As China's first borehole-type muon detector employing annular plastic scintillators and triangular-prism-shaped plastic scintillators embedded with wavelength-shifting fibers, it achieves full-azimuth coverage for incident muon detection, enabling high-efficiency, precision detection of natural cosmic-ray muons.

Detector size:

Φ264 mm* 2332 mm

Detector weight: 90 Kg

Detector power: 40 W

Input voltage: AC 220V

Detection efficiency of muons: 92%

Detection error of muon incidence position: 10.3/2.3 mm (solid angle/azimuth angle)

Angle resolution: 20.6/27.4 mrad (solid angle/azimuth)

Detection angle: 120 °

Detector theta angle rotation range: 0-90 °