Ludlum Model 2242 Extended Range Digital Survey Meter

Internal energy-compensated G-M detectors

For Lower and Higher Range Gamma Radiation

model 2242 extended range radiation survey meter for lower and higher range gamma radiation

Indicated Use: Hazard assessment, emergency response
Detectors: Internal energy-compensated GM detectors
Alert/Alarm: Indicated by annunciator on display and audible tone
Display: 4 digit LCD display with 0.5"(1.3cm) high digits, separate annunciators for display units, alert, alarm, low battery, detector overload
Backlight: Push-button to activate
Effective Range: Low 0.1mR/hr - 999.9 mR/hr
High 0.1 Rhr - 999.9 R/hr
High Voltage: Two independent controls; each adjustable from 200 - 2500 volts
Discriminator: Two independent controls; each adjustable from 2 - 100 mV
Overload: Indicated by OVERLOAD on display
Battery Life: Typically 200 hours with alkaline batteries
(24 hours when low battery is first indicated on display)
Size: 6.5"(16.5cm)H X 3.5"(8.9cm)W X 8.5"(21.6cm)L
Weight: 3.5 lbs (1.6kg) including batteries
Response Time: < 4 seconds at 10 mR/hr
Alarm: Flashing daylight-visible LED indication