.5V AAA batteryx4 Manometer GM520 xMeasuring range: 350kPa x Accuracy: 0.3 percent FSO(25 8451 ) x Repeatability: 0.2 percent (Maximum 65291 or 65293 0.5 percent FSO) x Maximum Pressure: 150kPa x Linearity or hysteresis: u00B10.29 percent FSO x Response: Typical 0.5 s x Low battery indication x USB communication x Up overload indication: Err1 x Down overload indication: Err2 x Operating temperature: 0-50C x Storage temperature: -10-60C x Power supply: 1.5V AAA batteryx4