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testo 550i Smart Kit – App-controlled digital manifold with wireless clamp temperature probes | Digital manifolds for refrigeration and air conditioning systems | Manifolds | Pressure measurement | Website | Testo Thailand
testo 510 Digital Manometer I Dual-Port Differential Pressure Meter for air Conditioning Systems and Ventilation ducts: Amazon.com: Industrial & Scientific
testo 510 Digital Manometer I Dual-Port Differential Pressure Meter for air Conditioning Systems and Ventilation ducts: Amazon.com: Industrial & Scientific