PAA-1800EL Integrated Atomic Absorption Spectrometer with High-Precision Graphite Furnace And Auto Sampler
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PAA-1800EL Integrated Atomic Absorption Spectrometer with High-Precision Graphite Furnace And Auto Sampler

  • Model: PAA-1800EL
  • Integrated design
  • Graphite furnace has high temperature control accuracy and fast heating speed
  • Real-time flow monitoring and protection
  • Automatic sampler
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  • PAA-1800EL

  • TOP

The PAA-1800EL atomic absorption spectrometer is widely used in industries such as scientific research, quality inspection, disease control, environmental protection, metallurgy, agriculture, forestry, and chemical engineering. The innovative software and hardware design ensures the accuracy, safety, and ease of use of sample analysis, and the instrument maintenance is simple and convenient.

Integrated design

The graphite furnace power supply and atomic absorption host are located in one instrument, which shortens the cable length, reduces the electromagnetic interference of the graphite furnace power supply to the outside world, and improves the heating efficiency of the graphite tube.

Graphite furnace has high temperature control accuracy and fast heating speed

By using high-power transformers, micro resistance cables, and light controlled heating methods, combined with software and hardware temperature correction systems, the temperature control accuracy in the high temperature section can reach+1%. More safety protection measures are taken to make sample analysis safer and more reliable. The cooling water of the graphite furnace. Real-time flow monitoring and protection

Monitor the pressure of the carrier gas through a pressure sensor, and automatically control the flow rate of the carrier gas by monitoring the temperature of the graphite furnace through a photodiode. The internal and external gases of the graphite furnace are all automatically controlled by the computer according to the software heating process, using a 150 position rotary graphite furnace

Automatic  sampler

Polar coordinate rotary graphite furnace automatic sampler, with high positioning accuracy, stable and reliable operation, and easy use and maintenance


Host

PAA-1800EL

Wavelength coverage

185-900nm

Wavelength accuracy

±0.15nm

Wavelength Repeatability

<0.1nm

Spectral bandwidth

0.1, 0.2, 0.4, 07,1.0, 1.4 and 2.0nm Seven speed automatic switching

Graphite furnace system


Heating method

Longitudinal heating

Temperature control mode

Longitudinal optical temperature control monitoring graphite tube inner wall temperature

Temperature range

Room temperature to 3000°C

Program temperature control

Full automatic temperature control up to 20 stages, enrichment in the furnace up to 20 times

Characteristic quantity (Cd)

0.4x10-12g

Detection limit (Cd)

0.4x10-12g

Precision

≤2%(automatic injection)≤3%(manual injection)

Cooling water

Optional cooling water circulation system

Safety

Graphite tube damage, water flow, air pressure alarm; Water temperature overheat protection


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