Portable Dose Rate Meter

Portable dose rate meter is a versatile instrument designed to monitor gamma radiation dose rates in various radioactive environments. Utilizing Texas Instruments' ultra-low-power processor technology, this device offers a broader measurement range and superior energy response compared to similar instruments. It is widely used in medical facilities, disease control centers, environmental protection agencies, metallurgy, petroleum, chemical industries, radioactive laboratories, customs inspections, industrial radiography, radiation processing, mining, and other scenarios requiring radiation monitoring and protection.

Features

High sensitivity, wide measurement range, and excellent energy response characteristics.
High-speed, ultra-low-power microprocessor unit.
Dual display modes: Digital readout and analog scale for dose rate visualization.
Bilingual interface: Supports Chinese and English menu navigation.
Dot-matrix LCD with high-brightness backlight for clear visibility in all conditions.
Simultaneous measurement of dose rate and cumulative dose.
Two-level dose rate threshold alarm with programmable settings.
Detector fault alarm for operational reliability.
Real-time battery level indicator.
Lightweight, ergonomic design with ABS and aluminum alloy housing.
Extended handle design: Standard 40cm length, extendable to 100cm for operator safety.
20,000 dose rate data storage capacity (retained during power loss).
Optional USB data transfer capability.
Built-in removable 18650 rechargeable lithium battery.

Technical Specifications

Detector: φ30×25mm NaI scintillation crystal.
Sensitivity: ≥350 CPS at 1 µSv/h.
Measurement Range:

Dose Rate: 0.01–600.00 µSv/h
Cumulative Dose: 0.00–99,999 µSv

Energy Response:48 keV–3 MeV ≤±30% (relative to ¹³⁷Cs).
Relative Error: ≤±10%.
Adjustable Measurement Time: Programmable from 1–250 seconds.
Alarm Threshold: Two-level programmable range (0.01–600.00 µSv/h)
Display Units:
Dose Rate: nSv/h, µSv/h, nGy/h, µGy/h
Count Rate: CPS (auto-ranging based on intensity).
Power Supply: 18650 lithium battery; <80 mW power consumption.
Dimensions & Weight: 40×20×7.5 cm，≤750g.
Operating Temperature: -15℃ to +45℃.
Humidity Tolerance: ≤95% RH** (non-condensing).

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