Morgan Mini Monitor Series 900 Geiger Counter

• Detecting and measuring ionising radiation levels in laboratory and industrial settings.
• Monitoring environmental radiation for safety and compliance.
• Educational demonstrations and research in physics and chemistry.
• Identifying radioactive contamination on surfaces or in samples.
• Health physics applications for personnel and area monitoring.

Typical detection range

Commonly detects alpha, beta, and gamma radiation, with specific sensitivity depending on the detector tube.

Power supply

Typically battery-operated for portability, often using standard AA or 9V cells.

Display type

Units of this type commonly feature an analogue meter for instantaneous readings and an audible clicker.

Detector type

Most frequently employs a Geiger-Müller tube, often an end-window type for broader detection.

Measurement units

Typically displays readings in counts per second (cps) or counts per minute (cpm), and sometimes dose rate units like µSv/hr.

Portability

For this class of equipment, units are highly portable, designed for handheld operation.

• What types of radiation can a Mini Monitor Series 900 typically detect?

  Units in this series are generally capable of detecting alpha, beta, and gamma radiation. The specific sensitivity and efficiency for each type depend on the installed Geiger-Müller tube.

• Is this unit suitable for professional industrial use?

• What kind of maintenance does a Geiger counter require?

• Can this Geiger counter measure specific isotopes?

• What is the typical lifespan of the Geiger-Müller tube?

Geiger counters are valued for their reliability and durability in radiation detection applications. When buying used units, buyers typically prioritize verification of calibration status and functional testing, as accuracy is critical. Industry sentiment favours established manufacturers with documented maintenance histories. Common strengths include robust build quality, straightforward operation, and longevity when properly maintained. Buyers appreciate their consistent performance across laboratory and field settings. Condition assessment and recent calibration certificates are key considerations for used purchases.

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