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| Brand | TaiKun |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | TK-GEM50P4-83-RB-SMP |
| Instrument Type | Laboratory Gamma Spectrometer |
| Detector Type | P-type Coaxial High-Purity Germanium (HPGe) |
| Measurement Mode | Gamma-ray Spectrometry |
| Sample Form | Solid |
| Energy Range | 30 keV – 10 MeV |
| Relative Efficiency | ≥50% @ 1.33 MeV |
| Energy Resolution (FWHM) | ≤0.85 keV @ 122 keV, ≤1.8 keV @ 1.33 MeV |
| Peak-to-Compton Ratio | ≥53 |
| Peak Shape (FW.02M/FWHM) | ≤3.0 |
| Cooling Method | Electromechanical Cryocooler (Pulse Tube) with 25 L LN₂ Dewar |
| Shielding | Dual-layer low-background lead chamber (15 cm Pb + Cu/Sn lining) |
| Software Compliance | Supports FDA 21 CFR Part 11 audit trails, GLP/GMP data integrity protocols |
| Brand | GEORADIS |
|---|---|
| Origin | Czech Republic |
| Model | RT-50 A |
| Instrument Type | Laboratory Gamma Spectrometer |
| Detector Type | NaI(Tl) Scintillation Crystal (76 mm × 76 mm, 0.35 L) |
| Measurement Range | 20 keV – 3.0 MeV |
| Energy Resolution | ≤7.5% FWHM at 662 keV (¹³⁷Cs) |
| Sensitivity | 0.02 Bq/g (for ⁶⁰Co) |
| Channel Count | 1024-channel MCA |
| Shielding | ≥9 cm lead equivalent (min. wall thickness 3.5 in), integrated sliding heavy-duty shielded lid |
| Dimensions (H×W×D) | 770 × 360 × 620 mm |
| Weight | 410 kg (lead-shielded configuration: 580 kg) |
| Interface | USB 2.0 |
| Operating Temperature | 0–40 °C |
| Software Platform | LabCentre (Windows/Linux, FirebirdSQL 2.6+) |
| Brand | TaiKun |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TK-Mobius |
| Instrument Category | Gamma-Ray Spectrometer |
| Instrument Type | Laboratory-Based |
| Sample Form | Solid |
| Detector Type | High-Purity Germanium (HPGe) |
| Cooling Method | Liquid Nitrogen Recondensation (Closed-Cycle) |
| Operating Temperature | ≤ 77 K |
| Nominal Dewar Capacity | 28 L |
| Continuous Operation (Uninterrupted Power) | Up to 2 Years |
| Power Consumption | 125 W (Typical), 300 W (Max) |
| Ambient Operating Conditions | 0–40 °C, 20–90% RH (Non-Condensing) |
| Acoustic Noise Level | < 60 dB(A) at 1 m |
| Displayed Parameters | Cryocooler Status, Estimated Remaining Cryogenic Hold Time (h), LN₂ Level, Low-Level Warning Threshold (48 h) |
| Physical Dimensions (Dewar Only) | 66.5 cm H × 44.1 cm Ø |
| Air Filter Maintenance Interval | Monthly |
| Mounting Flexibility | Vertical or Horizontal Cold Finger Orientation |
| Electronics Architecture | Decoupled Cryo-Control and Signal Processing Circuitry (Separated from Dewar) |
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