Product Overview
A fully portable, battery-operated instrument designed to detect and count high-energy alpha particles, beta particles, and gamma rays. Ideal for classrooms, laboratories, industrial environments, or field work, this versatile counter provides both continuous counting and preset timed intervals.
Key Features:
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Detects alpha, beta, and gamma radiation
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Measures counts per second (CPS) and counts per minute (CPM)
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Selectable timing modes: continuous, 10 sec, 60 sec, or 100 sec
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Maximum counting rate: 10 kHz
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Audible click (toggle on/off) for each particle count
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Battery or plug-in operation (120V/12V AC or DC plug pack; polarity independent)
 
Model Details:
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AP1884-001 (SKU: 80-340606): Includes an internal Geiger-Müller (GM) tube with a thin mica window protected by a plastic grille
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AP1884-002 (SKU: 80-340508): Equipped with a socket for a remote GM tube, connected via cable (tube not included)
 
Power Supply:
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Operates on 3 × AA batteries (included), with approx. 100 hours of use
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Battery level indicator ("bAtt" warning) shows when low, without interrupting operation
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Plug-in port for external power (plug pack not included)
 
Voltage Settings:
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Adjustable high voltage (300–500 V DC) for the GM tube via onboard controls
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Voltage is displayed in ‘Standby’ mode and restores automatically at startup
 
Accessories:
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Geiger Counter Tube Holder Support AP1885-100 (SKU: 80-340410): simple plastic base with clips to hold the Geiger tube holder horizontally and aligned with the holders supporting radioactive sources and absorbers AP1885-050 (SKU: 80-340802)
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Geiger Tube Holder & Cable with MX168 GM Tube fitted PA1885-050 (SKU: 80-289940): compatible remote GM tube holder and cable for use with AP1884-002 model
 
Specifications:
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Dimensions: 195 × 100 × 37 mm (7.7 × 3.9 × 1.5 in)
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Weight: 0.42 kg (0.93 lb)
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Designed and manufactured in Australia.