These radiation shields friction fit on the open end of the Geiger Counter wand. Each shield helps to block radiation from reaching the internal GM tube inside the wand. The shields are useful in performing nuclear tests . . .

Useful for Detecting and Measuring Radioactivity -- -- This Digital Geiger Counter is ideal for many applications, including emergency services and domestic preparedness, HAZMAT and compliance verification, dirty bomb s . . .

This low cost portable geiger counter instantly measures levels of harmful beta, gamma, and X-ray radiations on its compressed dual scale meter. -- It features a halogen-quenched stainless steel detector, Cesium-137 bet . . .

A multimeter is an electronic measuring instrument that combines several functions in one unit, including the functionality of an ammeter, voltmeter and ohmmeter. -- This compact, full-featured multimeter features a 3 . . .

Measures Alpha, Beta, and Gamma Rays -- Ultra Long Life 10 Year Battery -- 2 Kilobyte On-Board Memory -- Gamma-Scout is the latest development in hand-held radiation monitors. -- It features an accurate and reliable Gei . . .

Measures Alpha, Beta, and Gamma Rays -- Ultra Long Life 10 Year Battery -- 2 Kilobyte On-Board Memory -- Gamma-Scout is the latest development in hand-held radiation monitors. -- It features an accurate and reliable Geig . . .

Detect Risky Electromagnetic Fields in Any Environment -- Compact and easy-to-use, ElectroSensor is the quickest way to measure EMF levels in the home or workplace. Simply push a button, and the handheld units bright, si . . .

High Resolution Measurement -- Easy-to-use, hand-held EMF detector is designed to measure field radiation at different band widths. Reads 0.1 to 199.9 mG over the ELF range of 30 to 400Hz. Accuracy to within 4% 3 digits . . .

Designed specially for school projects -- The Digital/Analog Trainer it is built on a single PC board for maximum reliability. It includes 5 built-in power supplies, a function generator with continuously variable sine, . . .

Two-scale, direct-reading decibel meter. -- Low scale indicates 40 to 80dB. High scale indicates 80 to 120dB. Includes battery check and calibration settings. -- Unit dimensions 6.3"L x 2.6"W x 1.5"T. Weighs 5.82 oz. w . . .

Two-scale, direct-reading decibel meter. -- Low scale indicates 40 to 80dB. High scale indicates 80 to 120dB. Includes battery check and calibration settings. -- Unit dimensions 6.3"L x 2.6"W x 1.5"T. Weighs 5.82 oz. wit . . .

Just Point and Scan! -- This Infrared Thermometer measures the surface temperature of an object from -32 to 72C. Its optics sense emits, reflects, and transmits energy, which is collected and focused onto a detector. Th . . .

Just Point and Scan! -- This Infrared Thermometer measures the surface temperature of an object from -32 to 72C. Its optics sense emits, reflects, and transmits energy, which is collected and focused onto a detector. The . . .

Top quality survey meter for field and laboratory use. Excellent for checking the radioactive contamination of work areas, personnel and instruments. -- A rugged, two piece, fiberglass reinforced polyester resin case wit . . .