Excellence in Radiation Detection

You can use this useful
Survey Meter Comparison Chart

New ergonomic design. The M4 & M4E are compact general purpose survey meters capable of detecting alpha, beta, gamma, and x-rays over 3 selectable ranges. A red count light flashes and a beep sounds with each event detected.

Monitor 4: Halogen-quenched uncompensated GM tube
Monitor 4EC: Halogen-quenched GM tube, energy compensated sidewall 2mm thin filter.

Both have: Thin mica window 1.5-2.0 mg/cm2 thick. Effective diameter of window is 9.1mm (0.36 inch)

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The Monitor 200 is a rugged general purpose radiation detector built to last. Features include onboard memory, USB connectivity, built in timer, and a backlit display.

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The NEW Monitor 1000EC measures gamma and x-rays up to 1000mR/hr.
Operating Range
mR/hr - .001 (1μR) to 1000 mR/hr
μSv/hr - .01 to 10000
CPM - 0 to 450,000
CPS - 0 to 7500

Ranger: For surveys in the field or in the lab, this is a great option. The larger detection window offers greater sensitivity. DPM and Bq with built in efficiencies. Wipe Test Plate option.

Range EXP: Designed to meet the requirements of emergency response personnel. Instead of the built-in detector, it has the added versatility of an external probe.

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NDS-3000 Survey Meters (Similar to the ND-2000 range but with – five operating ranges)

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High impact sealed case provides improved component protection.
Radiation detected Gamma or X-rays above 60 Kev.
Response time 90% of final reading in 7 seconds.
Low battery indicator.
Detector energy compensated, halogen quenched, internally mounted Geiger tube.
Precision within 10% at all levels.