Radon Detectors

Hand-held Survey Meters, Area Monitors, and Water Monitors

overhoff Radon Monitor
OTC Radon Monitor for radon-222 and radon-220 over a wide range of concentrations. Gamma rejection is inherent in the pulsed ionization chamber design. The OTC Radon monitor is useful in establishing radon background levels or demonstrate compliance
with regulations and to those individuals involved in radon mitigation efforts. That monitor can log 40,000 data points with a range of 0.1 to 2000 pCi/l.

PTG-9RN Radon Area Monitor Our latest model, the deionized and filtered intake greatly reduces spurious effects from smoke, dust and existing ionization in the air. The PTG-9-RN will measure airborne radon as free Radon gas as low as 1 pCi/l. The unit features a large, easy to read digital LED readout. Two ranges cover six decades: 2 x 10-9 to 2.0 x 10-3 µCi/cc.

TBM-IC-RN Portable Hand-Held Radon Monitor This unit consists of an air ion chamber (2.9" D x 3.5" L) coupled to a stable solid state MOSFET input electrometer to read out directly in nCi/liter. The range is 10 picoCi/l to 1 µCi/l. The TBM-IC-RN detects 10 picoCi/l of radon in 5 seconds and detects public release level of radon in less than 10 minutes.

SSS-33M8R Radon In-Water Monitor This system consists of a small light tight detector assembly which is interfaced with the sample via 1/4 inch pipe fittings with the readout and processor assembly via two MHV connectors.The sample is passed through a deionize and filter and thence to the detector assembly, where it is viewed by a matched pair of photo multiplier tubes.

Radon-7 Portable Radon-in-Water Alarm Water flows continuously through the lower section of the FLO-9 sample head. Some of the suspended radon gas escapes from the water due to its vapor pressure. The resultant radon gas is detected by the PAS-8 alpha scintillation in the upper chamber. The count rate from the PAS-8 Detector is displayed on the LAM-10 alarming Ratemeter.

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