Medcom
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| Brand | Medcom |
|---|---|
| Origin | USA |
| Model | CRM-100 |
| Detector Type | Halogen-quenched Geiger-Müller tube with mica end-window (45 mm diameter, 1.5–2.0 mg/cm² density) |
| Radiation Types Detected | Alpha, Beta, Gamma, and X-ray |
| Energy Range | 20 keV – 3 MeV |
| Dose Rate Range | 0.001–110.0 mR/h or 0.01–1100 µSv/h |
| Count Rate Range | 0–3,500 CPS / 0–350,000 CPM |
| Total Count Capacity | Up to 9,999,000 counts |
| Timer Range | Up to 40 hours |
| Sensitivity | ≥1,000 CPM per mR/h (referenced to Cs-137) |
| Accuracy | ±10% typical, ±15% maximum (mR/h and µSv/h modes) |
| Audio Feedback | Click-per-count (user-muteable) |
| Display | 4-digit LCD with mode indicators |
| Output Interface | 3.5 mm mono jack (CMOS-compatible TTL pulse output) |
| Input Interface | 2.5 mm calibration input port |
| Power | One 9 V alkaline battery (typical life: 2,160 hours) |
| Dimensions | 150 × 80 × 30 mm |
| Weight | 225 g (including battery) |
| Certifications | CE, RoHS, WEEE, ISO 9001:2001 & ISO 14001 |
| Brand | Medcom |
|---|---|
| Origin | USA |
| Model | Radalert100 |
| Detection Principle | Halogen-quenched Geiger-Müller tube |
| Energy Range | 20 keV – 3 MeV |
| Dose Rate Range (mR/hr) | 0.001 – 110.0 |
| Dose Rate Range (µSv/hr) | 0.01 – 1100 |
| Count Rate (CPM) | 0 – 350,000 |
| Count Rate (CPS) | 0 – 3,500 |
| Total Count Capacity | 1 – 9,999,000 |
| Calibration Source | ¹³⁷Cs (γ) |
| Sensitivity | 1,000 CPM per mR/hr (referenced to ¹³⁷Cs) |
| Accuracy | ±10% typical, ±15% maximum |
| Display | 4-digit LCD with mode indicators |
| Audio/Visual Alert | User-adjustable threshold, LED flash per count |
| Interface | 3.5 mm output jack (0–9 V, 1 kΩ impedance), 2.5 mm calibration input |
| Power | 9 V alkaline battery (≥700 h typical life) |
| Dimensions | 150 × 80 × 30 mm |
| Weight | 323 g (including battery) |
| Compliance | CE-marked |