KETEK
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| Brand | KETEK |
|---|---|
| Origin | Germany |
| Model | AXAS-A |
| Detector Type | Integrated SDD with Pulse Reset Preamp |
| Power Supply | ±12 V DC |
| FWHM (Mn Kα) | ≤133 eV (Premium Class) / ≤149 eV (Standard Class) |
| Finger Length Options | 50, 100 (standard), 160, 200, 300 mm |
| Upper Energy Limit | 20 keV (H7, H20, H30) or 30 keV (H50) |
| Low-Energy Window Options | H7LE*, H15LE* (with FWHM ≤136 eV & ≤144 eV) |
| Cooling | Integrated thermoelectric (Peltier) control |
| High-Count-Rate Capability | Enabled via pulse reset front-end architecture |
| Compliance | Designed for ASTM E1301, ISO 21389, and IEC 62596-compliant XRF and EPMA systems |
| Brand | KETEK |
|---|---|
| Origin | Germany |
| Model | AXAS-D |
| Detector Type | Integrated Digital Pulse Processing SDD System |
| Active Area Options | 7–50 mm² |
| Energy Resolution (FWHM @ Mn Kα) | ≤133 eV (Premium Class), ≤139 eV (Standard Class), ≤136/144 eV (H15LE variants) |
| Finger Length Options | 50, 100, 160, 200, 300 mm |
| Upper Energy Limit | 20 keV or 30 keV |
| Cooling | Integrated Thermoelectric Control |
| Signal Processing | Onboard Charge-Sensitive Preamplifier + Digital Pulse Processor (DPP) |
| Compliance | Designed for ASTM E1598, ISO 21397, and IEC 62495-compliant XRF and EPMA systems |
| Software Interface | KETEK DPP Software (shaping time adjustable from 0.5–16 µs) |
| Brand | KETEK |
|---|---|
| Origin | Germany |
| Model | VIAMP |
| Detector Type | Silicon Drift Detector (SDD) Module with Flexible Cable Interface |
| Compatible Probes | VITUS H7–H50 Series |
| Operating Temperature Range | −35 °C (TEC-stabilized) |
| Bias Voltage | −140 V DC |
| Power Supply | +5 V / 25 mA, −5 V / 15 mA, TEC: 1.7 V / 280 mA @ −35 °C |
| Energy Resolution | <125 eV FWHM at Mn Kα (5.9 keV), typical for high-performance SDDs |
| Count Rate Capability | >100 kcps (with pulse pile-up rejection) |
| Signal Polarity | Positive |
| Ramp Threshold | +1.8 V (positive), −1.8 V (negative) |
| Preamp Gain | 3 mV/keV (±10%) |
| TEC ΔT | 70 K @ 20 °C heatsink temperature |
| Temperature Diode Slope | 2.35 mV/K @ 1 µA |
| Brand | KETEK |
|---|---|
| Origin | Germany |
| Model | VITUS Series |
| Energy Resolution (FWHM @ 1 µs peaking time, Cube Class) | 129 eV (H7–H50), 136 eV (H80/R100), 133–136 eV (LE variants) |
| Peak-to-Background Ratio (P/B) | >15,000 (Cube Class H7–H50), >10,000 (H80), >400 (R100), >10,000 (LE variants) |
| Peak-to-Tail Ratio (P/T) | >2,000 (Cube Class), >1,000 (Standard Class) |
| Active Si Thickness | 450 µm |
| Maximum Count Rate | 1,000 kcps |
| Beryllium Window | 8 µm (standard), 12.5 µm (H50), 25 µm (H80/R100), AP3.3 low-energy polymer (H7LE/H18LE) |
| Cooling Performance | ΔT > 75 K (Cube/Premium), ΔT > 55 K (LE variants) |
| Operating Heat Sink Temperature | ≤30 °C |
| Brand | KETEK |
|---|---|
| Origin | Germany |
| Model | VITUS |
| Active Area Options | 7–100 mm² |
| Window Material | 8 µm or 25 µm Beryllium (standard) / AP3.3 polymer (low-energy) |
| Cooling | Peltier, ΔT ≤ 75 °C @ 30 °C heatsink (standard class) / ≤ 55 °C @ 20 °C heatsink (low-energy class) |
| Energy Resolution (FWHM) | ≤133 eV @ Mn-Kα (5.9 keV), 8 µs peaking time |
| Count Rate Capability | >15,000 cps (standard), >10,000 cps (low-energy), dead time <50% at 100 kcps |
| Peak-to-Background Ratio (P/B) | >6,000 (guaranteed) |