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The RADALERT 100
Nuclear Radiation Monitor & Alarm





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    The RADALERT 100
    Nuclear Radiation Monitor & Alarm

    Very Sensitive! Detects : Alpha ~ Beta ~ Gamma ~ X-rays

    Comes with Protective Zipper-Pouch Carry Case, Battery, Instruction Manual and Calibration Certificate

    General purpose Geiger counter designed for diverse applications including medical, scientific, industrial, safety, environmental, hobbyist, and educational purposes. Optional Data-Acquisition Software Package available (see below).

    Main Features:
    * α, β, γ, & χ-ray
    * Digital LCD display with 3-second update
    * LED, beeper & I/O ports
    * Total & Timer Functions
    * User-adjustable Alert-Alarm Function
    * Sensitive Geiger Muller tube detector
    * Easy conversion to your choice of CPM or mR/hr
    * Interface to a computer or data logger
    * Interface to an external warning device
    * Long battery life

    Use the RADALERT 100 to:
    * Monitor personal radiation exposure
    * Monitor an area or perimeter
    * Detect radiation leaks and check for contamination
    * Monitor low-level emissions from television sets and computer screens
    * Monitor changes or critical increases in background radiation levels
    * Find radioactive items in the workplace or home
    * Check for radioactive deposits in the ground
    * Check for X-ray scatter
    * Locate spills and lost materials
    * Evaluation of radioactive minerals and prospecting
    * Safety-testing of home items, such as old-style radium-glow watches & clocks, uranium-glass and uranium-containing pottery glazes and ceramics.
    * For emergency planning: nuclear power-plant accidents & terror incidents

    The Radalert 100 Geiger-Muller counter is a breakthrough in price and technology for personal radiation detection and protection. This small unit detects a full spectrum of ionizing radiations, to include x-ray, alpha, beta and gamma, and additionally incorporates an adjustable alarm feature, to automatically alert you to higher-than-normal radiation levels. During normal operation, the counts per minute appear on the digital display, with a flashing red LED and audio chirp (which can be shut off if desired), refreshing each minute. Or it can be set to gather the radiation dose over time if set into the totaling mode. The RadAlert can thereby be used for seeking out radiaiton "hot-spots" or evaluating materials which give immediate strong reactions, or alternatively allow one to make averaging determinations of low level radiation exposures over longer periods. The time-totaling feature is useful when evaluating low-level exposures from devices, materials or locations (as from TV's, CRT's, radiation-containing rocks, or Radon in a basement). One can then compare such timed readings to similar readings made in the open air, from background radiation alone. The RadAlert easily fits into a briefcase, purse, or large pocket, and has a belt clip for easy carrying and access. It operates from an included standard 9 volt battery for easy portable use.

    Exciting new features of the Radalert 100 -- as an upgraded version of the popular Radalert 50 -- include a three-second update and a utility menu that allows you to change the default settings for several operating parameters. Its digital liquid crystal display (LCD) shows the current radiation level in your choice of milliroentgens per hour from .001 to 110 or counts per minute (cpm) from 0 to 350,000. When SI units are selected, the LCD shows readings in microsieverts per hour from .01 to 1100 or counts per second (cps) from 0 to 3,500. This instrument also offers an accumulated total and timer function, up to 9,999,000 counts and 40 hours. A red LED blinks and a beeper chirps with each count (the chirp can be muted). An audible alert sounds when the radiation reaches a user-adjustable level. The Radalert 100 meets CE certification requirements for Europe.

    RADALERT 100 Price $525.00

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    Specifications (subject to change without notice):
    Sensor: Halogen-quenched GM detector tube with mica end window. Detects Alpha, Beta, Gamma, and X-radiation.
    Display: 4 digit liquid crystal display with mode indicators
    Operating Range: mR/hr: .001-110 mR/hr (1100 micro-Sv/hr). CPM: 0-350,000 (3,500 CPS), or accumulated counts from 1 minute to 40 hours.
    Sensitivity: 1000 cpm/mR/hr referenced to Cs-137.
    Accuracy: +/- 15%
    Alert: Pulsating beeper sounds the alert. Alert level is adjustable.
    Count Light: Red LED flashes with each count.
    Beeper: Chirps for each count (can be muted).
    Outputs: Dual miniature jack drives CMOS-compatible devices:
    1. Counts to computer or data logger collection systems, such as "Geigergraph" (see below), or Vernier "Logger Pro" (Macintosh or Windows).
    2. Can also be used as an audio output to an external earpiece, amplifier, or tape recorder.
    Power: 9-volt battery gives 3-6 months continuous use at normal background level.
    Size: 150 X 80 X 30 mm (5.9 X 3.2 X 1.2 inches)
    Weight: 225 grams (8 oz.) including battery
    Operating Temperatures: from 14 - 122 deg. F.
    Specifications subject to change without notice.
    The RADALERT 100 comes assembled and tested, ready to use.
    Includes battery, carrying case, calibration certificate and operating manual.

