MARKUS is a fully portable, battery-operated instrument designed to measure radon content in soil. It works by inserting a probe into the ground and pumping air from the earth into a chamber. Any presence of radon decay products are indicated on its display within minutes. There is a water seal at the top of the probe to prevent water being pumped into the chamber.
What’s included:
- Robust aluminium transport case
- Probe with driving head and tip, probe handle, and spanner for connection
- Water guard
- Battery charger
- Calibration certificate
A slide hammer is available as an optional extra, negating use of a mallet to insert the probe into the ground.
Technical Specifications
| Air flow | 1.8 lit/min |
| Pumping time | 30 sec |
| Lower pressure | 0,95 x atm |
| Type of detector | Partially depleted PIPS detector |
| Nominal detector area | 150 mm² |
| Window thickness | 100 µm |
| Energy resolution detector (vacuum) | < 14 keV |
| Battery capacity | Approx. 70 measurements |
| Type of battery | LiPo |
| Battery charging time | 8 hours |
| Sensitivity | 10% at 50 kBq/m³ |
| Measurement time | Approx. 12 minutes |
| Measuring range | 0,3 – 9 999 kBq/m³ |
| Dimensions | 220 x 122 x 80 mm (L x H x D) |
| Weight | 3 kg |
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