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Ludlum Model 25-IS

Intrinsically Safe Personal Radiation Monitor/Dosimeter

Features

Intrinsically Safe Radiation Dosimeter
0 to 1000 R/hr Dose Rate Range
0 to 1999R Accumulated Dose Range
Loud Alarms
Lightweight
Rugged
Easy to Use
6000 Hour Battery Life

Introduction

The Ludlum Model 25-IS is an intrinsically safe, small sized device designed to warn users anytime they are in a potentially harmful radiation situation within an explosive gaseous environment. The unit will automatically alarm anytime either the dose rate (.01 mR/hr to 1,000 R/hr) or accumulated dose (0 - 1999 R) setpoints are exceeded with a loud audible signal and blinking display. This small device that can be worn on a belt, a lanyard, or armband and is very simple to use and operate.

Specifications

MODEL 25-IS - PART NUMBER: 48-3661

RADIATION DETECTOR: Internal energy-compensated G-M

DETECTION RANGE: .01 mR/hr to 1,000 R/hr

ENERGY RANGE: 60 keV to 2 MeV

DISPLAY: 3½ digit backlit LCD display with a total range from .01 mR/hr (or mR) to 1999 R/hr (or R), also displays time remaining from 19:59 to 00:01(in hh:mm format)

ALERT & ALARMS: Adjustable over entire display range

ALARM INDICATIONS: Distinct alerts and alarms for exposure and accumulated dose

AUDIO: Built in speaker (Typically 95 dB at 1 foot )

LOW BATTERY INDICATION: Provides 8 hours warning of low battery

LOSS OF COUNT: Detector failure results in a visual and audible warning

CALIBRATION: Requires no tools or software when exposed to a traceable radiation field

POWER: 2 each lithium coin cell batteries

BATTERY LIFE: Typically 6000 hours

CONSTRUCTION: Injection-molded plastic housing with sub-surface printed membrane front panel, completely gasketed for water resistance

TEMPERATURE RANGE: -40°F to 150°F (-40°C to 65°C)

SIZE: 3.0” H x 2.125” W x 0.687” D (7.6 cm x 5.4 cm x 1.7 cm)

WEIGHT: 5.1 oz including batteries

CERTIFICATION: Models 25-IS and 25-IS-1 are intrinsically safe per the following:

UL 913 Class I, II & III Division 1 Groups A,B,C,D
CSA 22.22 No. 157
UL 61010-1 CSA C22.2 No. 61010-1

This Product is CE Certified

Accessories Included

Rubber protective sleeve
Lanyard

Options

Technical Information

Other Ludlum Products

Other Ludlum Products

Ludlum Information

For more information or to request a quotation, please contact us

by phone at: (865) 947-5123 or by email at: sales@deqtech.com.