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G21544E + 12VDC Small Negative Ion Generator CEI-A-12551A
$9.00Small but powerful negative ion generator operates on 12VDC at 5mA and produces 5.5kV ±0.5kV and over 3 million negative ions per cubic meter (measured 12" from source). Negative ions provide many benefits of cleaning the air of dust, smoke... -
CJ304 ^ Geiger Counter w/ Beautiful Firework Fountain Display
$211.00Fully assembled Geiger Counter w/ Beautiful Firework Fountain Display flickers a super brilliant rainbow of colors as cosmic rays or other sources of radiation strike its central upright super sensitive GM tube. Uses the ultrasensitive J304 tube which is sensitive... -
C8093 ^ SBT-11A/ CBT-11A Alpha, Beta and Gamma Mica Window Geiger Tube
$71.00Brand new SBT-11A/CBT-11A Alpha, Beta and Gamma mica window Geiger Tube has 4 anodes and is super sensitive. Operates on 260 to 400V, operating current each section 0.5 - 1.1uA, and size 29 x 56 x 23mm. New Old Stock... -
C7076 - Electronic Bubble Generator Science Kit
$14.00Fun and Educational Bubble Generator Science Kit introduces beginners to basic electronic circuit theory with the aid of 5 fun to build functional experiments. The experiments in the manual are completely re-usable and requires no soldering. The only items that... -
G27351 ^ Sensitive SBM-20M Assembled Geiger Counter
$85.00Miniature assembled Geiger Counter uses the sensitive SBM-20M Geiger tube to detect Beta and Gamma rays. This Geiger counter is completely assembled but does not come with a case. It is only 2.16" x 1.74" x 0.5". Easily detects various... -
C7061 ^ World's Smallest Geiger Counter
$183.00This tiny fully assembled Geiger counter is only 1.89" long x 0.86" wide x 0.46" thick. This Geiger counter detects beta and gamma rays and emits clicks and bright orange flashes of light. Operates from one 9V battery (not included).... -
G28602E ` LND 52111 Xenon Filled Gamma Ionization Chamber
$240.00LND 52111 is a 6.1" L x 0.63" diameter xenon gas filled gamma ionization chamber with a cathode surface material of stainless steel. It operates on 1500VDC and has a maximum operating voltage of 3000V. It's designed for detecting gamma... -
C7069ASB ^ Sensitive GM12 Geiger Counter with SI-10 Tube – Fully Assembled / No Soldering
$85.00Sensitive Geiger Counter uses the Rare SI-10 Russian Glass Geiger Mueller tube. It is sensitive to Beta and Gamma Rays and produces a loud click and brilliant flash of red when cosmic rays strike the tube. Has aqua blue "On"... -
C7060ASB ^ Fully Assembled GM22 Geiger Counter
$113.00Fully assembled Geiger Counter type GM22 uses the SI-39 glass Geiger Tube. It is sensitive to Beta and Gamma rays and easily detects with clicks and flashes of red light for all types of radioactive minerals, radioactive isotopes, Radium watch... -
C7026ASB ^ Assembled Ultra Sensitive Geiger Counter
$225.00Our largest and most sensitive Geiger Counter uses a giant Russian Geiger Mueller Tube type CTC-6. This metal tube is super sensitive to beta and gamma rays. Here in Arizona the background count from this Geiger Counter is about 100CPM.... -
G29371 ~ Electronic Devices Inc (EDI) RG300A 3KV (3,000V) 150ns Recovery High Voltage Diode
$8.00EDI RG300A is a fast recovery (150ns) axial lead 3,000V @ 350mA rectifier diode. Case type is DO-27. Retails for $12. -
C7808ASB ^ Assembled CI-22G Giant Ultra Sensitive Geiger Counter
$140.00One of our most sensitive Beta Gamma Geiger Counters, this 8.5" x 1.45" wide x 0.86" thick assembled board with CI-22G Tube produces over 100 counts per minute from built in speaker plus bright flashes from background radiation. Operates from... -
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