Ranger Geiger Counter

Ranger Geiger Counter

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Brand:
Rating:
Price:
$585.00
SKU:
RNGR
Weight:
1.70 LBS
Quantity:
  • Product Description

    The 'Radiation Alert' Ranger Pocket Geiger Counter is now smaller, more ergonomic, and with better features, all for the same price!  The Ranger features a new interface with touchpad technology.  Included with each instrument for no extra charge is a protective boot, carrying case and stand that holds the instrument upright for hands-free operation!

    The Ranger offers maximum performance in a lightweight, rugged solution for surveying at the facility or in the field. The Ranger has been designed for industrial environments, but it still has all of the features you’ve come to love in the lab. 

    • Small, handheld, microprocessor-based instrument
    • Excellent sensitivity to low levels of Alpha, Beta, Gamma, and X-rays
    • Backlit digital display
    • Red count light
    • Audible Beeper that sounds with each count detected, providing instant indications of the radiation level.
    • Selectable alert levels
    • Adjustable timer for performing Timed Counts
    • Built in efficiencies for common isotopes to calculate activity in Bq and DPM. (Important: The Ranger does not identify isotopes - to use this feature,  you must know the isotope in advance).
    • Internal memory, data logging, and USB connectivity
    • Free Observer USB Software to download your data, set computer alarms, and calibrate your instrument!
    • Bluetooth for use with the Free Observer BLE App for Android.
    • Optional wipe test plate for swipes.
    • Calibrated at the factory, electronically - Certificate of Conformance included - see photo above
    • NIST level calibration available at extra charge - click here

     Specifications

     

    Detector

    Internal Halogen-quenched, uncompensated GM tube with thin mica window, 1.4-2.0 mg/cm2 areal density. Effective diameter of window is 45 mm (1.77 in.).       

    Operating Range

    mR/hr - .001 (1µR) to 100
    µSv/hr - .01 to 1000
    CPM - 0 to 350,000
    CPS - 0 to 5000
    Total Counts- 1 to 9,999,000 counts

    Accuracy

        (Referenced to Cs137)     Typically ±15% from factory, ±10% with NIST Source Calibration

    Energy Sensitivity

        Detects Alpha down to 2 MeV. Detects Beta down to .16 MeV; typical detection efficiency at 1 MeV is approx. 25%. Detects Gamma down to 10 KeV through the detector window. 3340 CPM/mR/hr (137Cs). Smallest detectable level for 125I is .02 µCi at contact.                 

    Built-In Efficiencies

        Sulfur (35S), Strontium (90Sr/y), Cesium (137Cs), Phosphorus (32P), Carbon (14C), Iodine (131I), Cobalt (60Co), and Alpha

    Selectable Alert Set Range

        mR/hr .001 - 50 and CPM 1 - 160,000. Pulsating beeper sounds the alert. Adjustable alert levels are used for mR/hr / CPM, and µSv/hr / CPS. 70db @ 1m. Alarm will sound when in Timer Mode when set alarm threshold is reached.

    Anti-Saturation

        Meter will hold at OVER RANGE in fields as high as 100 times the maximum reading.

    Averaging Periods

        Display updates every 3 seconds. At low background levels, the update is the average for the past 30-second time period. The timed period for the average decreases as the radiation level increases.

    Display

        Graphic Display with Backlight

    Count Light

        Red LED flashes with each radiation event

    Audio Indicator

        Internally mounted beeper (can be switched off for silent operation)

    Data Logging Capacity

         5,452 data points, which at 1 minute intervals as an example, equates to 3.7 days

    Outputs

        USB for use with Free Observer USB Software for PCs

    Power Requirements

        Two AA alkaline batteries (included)

    Size

        140 X 68 X 33 mm (5.5 X 2.7 X 1.3 in.)

    Includes

        Carrying Case, Xtreme Boot, Stand, Mini-USB Cable, Observer USB Software Download , Certificate of Conformance

    Options

    Wipe Test Plate, Swipes, NIST Calibration

    Limited Warranty

    1 year limited warranty

     

    Click on this link for the:

    Ranger Operating Manual

     

     

    Energy Response Curve

     

     

     

     

     

     

     

     

     

     

     

  • Product Reviews

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    1. Great service from Geigercounters.com and a great product.

      This unit is far better built that I had imagined. It also came with a bunch of accessories (batteries included too!) in the box which was a nice surprise in this day of manufacturers cutting costs by eliminating accessories. It was very pleasant to deal with the owner, Tim Flanigan. He answered my emails promptly...even late into the evening. My order was shipped within two hours of my order and showed up at my door two days later. Now that's service! on May 2nd 2021

    2. Broken Ranger replaced

      Referring to the review below, we were notified by the customer of the Ranger arriving broken, out-of-the-box, and after checking for any apparent damage during shipment, we immediately shipped a replacement Ranger, which the customer confirms having received in working order. It is our routine to check out Geiger counters before shipment, even though new, and that particular Ranger had checked out fine. This is one of only 3 instances I can think of, over 20 years and shipment of 000's of pancake-tubed Geiger counters, where the tube broke during shipment. on Mar 25th 2021

    3. Arrived broken

      I can't be sure that this product is working correctly because it arrived broken. the round sensor on the back has what looks to be a paper thin plastic layer below the metal mesh. That plastic layer is shattered and pieces of it are falling out of the machine.

      If it works, or can be fixed, I like the overall design. Hoping to get a replacement.
      on Mar 5th 2021

    4. Excellent Counter and Excellent service

      Heck, Geigercounters.com compete with Amazon! I ordered the Ranger on Tuesday night,n3 minutes later I got the FedEx tracking, and it arrived from the US to Italy on Friday! You folks compete with Amazon?

      The device is solid and well built. I had to decide between Mazur PRM-9000, Medcom Inspector, and SE Ranger and thanks to this website which included a great comparison table I decided to go for the Ranger

      I wish the device had a Wi-Fi connection and the ability to log online, but none of the above mentioned counters does have Wi-Fi. Getting data from the device is easy but the data format isn't CVS standard and you have to work on it before you use your data for analysis in GeigerLog software which is an excellent software and is free
      on Feb 10th 2021

    5. A Quality Radiation Detector Well Worth the Price

      Well made, easy to use, accurate, and comes with features not found on other units in this price range. For one, menu choices allow extra analysis of known isotopes. The included "Xtreme Boot" is another bonus included. SE International's Ranger is my first choice in radiation detectors. In its price range, I have found no others that compare. Highly recommended, for sure! on Jun 17th 2020

    6. Ranger

      Having owned many of the Civil Defense era geiger counters I was impressed when I received my Ranger. It is very easy to use in a nice compact package. My uses will be mostly background monitoring but I wanted the capability for decontamination checks if it is ever needed. The software hook up to a computer looks like it will be very useful for charting trends. on May 12th 2017

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