GNR Explorer multi-purpose high-resolution X-ray diffractometer
GNR Analytical Instruments Group

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

ItemDetail
GeometryVertical Theta/Theta
Measuring circle diameter400 to 600 mm
2θ range−110° to 168° (depends on accessories)
Angle positioningDirect-drive torque motors with optical encoders
Smallest selectable step size0.0001°
Angular accuracyBetter than ±0.01° over the whole 2θ range
X-ray generator3 kW (4 kW optional) · max. 60 kV · max. 60 mA (80 mA optional)
Voltage / current step width0.1 kV / 0.1 mA
X-ray tubeGlass (ceramic optional), Cu anode (optional: Co, Fe, Cr, Mo, W, Ag)
Focus0.4 × 12 mm LFF (optional: 0.4 × 8 mm FF; 1 × 10 mm NF)
DetectorsScintillation counter · Dectris 1D multi-strip · Silicon Drift Detectors (SDD)
External dimensions1,427 W × 1,080 D × 1,976 H mm
Weight605 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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