LZ Flow Meter with variable area type metallic tube (hereafter called flow meter for short) is suitable for measuring flow rate of liquid, gas, and steam in the enclosed pipe.

This flow meter is designed with several types. Besides on-site indication type (LZZ type), types of indication plus alarm(LZKtype) and indication together with output of standard current signals corresponding to relevant flow rate (LZDtype) are also available. The output of LZD type flow meter contains three kinds:i.e.two wire system with 4~20 mA output, three wire system with 0~10mA output, and four wire system with 0~20ma outut, and 4~20mA output.They can be either matched with various electric articulated uni instruments or combined with computer to form a network thus carrying out remote display, record, regulation, integration, and control.

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