This GM Tube & Holder has been designed to work directly with our Scaler Timer & Frequency Meter (EL10440) but can also be used with any other similar timing unit.
The GM Tube contained within this stand-alone holder is the industry standard type: ZP1481, as recommended in the CLEAPSS document GL:138 (Choosing a Geiger Muller Tube). The ZP1481 has a large area detection window making it suitable for all practical demonstrations and investigations as well as having an efficiency level suitable for detecting alpha, beta and gamma radiation, it is also robust and has a long life. The standard connection provided by the GM Tube & Holder is via a flying lead fitted with a TNC plug connector.
This product has met the following criteria: