IAD-I
Individual Accuracy Dosimeter
The IAD-I is a radiation detection device equipped with an OLED display and a high-sensitivity metal Geiger-Müller tube detector. It accurately measures the intensity of photon and electron radiation in the environment, supports real-time viewing of dose rate and cumulative dose, and alerts users via audible and visual alarms when radiation levels exceed safety thresholds. With a wide measurement range, it is suitable for personnel requiring radiation dose monitoring.
Compatible with
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Occupational Protection:
- Daily dose management for healthcare workers and radiation workers
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Environmental Monitoring:
- Radiation level monitoring in workplaces, laboratories, and hospital radiology departments
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Public Self-Assessment:
- Evaluation of daily radiation exposure from air travel, medical examinations, and residential environments
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Education and Training:
- Radiation safety instruction and science outreach demonstrations
Key Features

Long-Lasting Battery Life
Built-in lithium battery with Type-C charging port, providing up to 240 hours of operation on a full charge.

Lightweight, Portable, and Easy to Use
Weighs only 37 grams with a detachable clothing clip for convenient wear. Features a large-font OLED display for clear visibility and intuitive page navigation. Ready to use immediately upon startup—no complex training required.

Multiple Data Storage Modes
Timed Mode: Measures cumulative dose over a specified period, tracking up to 99.9 hours.
Cumulative Mode: Automatically records total accumulated dose; resets upon data clearance.
Daily Mode: Automatically stores daily cumulative dose (resets at midnight).
Cumulative Mode: Automatically records total accumulated dose; resets upon data clearance.
Daily Mode: Automatically stores daily cumulative dose (resets at midnight).

Smart Fully Automatic Mode
Automatically measures and displays cumulative dose and dose rate in real time; automatically stores daily and period-specific cumulative dose data (up to 150 sets) with instant retrieval; provides triple alerts (text prompt, buzzer, and red light) when dose exceeds thresholds.

One Device, Multiple Functions, Comprehensive Protection
Not only does it display radiation dose in real time, but it also automatically records daily and monthly cumulative doses, with customizable alarm thresholds. A single device meets all needs from real-time monitoring to long-term dose management.
Technical Parameters
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Detector TypeGeiger-Muller Tube
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Dimensions (with Clip)130mm×23mm×19mm (LxWxH)
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Display2.08-inch OLED
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Operating Voltage400V
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Sensitivity66cpm/μSv/h
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Measurement Range (Dose Rate)0.10μSv/h~10.00mSv/h
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Battery Capacity380 mAh (Lithium Battery)
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Maximum Standby Time240h
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Operating Temperature10℃~40℃
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Weight37g (Including Battery)
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Energy Response50keV~3MeV≤±30%
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Measurement Range (Cumulative Dose)0.00μSv~99.99Sv

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