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testo 510 Digital Manometer I Dual-Port Differential Pressure Meter for air Conditioning Systems and Ventilation ducts: Amazon.com: Industrial & Scientific
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Testo 557s Smart Vacuum Kit Digital Manifold with Wireless Temperature and Vacuum Probes
Range 0 to 100 hPa Testo510 Temperature Compensation Manometer Testo 510 Digital Auto-Ranging Differiental Pressure Meter - AliExpress