Eberline PM-7 Gamma Portal Monitor

The PM-7 is used an numerous nuclear facilities as a gamma portal monitor and even for whole body counting.

The PM-7 utilizes six large gamma-sensitive plastic scintillation detectors to monitor personnel passing through the portal. Traffic flow can be either direction.Two detector assemblies are located in each side of the portal, for head-to-toe-monitoring.
Exterior Dimensions: 2.29 x 1.02 x 0.51 m (90 x 40 x 20 in.)
Interior Opening: 1.98 x 0.61 m (78 x 24 in.)
Weight Approx: 396 kg (874 lbs) without lead, 795 kg (1752 lbs.) with lead.
Lead shielding, 1.9 cm (0.75 in.) thick is field removed/installed.
Battery Backup: 8 hours operating.
Temperature: 0 to 50C (32 to 122F)
Humidity Range: 10 to 95% relative humidity, non-condensing