Environmental Radon Measuring InstrumentIt is a professional equipment used to measure radon concentration in the environment. The measurement principle is mainly based on radioactive decay and electrostatic collection methods. The instrument extracts a certain amount of air, soil, or water sample, uses electrostatic collection technology to adsorb radon and its progeny onto the detector, and then measures the alpha or beta particles produced by its radioactive decay to calculate the concentration of radon.
Environmental radon measuring instruments are widely used for monitoring indoor radiation environment radon levels and pollution control in civil construction projects, investigating and evaluating radon concentration in soil at civil construction sites, as well as monitoring environmental radon concentration in mineral resource exploration, engineering geological exploration, nuclear industry departments, earthquake and geological disaster prediction and monitoring, and other fields. In addition, environmental radon meters can also be used for radon concentration and radiation detection in geological surveys to determine geological structures and water quality evaluations.
Environmental Radon Measuring InstrumentTechnical features:
1. High precision and sensitivity
Advanced detection technology:
The combination system of zinc sulfide (ZnS (Ag)) scintillator and photomultiplier tube is used to detect the alpha particle radiation of radon and its progeny by photon counting method. The sensitivity can reach ≥ 0.68 cpm/[Bq · m ⁻ ³] (such as FD-216 type), and the background counting rate is as low as ≤ 0.3 cpm, ensuring accurate measurement of low concentration radon.
Some instruments combine semiconductor sensors or ionization chamber technology to enhance their ability to capture weak signals.
Data processing algorithm:
Built in intelligent algorithms (such as models supported by the Android system) can correct environmental interference (temperature, humidity) and background noise in real time, with measurement repeatability error ≤ 5% and long-term stability error ≤ 10% (continuous operation for 8 hours).
2. Multi functional integration
Multi parameter detection:
Support simultaneous measurement of ambient air radon (3-100000 Bq/m ³), soil radon (300-30000 Bq/m ³), water radon (0.003-100 Bq/L), and radon release rate (0.001-10.000 Bq/[m ² · s]) to meet diverse needs such as indoor environment, geological exploration, and building material testing.
Some instruments can distinguish the contribution of radon and its progeny, optimizing radiation risk assessment.
Continuous monitoring mode:
Support single point detection and continuous monitoring (such as 30 hours of battery life), suitable for long-term environmental monitoring or emergency tracking.
3. Quick response and efficient operation
Shorten the measurement cycle:
The air radon detection time is only 31 minutes, and the soil radon detection time is 11 minutes, significantly improving on-site work efficiency.
The active pump suction design (such as FD-216 type) can quickly collect samples and reduce waiting time.
Intelligent operation:
The Android system supports a full touch interface, one click startup, automatic calibration, real-time data display and storage (can save 2000 records).
Supports USB data transfer, Bluetooth printing, and remote monitoring (some models) for easy data management and report generation.
4. Portability and environmental adaptability
Lightweight design:
The weight of the host is about 5 kg (such as FD-216 type), with a small volume (330 × 210 × 170 mm), making it easy to carry indoors, outdoors, or in enclosed spaces.
Broad working environment:
Working temperature range -10 ℃~+40 ℃, humidity ≤ 90% (40 ℃), suitable for complex scenarios such as basements, mines, high temperature and high humidity environments.
AC/DC dual-use design (powered by lithium-ion batteries for 30 hours) ensures continuous operation in scenarios without power supply.
5. Reliability and Durability
Anti interference capability:
Sealed detector and shockproof structure design reduce the risk of external electromagnetic interference and mechanical damage.
The automatic diagnostic function can indicate faults (such as blocked air paths or low battery power), reducing maintenance difficulty.
Long term stability:
Regular calibration (every 3-6 months) and firmware update support ensure long-lasting and stable measurement accuracy.