Detectors

ERG has a large inventory of Ludlum and Alpha-Spectra detectors for pairing with single-channel meters (alpha, beta, or gamma only), dual-channel meters (simultaneous alpha/beta), and single-channel meters with built in detector (gamma). Our radiation survey equipment is available for rental on weekly or monthly basis.

  • IsoMap System
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    IsoMap System

    GPS Survey System

    The ERG IsoMap MCA Survey System is perfect for surveying at radiologically complex sites. The system includes a self-contained detector box, a 4L NaI scintillator detector paired with…

    $2,250 Weekly Price: $2250
    Monthly Price: $6000
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  • Vintage scientific instrument with analog meter and digital displays.
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    Ludlum 2929 w/ 43-10-1

    Alpha/Beta Scaler + Phoswhich Tray Counter

    Scaler paired with alpha/beta tray counter. Separate LED for both alpha and beta channels.

    $150 Weekly Price: $150
    Monthly Price: $275
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  • A brown handheld scraper tool with a metal blade.
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    Ludlum 43-93

    Alpha/Beta Phoswhich Probe

    ZnS alpha scintillator with thick plastic beta scintillation material (100 cm2 active area) used for surface contamination monitoring.

    $50 Weekly Price: $50
    Monthly Price: $100
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  • A stainless steel industrial device with a conical and cylindrical design.
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    Alpha Spectra FIDLER

    Low Energy Photon Probe

    Beryllium window thin NaI scintillator for the detection of low energy photons. (F)ield (I)nstrument for (D)etecting (L)ow (E)nergy (R)adiation.

    $200 Weekly Price: $200
    Monthly Price: $600
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  • Rectangular metal mesh panel with a sturdy frame.
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    Ludlum 43-37

    Large Area Alpha/Beta Gas Proportional Probe

    Large area gas proportional (582 cm2 active area) used for surface contamination monitoring. Must be charged with P-10 counting gas.

    $50 Weekly Price: $50
    Monthly Price: $125
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  • A brown cylindrical propane gas cylinder with a valve on top.
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    Ludlum 44-62

    Gamma Probe

    NaI 0.5″ diameter x 1″ thick scintillator used for wide-energy gamma detection.

    $50 Weekly Price: $50
    Monthly Price: $100
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  • Compact handheld device with a handle and a circular opening.
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    Ludlum 44-40

    Shielded Pancake G-M Probe

    Lead shielded G-M tube (15 cm2 active area) used for alpha, beta-gamma survey. For use in high gamma shine areas.

    $30 Weekly Price: $30
    Monthly Price: $60
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  • Metallic cylindrical mechanical component with a small protrusion on top.
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    Ludlum 44-20

    Gamma Probe

    NaI 3″x3″ probe with gamma scintillator used for high energy gamma surveys. High sensitivity gamma survey when used with polyshield as collimator.

    $250 Weekly Price: $250
    Monthly Price: $500
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  • A brown cardboard mailing tube with white caps.
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    Ludlum 44-17

    Low Energy Gamma Probe

    2″ x 2mm NaI gamma scintialltor probe for low energy gamma (I-125) and X-ray surveys.

    $75 Weekly Price: $75
    Monthly Price: $150
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  • A brown cylindrical capacitor with a label on top.
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    Ludlum 44-10

    Low-Level Wide-Energy Gamma Probe

    NaI 2″x2″ probe with gamma scintillator used for high energy gamma surveys. High sensitivity gamma survey when used with polyshield as collimator.

    $50 Weekly Price: $50
    Monthly Price: $125
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  • A handheld mirror with a round reflective surface and a black handle.
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    Ludlum 44-9

    Pancake G-M Probe

    Aluminum housed G-M tube (15 cm2 active area) used for alpha, beta/gamma survey.

    $15 Weekly Price: $15
    Monthly Price: $35
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  • Tall copper-colored capacitor with label on top.
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    Ludlum 44-3

    Low Energy Gamma Probe

    1″x1mm NaI gamma scintillator probe for low energy gamma (I-125) and X-ray surveys.

    $50 Weekly Price: $50
    Monthly Price: $100
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