Measurement while vertical holes, horizontal holes, elevation holes and branch holes were drilled.

Main applications: coal mine with high gas, high dust and high humidity, useful for measurement while vertical holes, horizontal holes, elevation holes and branch holes were drilled.   

 

Technical specifications:

Angle measurement and accuracy: drilling holes inclination±90° accuracy ±0.2°

Drilling holes azimuth±0-360°  accuracy ±1.5°

Tool face angle for spiral drilling tools: ±0-360°accuracy±1.5°

Hours of operation    ≥60 Day

Probe pressure limit   12MPa

Communication distance    ≥1000m

Explosion-proof types: intrinsically safe equipment for coal mine, anti-explosion marker: ExibI

Overall dimensions                      Φ41×1916mm

           6 inches orifice monitor    360×210×90mm

           15 inches orifice monitor   530×340×130mm