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Overview of Indutech Ash Analyzers

Type

Measuring Principle

Measured Parameter

Advantage

Limitation

GTA 1000-1

Dual Energy Gamma Transmission with Cs-137 and Am-241 as sources

ash content

contactless
low cost

particle < 300 mm influence of elemental composition

  GTA 1000-2

Dual Energy Gamma Transmission with Cs-137 and an X-ray tube as sources

ash content


contactless
improved accuracy compared to GTA 1000-1

particle < 300 mm influence of elemental composition

  GTA 2000

Dual Energy Gamma Transmission with Cs-137 and an X-ray tube as sources

ash content

contactless
iron compensation

particle < 300 mm other elements as Ca must be constant

  OXEA 500-1
2 pending patents

Triple Energy Gamma Transmission with Cs-137, Am-241 and X-ray tube

ash content

contactless
compensation of elemental ash composition

particle < 75-100 mm ( 3 - 4 ) distance to surface 70 - 230 mm

  OXEA 500-3
2 pending patents

XRF / backscatter over belt ash analyser

ash content
elemental composition of ash for elements with Z > 19 (Potassium)

contactless
compensation of elemental ash composition

particle < 75-100 mm ( 3 - 4 ) distance to surface 70 - 230 mm

GTA 3000-1 /
OXEA 600-1

3 pending patents

Dual Energy Gamma Transmission + OXEA 500

ash content

contactless
compensation of elemental ash composition
improved accuracy compared to OXEA 500-1

particle < 75-100 mm ( 3 - 4) distance to surface 70 - 230 mm

  GTA 3000-3 /
OXEA 600-3

3 pending patents

Dual Energy Gamma Transmission + OXEA 500

ash content
elemental composition of ash for
elements with Z > 19 (Potassium)

contactless
compensation of elemental ash composition
improved accuracy compared to OXEA 500-3

 

particle < 75-100 mm ( 3 - 4 ) distance to surface 70 - 230 mm

  OXEA 1000
patented
3 pending patents

XRF / backscatter

ash content
elements with Z > 10

compensation of elemental ash composition
best accuracy

particle size max . < 50 mm, avg.< 25 mm distance to surface ~20 mm sled or bypass belt application

OXEA 2000
patented
3 pending patents

XRF / backscatter

ash
sulphur
elements with Z > 10

compensation of elemental ash composition
best accuracy

particle size max .< 50 mm, avg.< 25 mm distance to surface ~20 mm sled or bypass belt application

  OXEA 3000
patented
3 patents pending

XRF / backscatter

ash
sulphur
elemental ash composition Z > 10

compensation of elemental ash composition
best accuracy

particle size max .< 50 mm, avg.< 25 mm distance to surface ~20 mm sled or bypass belt application

All ash analyzers can be equipped with our PMD 2450 Microwave Moisture Meter to determine the Moisture Content and Calorific Value in addition to the Ash Content. OXEA® 1000 to OXEA® 3000 can be delivered:

• as atline version to measure samples in the laboratory or in the field within 3 minutes
• with optional type recognition and automatic switching of calibration parameters

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