The handy and intelligent testo 510i differential pressure measuring instrument featuring professional measuring technology and smartphone operation for measuring differential pressure, air flow velocity and volume flow. Measuring range: -150 to +150 hPa Accuracy: ±0.05 hPa (0 to +1 hPa), ±(0.2 hPa + 1.5 % of mv) (+1 to +150 hPa) Resolution: 0.01 hPa; Operating temperature: -20 to +50 °C Product-/housing material: ABS / TPE System requirements: iOS 8.3 or newer; Android 4.3 or newer; mobile end device with Bluetooth 4.0 Weight: 92 g Product colour: black/orange
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