HST-ONH10  Oxygen  Nitrogen  Hydrogen  Analyzer  series  is  a  professional  aboratory  analysis  instrument with high sensitivity, high precision and high stability,and has the ability to upgrade hardware and software in the future.

Principles of Oxygen,Nitrogen and Hydrogen Analysis

Oxygen,nitrogen and hydrogen in metal and non-metallic solid materials are detected by inert gas fusion method.According to the different methods of hydrogen measurement,it can be divided into two types.

nstrument applicationscope and main technical performance data

Applicable scope of the instrument:

Determination  of  oxygen  and  nitrogen  concentration  in  ferrous  metals,non-ferrous  metals,various alloys,zirconium,titanium,molybdenum,nickel,ceramics ,rare earths and othersolid     materials.

Analysis  range:(range  can  be  expanded) 

Oxygen:0.00005%～0.1%

Nitrogen:0.00005%～0.5%

Hydrogen:0.00005%～0.0050%

The above is the weighing range based on the weight of 1g sample The analysis range can be expanded by reducing the sample weight.

Minimum reading:0.000001%

Instrument accuracy:

Oxygen:SD≤0.0001% or RSD≤1.0%

Nitrogen:SD≤0.0001% or RSD≤1.0%

Hydrogen:SD≤0.2ppm or RSD≤2.0%*

Notes:*Subject to standard deviation or  uncertainty  not  exceeding  the  standard.

Instrument application scope and main technical performance data 

Analysis  time:

Oxygen:120～180S      Nitrogen:120～240S

Hydrogen:120～180s/120～240s(Infrared absorption method /thermal conductivity method) (Can be set arbitrarily according to analytical materials)

Weighing  accuracy  of  electronic  balance(one  in  ten  thousand):0.0001g

Analytical method:

Oxygen:infrared absorption method

Nitrogen:thermal conductivity method

Hydrogen:Infrared absorption method /thermal conductivity method 

Pulse  heating  furnace:

Max current 1500A;

Max power:8KVA;

Max Temperature:3000℃;

Carrier gas:High purity Helium99.999%,0.4Mpa

Power gas:ordinary nitrogen(or purified compressed air),0.25Mpa

Chemical   reagents:magnesium   perchlorate;alkali   asbestos