Ash content measurement
Ash content is one of the main indicators of the paper web quality. Our radioisotope sensor (Fe55) provides a great means for online monitrong of ash content as a part of automated quality systems.
Specifications:
- Sensor type radioisotope
- Operation principle X-ray
- Ash content measurement range 0 - 30%
- Isotope element Fe55 isotope, enclosed
- Isotope activity not more than 3,7 GBq
- Isotope half-life period 2,73 years
- Limit of acceptable random error of measurement (2σ, 50-200 g/m2, white clay) 0,2…0,8 %
- Limit of acceptable random error of measurement (2σ, 50-200 g/m2, chalk) 0,15…0,6 %
- Gamma dose rate at device enclosure not more than 1 μSv/h
- Gamma dose rate at 1 m distance not more than 0.2 μSv/h
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