Ludlum Measurements Model 2401-EW Survey MeterThe Model 2401 EW instrument is a general purpose, pocket size radiation detection meter that employs an end window type GM detector. The detector is conveniently packaged inside the instrument, with a protective screen located in the middle of the top end of the instrument. The meter presents two scales: cpm for contamination measurements, and mR hr for exposure rate. Features Alpha, Beta, Gamma survey Integrated Meter with End Window GM Detector

They are all in the same condition

Housing: 8¼” x 10” x 11½”

Measurement range:

If you chose to enable GPS with your counts

10 & 20 pps)

2 cm) (H x W x L)

The Ludlum 9-3 ion chamber is a rugged air ionization chamber for performing beta-gamma dose rate measurements over a five-decade span ranging from background to 50

response setting

Bluetooth 4

10 to 95 percent relative humidity

0 MeV when in close proximity to the window

Intrinsically safe versions for potentially explosive environments