STT Senfu Technology
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| Brand | STT-Senfu Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT |
| Product Type | Environmental Gamma Radiation Dose Rate Monitor |
| Model Series | OS Series |
| Detector Type | Spherical High-Pressure Ionization Chamber (Argon-filled, 23.8 atm) |
| Dose Rate Range | 0–1 Sv/h (0–100 R/h) |
| Energy Response | 70 keV–10 MeV |
| Zero Drift | ±0.5 μR/h |
| Gain Drift | ±3% below 35 μR/h |
| Calibration Accuracy | ±3.5% |
| Sampling Interval | 5 s |
| Response Time | <10 s |
| Operating Temperature | −40 °C to +55 °C (battery-free operation) |
| Relative Humidity | 0–100% RH |
| Ingress Protection | IP66 |
| Power Consumption | 4 W |
| Data Storage | 1 GB internal memory (≥10 million records) |
| Communication Interfaces | 3× USB, RS-232, RJ-45 Ethernet |
| Angular Dependence | <5% (85% field-of-view, upward incidence) |
| Certifications | CE, WEEE, IEC 60846-1:2014, ETL, RoHS |
| Brand | STT Senfu Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Origin | Domestic (China) |
| Model | OS-8 |
| Price Range | USD 7,000 – 14,000 |
| Frequency Range | 1 Hz – 60 GHz |
| Field Units | V/m, µT, A/m, mW/cm², W/m² |
| Probe Types | Triaxial Isotropic E/H-field Probes (LF & RF) |
| Data Storage | 8 GB (≥1 year at 6-min avg) |
| Power Supply | Solar + 12V/65Ah Lead-Acid (15-day autonomy) or Grid |
| Communication | GPRS/CDMA/4G, Fiber, Intranet |
| Operating Temp | −20 °C to +70 °C |
| Humidity | <95% RH |
| Compliance | YD/T 2390–2013, HJ/T 10.2–1996, Env. Prot. Notice [2007] No. 114 |