DP-12 beta-gamma-radiometer (DP12, DP 12)
Beta-gamma-radiometer DP-12 - a device for the detection and measurement of radioactive contamination of surfaces of various objects.
- By beta decay - from 1000rasp/min×cm 2 to 5000000rasp/min× cm2;
- By gamma radiation - from 1mR / h to 125mR / h
Operating set weight - less than 4.5 kg
Beta gamma radiometers DP-12 can also be used to measure the background gamma and low levels of gamma radiation.
Structural features of the DP-12
Beta gamma radiometer DP-12 consists of two components - the measuring probe and the remote are connected by flexible cable. The instrument consists of the headphones (earphones). At the top of the meter panel placed ammeter with changeover scales, graduated in decays per square centimeter per minute, per hour millirentgenah, switch and knob to adjust the instrument.
Radiometer DP-12 allows an accuracy of ± 20% in the measurement of beta radiation, and ± 40% in the measurement of gamma radiation. Additional error that has been committed radiometers DP-12 from destabilizing factors (cold, heat, moisture) for their multi-temporal action - not more than 20% of the estimated value of the measured quantity. Indications of beta-gamma-radiometer DP-12 is generally overestimated at low temperature and at elevated underestimated.
Beta-gamma-radiometers DP-12 is able to operate with temperature fluctuations from -40 ° C to +50 ° C and normal relative humidity of the ambient air (60% - 70%). Response time: black, red and blue scale-10s, green - 20s, white - 80.
The unit DP-12 shakeproof and impact resistant. Radiometer probe is sealed and can be submerged in water to a depth of 20 cm radiometer allows remote operation of the instrument in the rain.
Radiometer DP-12 is powered via two elements 1,6-PMC-8 powered anode circuits and gas discharge lamps counter - from voltage converters for transistors. One set of sources of supply for the continuous operation of the radiometer for 75 hours (at the beginning of the discharge power supplies are connected in parallel, and in the end - the series).
The manufacturer guarantees that the instrument DP-12 specification requirements under normal use, storage, transportation and installation.
Radiometers DP-12 compliant, ensuring the safety of life, health, consumer and environmental protection.