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| Brand | Hengmei |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Region | Domestic (China) |
| Model | HM-550 |
| Price | USD 25,000 (FOB Qingdao) |
| Measurable Elements | Na (11) to U (92) |
| Dimensions | 700 mm × 510 mm × 336 mm |
| Weight | 56 kg |
| Vacuum Chamber Dimensions | 400 mm × 340 mm × 80 mm |
| Operating Temperature | 15–30 °C |
| Relative Humidity | 40–70 % RH |
| Power Supply | AC 220 V ±5 V, 50/60 Hz |
| Detection Limit (RoHS elements) | 1 ppm |
| Measurement Time | 100–300 s (user-adjustable) |
| Energy Resolution | 129 ±5 eV (Mn Kα) |
| Detector | Silicon Drift Detector (SDD), Peltier-cooled |
| X-ray Tube | Max. 50 kV / 1 mA, tungsten anode |
| Vacuum Pump | 60 L/min, ultimate pressure 6.7×10⁻² Pa |
| Collimator Options | 7 fixed apertures (2–8 mm diameter) |
| Filter Options | 5 automatic filters |
| Spectral Channels | 4096-channel digital MCA |
| Interface | USB 2.0 |
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