Companies
WB Johnson Instruments
Products
GSM-110/115 Survey Meter & GP-200 Probe

GSM-110/115 Survey Meter & GP-200 Probe

3 & 4 Range Survey Meter w/ end window GM probe Max. 50,000 CPM & 20 mR/hr Max. 500,000 CPM & 200 mR/hr (Includes survey meter, batteries, cable & probe. Johnson systems utilize BNC type connectors.)