External Examination; Testing - ECOTEST SPECTRA MKS-11GN Operating Manual

3.2.3 Verification conditions
3.2.3.1 Verification should be carried out under the following
conditions:
- ambient air temperature within (20±5) °С;
- relative air humidity within (65±15) %;
- atmospheric pressure from 84 kPa to 106.7 kPa;
- natural gamma radiation background should not exceed
0.25 µSv/h;
- the device should be powered from the newly charged storage
battery.
3.2.4 Verification procedure

3.2.4.1 External examination

During external examination the device should meet the
following requirements:
- the delivery kit should be completed as described in OM 1.3;
- labeling should be accurate;
- Quality Control Department seals should not be violated;
- the device should be free from mechanical damage that may
affect its performance.
Note. The delivery kit of the device is checked only at
manufacture.

3.2.4.2 Testing

3.2.4.2.1 Switch on the device according to OM 2.3.3.1 and
proceed to calibration relative to gamma background.
3.2.4.2.2 Place the
observe the increase of pulse count rate from the gamma detector
above the background level, and alarm triggering when an
automatically set search threshold level is exceeded.
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Cs gamma source near the device and
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