High pressure ionization chamber gamma dose monitor

High-pressure ionization chamberGamma dose monitor

1. Equipment features

（1）Wide range of dose rates, with an upper limit that can reach10Sv/h,The lower limit can be reached10nSv/h;

（2）Fast response time, response time≤1s；

（3）The sampling rate is adjustable,0-99sAdjustable;

（4）Can store at least10M measurement data with date and time;

（5）Lithium battery, low energy consumption, overall power consumption less than5WContinuous use shall not be less than50Hour;

2. Equipment parameters

1Detector

（1）Detector:chargeAr spherical high-pressure ionization chamber (≥ 2.5MPa), combinationGeiger counter；（2）Dose rate measurement range:10nSv/h – 10 Sv/h；

（3）Energy measurement range50keV –6.0 MeV；

（4) Sensitive volume of detector:8000cm³;

（5）Display unit:Gy/hTheSv/h;

（6) Self background ＜ 10nSv/h;

（7）Angular response:≥98%;

（8）Relative inherent error:±5%within;

（9) Type of monitoring radiation: gamma ray;

2Data acquisition and analysis circuit

（1）equipmentCapable of data collection:

The core motherboard of the device collects the pulses output from the high-pressure ionization chamber and Geiger counter and converts them into digital signals.

（2）The instrument has data analysis capabilities:

Capable of automatically analyzing the environmentMeasure the results of gamma rays and provide an alarm response based on the threshold setting conditions.

（3）instrumentCapable of automatic data storage:

Built in memory, automatically stores data according to the set measurement cycle, and can call and view the stored data.

3、γDose rate monitoring system parameters

（1）response time:≤1s。 （Sampling rate:1s-99s adjustable;）

（2）Communication method:RS232Serial port orUSBPort orRJ45Interface orRS485 port.

（3) Power supply: AC and DC dual-use.

（4) Working environment temperature:-40℃～50℃.

（5) Sensitivity and performance enhancement: fast response time, good temperature stability, high accuracy (zero stability:±0.5µR/hGain stability:±3%＜35µR/h，±0.5%＞35µR/h）；

（6) Extended battery life: up to 50hThe running time is equipped with a built-in power charger;

（7) Increase in data storage capacity: 2GBThe storage capacity is adjustable, the data storage interval is adjustable, and the storage data points exceed10M， The time interval for data storage and recording can be adjusted;

（8) Modular integrated electronic measurement circuit;

（9) Temperature, high voltage, and room current self check, with failure and overload alarm functions. Built in temperature and humidity sensors.