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INFORMATION SPECIFICATIONS  

OH-900
Oxygen / Hydrogen Determinator

  Specifications
MEASURING RANGES

Oxygen at 1 gram sample

Hydrogen at 1 gram sample

Low oxygen
0.0 - 300 ppm 1)

High oxygen
up to 2% 1)

Low hydrogen
0.0 - 50 ppm 1)

High hydrogen
up to 1000 ppm 1)

Sensitivity 0.01 ppm oxygen
Indicating range 0 - 100% oxygen 2)

Sensitivity 0.01 ppm hydrogen
Indicating range 0 - 100% hydrogen 2)

ACCURACY

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

Low hydrogen
± 0.05 ppm or ± 1% of hydrogen present

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

High hydrogen
± 0.5 ppm or ± 1% of hydrogen present

GENERAL SPECIFICATIONS

Normal sample weight
1g

Normal analysis time
2 minutes

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

Chemicals
CO2 trap - sodium hydroxide
H2O trap - magnesium perchlorate
Catalyst - Schutzes reagent

Gas required
Nitrogen at least 99.995% pure 3) 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 - serial 4)

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")   

ACCESSORIES

Balance: 0.0001g to 60 g ± 0.0001 g

Computer: Pentium PC with HDD, 3.5" drive, CD-ROM, TFT flat screen and keyboard

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

  1) Other ranges on request.  2) Possible by reducing the sample weight.  3) 99.999% pure for low oxygen analysis. 4) Balance (serial - RS232) and printer (USB, parallel) are connected to the PC.

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