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Ludlum Model 2401-EC2A

Pocket-Sized Radiation Survey Meter

Introduction

Ludlum Model 2401-EC2A Pocket-Sized Radiation Survey Meter ● Pocket-Sized Gamma Radiation Survey Meter

● 0 to 2000 mR/hr

● Internal Energy Compensated GM Detector

● 3 Decade Analog Meter

● Audio and Visual Alarms

The Ludlum Model 2401-EC2A is a pocket-sized radiation detection meter with an integrated energy compensated GM tube for measuring gamma radiation exposure. The meter measures 0-2 R/hr exposure rate and includes and audio and visual alarm. The metal case offers excellent protection against abuse. The overall size and integrated design facilitate ease of use.

Specifications

Ludlum Model 2401-EC2A Pocket-Sized Radiation Survey Meter PART NUMBER: 48-2995

APPLICATION: gamma radiation survey

RADIATION DETECTOR: energy compensated GM
RANGE: 0–2 R/hr
SENSITIVITY: typically 120 cpm/mR/hr (137Cs gamma)
ENERGY RESPONSE: reading within 20% of true value
RESPONSE TIME: typically 11 s from 10% to 90% of final reading
METER FACE: 0–20 mR/hr (others available); BAT OK
MULTIPLIERS: x1, x10, and x100
AUDIO: click-per-event, may be turned off by moving selector to QUIET position
POWER: 9 volt battery
BATTERY LIFE: typically 250 hours with alkaline battery at normal background levels
CONSTRUCTION: drawn and cast aluminum, with membrane panel
SIZE: 1.8 x 3.3 x 5.3 in. (4.6 x 8.4 x 13.5 cm) (H x W x L)
WEIGHT: 0.9 lb (0.4 kg), including battery
ALARM: may be set from 0 to full scale meter deflection, detected radiation in excess of alarm setpoint triggers a red Alarm LED and steady audible tone whether in NORMAL or QUIET operating mode (see Model 2401-EC2 for version without alarm)