DSM-500 Digital Survey Meter from WB Johnson is sold as a kit with its GM alpha, beta and gamma pancake probe model HP-265 and cable.
There is no pelican case for this kit.

The equipment is in brand new working condition, purchased for demonstrations. However, it was never used.
The kit will need to be recalibrated.

Brochures
Brochure for DSM 500Brochure for Probe HP 265