Oxygen at 1 gram sample

Nitrogen at 1 gram sample

Low oxygen
0.0 - 300 ppm¹⁾

High oxygen
up to 2% ¹⁾

Low nitrogen
0.0 - 300 ppm¹⁾

High nitrogen
up to 2%¹⁾

Sensitivity 0.01 ppm oxygen
Indicating range 0 - 100% oxygen²⁾

Sensitivity 0.1 ppm nitrogen
Indicating range 0 - 100% nitrogen²⁾

Low oxygen
± 0.1 ppm or ± 1% of oxygen present

Low nitrogen
± 0.1 ppm or ± 1% of nitrogen present

High oxygen
± 2 ppm or ± 1% of oxygen present

High nitrogen
± 2 ppm or ± 1% of nitrogen present

Normal sample weight
1g

Normal analysis time
2 minutes

Detection method
Solid state infrared absorption for oxygen
Thermal conductivity for nitrogen

Chemicals
CO₂ trap - sodium hydroxide
H₂O trap - magnesium perchlorate
Catalyst - copper oxide

Gas required
Helium³⁾ at least 99.995% pure⁴⁾ 2 to 4 bar (30 to 60 psi)

Compressed air
4 to 6 bar (60 to 90 psi)

Calibration
Standard samples and gas dosing device on request

Furnace temperature up to 3000 °C
Furnace power 0 to 8 kW

Interfaces
Computer - serial⁵⁾

Power requirements
max 8500 W 50/60 Hz 400VAC ±10% 3 phase + neutral or 230VAC ±10% single phase on request

Weights
approximately 135 kg

 Dimensions
         Width         Height          Depth        
  55cm (21") 80cm (31.5") 60cm (23.5")   

Balance: 0.0001g to 60 g ± 0.0001 g

Computer: Pentium PC with HDD, 3.5" drive, CD-ROM, color monitor and keyboard

Color printer with automatic cut sheet feed, other options on request