ZLD-2 type multistage flowmeter product introduction：

For the direct determination of underground mining working face, coal face and coal regional outburst instrument Shimen jie. In order to determine coal seam drilling gas inrush initial velocity for ZLD-2 type drilling multi meter, to predict the coal body in front of the working face of coal and gas outburst danger and inspection to prevent outburst prevention measures of coal and gas outburst. Also can be used to measure theeffective influence radius of outburst prevention drilling ahead.

ZLD-2 type multistage flowmeter main parameter

Measuring range: 0~1000PPM ethylene    
Working voltage: 9~13VDC intrinsically safe
Working current:≤62mA
The output signal: sensor has: frequency signal, the 200-1000HZ switch signal, 4-20MA current signal

ZLD-2 type multistage flowmeter figure photos