Brand: Riso | Category: Scientific & Laboratory Equipment
An automated reader for thermoluminescence and optically stimulated luminescence measurements. It heats, irradiates and optically stimulates samples in sequence and counts the light emitted. It is used for luminescence dating of sediments and ceramics, retrospective dosimetry and radiation protection.
| Parameter | Value |
|---|---|
| Specification | Automated 48 position sample changer in a vacuum chamber, lowest pressure below 0.2 mbar |
| Specification | Shaped Kanthal heater strip, endpoint temperature 700 C |
| Specification | Blue LEDs at 470 nm delivering above 80 mW/cm2 at the sample |
| Specification | Infrared LEDs at 870 nm providing above 135 mW/cm2 at the sample |
| Specification | Detachable 90Sr/90Y beta irradiator, 1.48 GBq, about 0.1 Gy/s in quartz |
| Specification | EMI 9235QB15 photomultiplier tube with low dark count, adjustable high voltage to 1500 V |
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Contact Vvon Technologies Limited about Riso equipment requirements in Bangladesh.
Phone: +880 1711-738207 | Email: info@vvon.com.bd
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A modular head for the Riso TL/OSL reader holding LED stimulation modules, an automated filter changer and an optional detector changer. It can be fitted retrospectively to existing readers and accepts attachments such as the single grain unit and the spectrometer.
A scintillation gamma spectrometry system for routine analysis of natural radionuclide activity concentrations. The results feed the burial dose rate calculations used in luminescence age determination. Detector, lead shield, analysis software and calibration standards are included.
A detachable beta irradiator mounted above the sample carousel of the Riso TL/OSL reader, giving software controlled irradiation of samples in place. It carries a strontium 90 source and is used to deliver known laboratory doses during equivalent dose measurement.