ONH Oxygen / Nitrogen / Hydrogen Analyzer

Oxygen Nitrogen Hydrogen Analyzer

ONH-2018

ONH-2018 Series Oxygen Nitrogen Hydrogen Analyzers are professional laboratory analytical instrument with high sensitivity, high precision and high stability. Due to the modular design, future hardware and software upgrades are convenient.

The Applicable Scope of the Instrument

Determination of oxygen, nitrogen and hydrogen in ferrous metals, non-ferrous metals, various alloys, zirconium, titanium, molybdenum, nickel, ceramics, rare earths, magnetic materials and other solid materials.

The Scope of Analysis

Oxygen: 0.00005%~0.1%

Nitrogen: 0.00005%~0.5%

Hydrogen: 0.00005%~0.0050%      

The analysis range can be expanded by reducing sample weighing.

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.

The Time of Analysis:

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)

The electronic balance weighing accuracy (One ten thousandth) : 0.0001g

The Method of Analysis:

Oxygen: Infrared absorption method

Nitrogen: Thermal conductivity

Hydrogen: Infrared absorption method / thermal conductivity method

Pulse Heating Furnace: 

Maximum current: 1500A

Maximum power: 8KVA

Maximum temperature: 3500℃

Carrier gas: 99.999% High purity argon / high purity helium,0.40MPa

Power gas: Ordinary nitrogen or purified compressed air (de-oil removal), 0.25MPa.

Chemical reagent: Magnesium perchlorate, alkali