Multi-Purpose, High-Resolution XRD — Explorer by GNR
The Explorer is a multi-purpose, high-resolution X-ray diffractometer in vertical Theta/Theta geometry, driven by direct-drive torque motors with optical encoders. The smallest selectable step size is 0.0001° and angular accuracy is better than ±0.01° over a 2θ range of −110° to 168° (depending on accessories). Its 3 kW generator needs cooling water — Two Theta can supply a recirculating chiller alongside it.
Multi-purpose, high-resolution XRD
Key specifications
| Item | Detail |
|---|---|
| Geometry | Vertical Theta/Theta |
| Measuring circle diameter | 400 to 600 mm |
| 2θ range | −110° to 168° (depends on accessories) |
| Angle positioning | Direct-drive torque motors with optical encoders |
| Smallest selectable step size | 0.0001° |
| Angular accuracy | Better than ±0.01° over the whole 2θ range |
| X-ray generator | 3 kW (4 kW optional) · max. 60 kV · max. 60 mA (80 mA optional) |
| Voltage / current step width | 0.1 kV / 0.1 mA |
| X-ray tube | Glass (ceramic optional), Cu anode (optional: Co, Fe, Cr, Mo, W, Ag) |
| Focus | 0.4 × 12 mm LFF (optional: 0.4 × 8 mm FF; 1 × 10 mm NF) |
| Detectors | Scintillation counter · Dectris 1D multi-strip · Silicon Drift Detectors (SDD) |
| External dimensions | 1,427 W × 1,080 D × 1,976 H mm |
| Weight | 605 kg |
Installation
Installation and cooling water
GNR specifies a minimum cooling-water flow of 4 L/min at 4–6 bar (without the optional water chiller); maximum power consumption is 10 kVA including the chiller. Two Theta can supply a recirculating chiller alongside it.
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