The ZF-20DA radioactive personal dose alarm is a small and highly sensitive personal radiation dose alarm. The instrument uses a G-M counter tube as the detector, which has a fast response speed; and uses a powerful single-chip technology, which has a strong anti-interference ability. It is mainly used to monitor X-rays, γ-rays and hard β-rays. Within the measurement range, the alarm threshold can be set arbitrarily. When the alarm threshold is reached, an alarm will be issued to remind the staff to pay attention to safety in time. The main technical indicators of the instrument conform to national standards and international standards. It is a wearable pocket instrument with strong functions, small size and low power consumption among similar instruments in China.

main application:

The ZF-20A radioactive personal dose alarm is widely used in irradiation processing enterprises, health and epidemic prevention, radiotherapy, nuclear laboratories, nuclear power plants, import and export commodity inspection, building materials, petrochemicals, geological surveys, scrap iron and steel, industrial non-destructive testing, etc. There is ionizing radiation Under the environment, personal radiation dose supervision and protection.

Features: 

1. Using energy compensation GM tube (Geiger technology tube), the display value is accurate, and the response is fast;

2. Measure the dose rate in real time, and record the cumulative dose at the same time;

3. High-end OLED display, LED stroboscopic indication of dose rate, simple operation and clear display;

4. Alarm functions such as dose rate, cumulative dose, blocking failure, etc.;

5. Any combination of sound, flashing, and vibration alarm modes can meet various alarm requirements;

6. The alarm threshold can be set arbitrarily within the range;

7. Built-in memory, the accumulated dose value, dose rate alarm threshold and dose alarm threshold data will not be lost after power failure;

8. Chinese and English two voices are available

9. The dose rate unit is different from the domestic only μSv/h, the machine can also provide μGy/h and mR/h, and CPS and CPM can be selected at will

10. The current dose rate and the cumulative measurement value each have 8 kinds of alarm valves to choose arbitrarily

Technical index:

1. Detector: energy compensation type GM counter;

2. Measuring range: Dose equivalent rate: 0.00μSv/h～10mSv/h; Cumulative dose equivalent: 0.00μSv～500.00mSv;

3. Sensitivity: 80CPM/μSv/h (Co-60)

4. Energy response: 48keV～1.5MeV≤±30% (for 137CS-)

5. Relative error: ≤±5% (at 1mSv/h);

6. Power consumption: 2 AAA batteries can last for 26-30 days;

7. Temperature characteristics: -10℃～+50℃≤±10%;

8. Humidity characteristics: 0～95%RH(+35℃)≤±10%;

9. Dimensions: 99*69*24 (mm) (length * width * height);

10. Weight: 110g (including battery);