    The included Instruction Manual can also be obtained and examined in advance of your purchase as a downloadable PDF.




    Also Available for use with the Radalert, an Optional Data-Acquisitions Software Package:

    "GEIGERGRAPH" Computer Monitoring Program and Interface Cord.

    The GeigerGraph software works with the Radalert 100 (or the older Radalert 50 model) by receiving each pulse or count from the instrument to your Windows-PC computer using the included data cable. It then displays and graphs the Current reading, an Average, and Minimum and Maximum counts per minute (CPM) over the test period.

    The GeigerGraph software is useful for continuous monitoring of environmental radiation. It alerts you to any elevated levels relative to your typical background count. The software gives an audible and visual alert whenever the CPM exceed a user-determined level. For example, in the picture above, the radiation level increases to above the user-set Alert Level of 100 CPM halfway through the test period, and the software issues a visual alert.

    Features:

    * Runs on any PC with Windows 95 or higher. Minimum system requirements: Pentium Processor (486 may work), CD-ROM drive (or 3.5" floppy disk drive), available serial port, 16MB RAM (more recommended), 1MB hard drive space, and high color (16 bit) display.

    * Can run in the background, and notify you only if the radiation level exceeds your pre-set Alert Level.

    * Saves the radiation count data every minute to a text file that can be exported to a spreadsheet program such as Excel or Lotus 123 for further analysis.

    * Includes a simulation that mimics the recording and graphing of radiation counts without a Geiger counter. The simulation demonstrates the program, graphing normal background radiation followed by an elevated radiation count from a simulated radioactive "event" that exceeds the alert level.

    * Includes a data cable with a 3.5 mm stereo plug that plugs into the geiger counter's dual miniature jack. The output at the tip of the plug provides a positive 5 volt pulse each time the Geiger counter detects a count. The other end of the data cable is a 9 pin RS-232 connector for an IBM PC compatible serial port. If you wish to use this with a USB port, you will need to separately purchase an adapter. See the "Note" below.

    * Comes on a CD-ROM which the user installs on the computer's hard drive, so the CD can be removed after installation for running of the program.

    RADALERT "GeigerGraph" Computer Monitoring Program and Interface Cord
    Price: $95.

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    Note 1: For USB operation, you will need to purchase an adapter to convert the 9-pin RS-232 cable end into a USB end. We cannot supply that. Do an internet search for "RS232 to USB adapter" and there are many companies selling these. However, we are aware of a problem in using the cheaper RS232/USB adapters with Windows 7 and Vista. For that it is recommended to purchase only those adapters which are described as "Windows 7 and Vista optimized". Click here for one example.

    Note 2: The Radalert 100 will also function wellfor Mac or Windows by using the Vernier data-acquisition system, using their software, digital interface and connect cables for radiation detection. To make this work, you will need the Vernier Logger Pro software, plus either their Lab Pro or LabQuest Mini data acquisition device, which connects to the USB port of your computer. Also needed is their digital radiation cable (RAD-BTD) to connect the Radalert or Inspector to the Vernier Lab Pro or Mini. The Vernier Logger Pro software is designed for both Mac and Windows, and so is a good alternative to GeigerGraph, though their system overall is about 2-3 times as expensive. We do not sell of the Vernier components, but you can get them from: Vernier Scientific



    Warranty: The Radalert 100 is warranted by the manufacturer against defects of materials and workmanship, excluding abuse or misuse or breakage of parts by the original purchaser, for a period of one year from the date of purchase, and with the following exception: Repeated exposures of the Geiger tube and/or LCD screen to very high levels of radiation may cause them to malfunction -- only a 30-day warranty is therefore offered on those two components. This will not be an issue except for those who plan to use the device in very high radiation environments, close to or exceeding the upper measuring limits of the device. We have been selling these devices over many years to people who use them to measure low-level radiation in and around their home environments, and not one has ever malfunctioned. We also have several RadAlerts working constantly over many years, to measure background radiation, and they all have the original GM tubes, working fine. This issue is mainly of concern for those who would repeatedly or constantly expose the device to very high radiation as from radioactive minerals or atomic waste materials. Click here for our full Warranty and Returns Policy.

    No State Sales Tax on your Purchases, Ever! Save from 3% to 10%!

              
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