Thin mica window detects alpha, beta, and gamma radiation. Operating range is 450-600 volts, the recommended voltage is 500 volts. Recommended anode resistor: 10 megaohms. Gas filling. Neon and halogen. Measures .36" (9.1 mm) wide, 1.6" (40 mm) long.

Detects alpha radiation through the thin mica front window.

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Sensitivity

• Alpha above 3.0 MeV
• Beta above 50 KeV
• Gamma above 7 KeV

The geiger tube comes with a black boot to protect the thin mica end window. This boot needs to be removed to detect alpha particles. However, gamma and beta particles will pass through the boot and be detected.

The United States has declared that this product for restricted exporting to foreign countries. It may still be possible, but will require additional information prior to shipping.

Glass GM Tube detects beta and gamma radiation. Tube dimension are approximately .375" (3/8") diameter by 4" in length. Operating voltage is 400 volts.

Recommended anode resistor: 4.7 megaohms.

Not for detecting alpha radiation. Beta and Gamma Only. For Alpha radiation detection use the GMT-01.

The United States has declared that this product for restricted exporting to foreign countries. It may still be possible, but will require additional information prior to shipping.

Russian GM Tube detects beta and gamma radiation (SMB20 or equivalent). Operating range is 350-475 volts, the recommended voltage is 400 volts. Recommended anode resistor: 5.1 megaohms. Gas filling - Neon, Argon and Bromine. Measures 11 mm in diameter by 101 mm long.

Not for detecting alpha radiation. Beta and Gamma Only. For Alpha radiation detection use the GMT-01.

The United States has declared that this product for restricted exporting to foreign countries. It may still be possible, but will require additional information prior to shipping.

Small Russian GM Tube detects beta and gamma radiation (SMB10 or equivalent). Operating range is 370-480 volts, the recommended voltage is 400 volts. Recommended anode resistor: 3.3 megaohms. Gas filling. Neon and halogen. Measures 6mm in diameter by 35mm long.

Not for detecting alpha radiation. Beta and Gamma Only. For Alpha radiation detection use the GMT-01.

The United States has declared that this product for restricted exporting to foreign countries. It may still be possible, but will require additional information prior to shipping.

Small GM Tube detects beta and gamma radiation. Operating range is 450-650 volts, the recommended voltage is 500 volts. Recommended anode resistor: 3.3 megaohms. Gas filling. Neon and halogen. Measures 0.306 " (7.77 mm) wide, 1.10 " (27.9 mm) long.

Not for detecting alpha radiation. Beta and Gamma Only. For Alpha radiation detection use the GMT-01.

Sensitivity

• Beta above 0.25 meV
• Gamma above 1100 keV

The United States has declared that this product for restricted exporting to foreign countries. It may still be possible, but will require additional information prior to shipping.

Small GM Tube detects beta and gamma radiation with energies equal to or greater than 0.35 MeV. Starting Voltage 330 Volts, the recommended voltage is 400 volts. Recommended anode resistor: 2.2 megaohms. Gas filling. Neon and halogen. Measures .236" (6 mm) Outer Diameter, 1.339" (34 mm) long.

Not for detecting alpha radiation. Beta and Gamma Only. For Alpha radiation detection use the GMT-01.

The United States has declared that this product for restricted exporting to foreign countries. It may still be possible, but will require additional information prior to shipping.

GM Pancake Tube detects alpha, beta and gamma radiation.. Starting Voltage 425 Volts, the recommended operating voltage range is 475 - 675 volts. Recommended anode resistor: 4.7 megaohms. Gas filling Neon and halogen. Measures 2.11" (53.6 mm) Outer Diameter, 3.00" (76.1 mm) long, by .61" (15.5 mm) deep.


GMT-07 Spec Sheet

The United States has declared that this product for restricted exporting to foreign countries. It may still be possible, but will require additional information prior to shipping.