Siemens QBM8120 Differential pressure monitor New Original

Siemens QBM81-20 Differential pressure monitor，Measuring Range (Pressure): 500…2000 Pa，Application: Flow switch or filter monitoring in air ducts，Mounting Position: Vertical diaphragm, pressure ports facing downward，Switching Voltage (Digital Output): AC 24…250 V; 24 V，Switching Current (Digital Output): 0.01…5 A (resistive), max 3 A (inductive)   hot selling   1 year warranty   Best choice and best discounts   Contact us:alice@cn2014.com