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| Brand | Hefei Kejing |
|---|---|
| Model | X-3 / X-4 / X-4A |
| Type | Double-Crystal Diffractometer-Based Orienting System |
| Angular Accuracy | ±15 arcseconds |
| Minimum Readout Resolution | 15″ (X-3), 10″ (X-4), 1″ (X-4A) |
| Angular Range | 2θ = 10°–120°, θ = −10°–60° |
| X-ray Source | Cu-target, air-cooled tube |
| Max. Operating Voltage/Current | 30 kV / 1 mA |
| Time Constants | 0.4 s / 0.8 s |
| Power Supply | AC 220 V, 50 Hz, 0.5 kW |
| Monochromator | Built-in graphite monochromator |
| Compliance | JB/T 5482–2004 |
| Dimensions (L×W×H) | 1140 × 650 × 1100 mm |
| Weight | 300 kg |
| Brand | Hefei Kejing |
|---|---|
| Model | DX-100 |
| Origin | Anhui, China |
| Power Supply | 220 V AC, 50 Hz, 0.5 kW |
| X-ray Tube | Cu anode, air-cooled, grounded anode |
| Max. Operating Voltage/Current | 30 kV / 5 mA (continuously adjustable) |
| Detector | Geiger-Müller counter |
| Detector Bias Voltage | up to 1050 V |
| Time Constant Settings | Fast (1 s) and Slow (2 s) |
| Angular Readout | Mechanical scale (2θ/θ resolution: 1°), digital display in degrees-minutes-seconds (minimum digital resolution: 10″) |
| Angular Range | 2θ = –10° to +140° |
| Collimator Slits | 4′, 5′, 6′ |
| Peak Position Accuracy | ±30″ |
| Primary Beam Shutter | Motorized |
| Dimensions (Main Unit) | 628 × 512 × 428 mm |
| Dimensions (Control Box) | 520 × 520 × 468 mm |
| Net Weight | 45 kg |
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