The new ELEMENTRAC ONH-ps is a powerful and robust elemental analyzer for the simultaneous determination of oxygen, nitrogen and hydrogen concentrations in inorganic samples such as steel, iron, copper or ceramics. The highly sensitive NDIR cells without moving parts and the thermal conductivity detector for nitrogen measurement reliably detect element concentrations from the low ppm range to the high percentage range.
Thanks to the novel sample lock with pulsed chamber purging and vertical fall channel, user-friendly and convenient analysis of rod-shaped, granular or powdery samples with a weighed portion of up to 2 grams is easily possible. The ELEMENTRAC ONH-ps elemental analyzer meets or exceeds the requirements of all common international standards, such as ASTM E 1019 or DIN EN 3976.
Oksijen / Azot / Hidrojen Analizörü ELEMENTRAC ONH- p
- Kapalı gaz sistemi sayesinde düşük gaz tüketimi ve yüksek hassasiyet
- Pin, toz ve granüllerin kolay uygulanması
- Taşıyıcı gaz olarak ucuz argon gazı mümkündür
- Kısa analiz süreleri
- 8,5 kW ile güçlü darbeli fırın
- Opsiyonel Otomatik Temizleyici
- Çelik, demir dışı metaller, seramikler, cüruflar ve cevherler gibi inorganik numunelerin güvenilir ONH element analizi.
Oksijen / Azot / Hidrojen AnalizörüELEMENTRAC ONH-ps Tipik Örnek Malzemeler
Alaşımlar, Alüminyum Karbürler, Dökme demir, Seramik, Bakır, ferroalaşımlar, Demir, Madenler, Refrakter metaller, Çelik, ...
Oksijen / Azot / Hidrojen Analizörü ELEMENTRAC ONH-ps Operasyon ve Analiz Süreci
1. Adım: Örneği ELEMENTS yazılımına kaydetme
Numune kimliği yazılıma kaydedilir ve ağırlık otomatik olarak aktarılır (bkz. Adım 2).
Adım 2: Numunenin tartılması ve porta yerleştirilmesi
The ELEMENTRAC ONH-ps analyzes volumes from a few mg up to 2 grams safely and precisely. Rod-shaped or granular samples can be applied directly. For the elemental analysis of powders, a capsule is recommended which does not have to be sealed.
3. Adım: Analiz
Boş grafit pota daha sonra alt elektrot üzerine yerleştirilir ve ELEMENTS yazılımı aracılığıyla element analizi başlatılır. Yazılım, sonraki tüm işlem adımlarını kontrol eder.
Adım 4: Veri çıkışı ve dışa aktarma
Analiz başladıktan 120 ila 180 saniye sonra, ölçülen konsantrasyonlar bir rapor olarak veya LIMS aracılığıyla dışa aktarılabilir.
The new measurement procedure
Common O/N/H analysis for inert gas fusion analyzers mean that a thermal conductivity cell is used for both hydrogen as well as for nitrogen analysis. This means that two independent measurements have to be performed when determination of nitrogen and hydrogen is required. The ELEMENTRAC ONH-ps utilizes a new designed water IR cell without moving parts which allows a reliable measurement of hydrogen as water even in the lower ppm concentration range. This allows the simultaneous measurement of oxygen, nitrogen and hydrogen in one sample.
| Elementler | Measured as | Detector | ||||
| Oksijen | CO2 | IR | ||||
| azot | N2 | TCD | ||||
| Hidrojen (common technique) | H2 | TCD | ||||
| Hidrojen(new technique) | H2O | IR | ||||
Oksijen / Azot / Hidrojen Analizörü ELEMENTRAC ONH-ps Konfigürasyonlar
The ELEMENTRAC ONH-ps is a multi-element analyser for the parallel determination of oxygen, nitrogen and hydrogen (ONH). While oxygen is detected as CO2 and hydrogen as H2O in infrared measuring cells, nitrogen is determined in elemental form using a thermal conductivity cell. The ELEMENTRAC ONH-ps uses helium or, alternatively, argon as the carrier gas.
The ELEMENTRAC ONH-ps uses our newly developed infrared measuring cells without moving parts. These measuring cells are characterised by a very good signal-to-noise ratio and high stability.
The ELEMENTRAC ONH-ps elemental analyzer is available as a single-element analyzer for hydrogen only, or in a multi-element configuration for measuring ONH. Whereas oxygen and hydrogen are determined as CO2 and H2O in up to three infrared cells, nitrogen is detected in its elemental form in a thermal conductivity cell.
Değişken uzunlukta küvet
Yüksek hassasiyete sahip termal iletkenlik hücresi
Oksijen / Azot / Hidrojen Analizörü ELEMENTRAC ONH-ps Entegre standart çözümler
The chemicals and filters required for operation of the elemental analyzer are arranged conveniently on the front panel and can be concealed behind a removable door during routine operation. This arrangement significantly reduces the time required for maintenance and increases user-friendliness. In addition, innovative details considerably improve the reproducibility of measurements.
Yenilikçi numune portu ve darbeli hazne yıkama
The new sample port of the ONH-ps elemental analyzer ensures comfortable operation and reproducible measured values. Differently shaped materials like solid pieces, granules or powder in capsules can be applied up to a weight of 2000 mg, and are quickly freed from the surrounding atmosphere with the help of pulsed carrier gas flushing in the sample port. Then they drop vertically into the preheated graphite crucible for analysis.
- Toz oluşumuna karşı dirençli
- Kapsüllerin kapatılmasına gerek yoktur
- 2000 mg granülata kadar doğrudan uygulama
- Düşük bakım gereksinimi ve az aşınma
Güçlü katalizör
During fusion of the sample CO is formed, whereas hydrogen and nitrogen are released in elemental form. The powerful catalyst furnace oxidizes CO to CO2 and hydrogen to water, which are subsequently measured in the IR cells. The high temperature catalyst furnace with copper oxide filling guarantees the complete oxidation of CO to CO2 and of course of H2 to gaseous H2O.
Kapalı gaz yönetimi
The ELEMENTRAC ONH-ps elemental analyzer series uses a closed gas system in overpressure. This ensures that always 100% of the released sample gas is fed to the detectors which guarantees low detection limits and good reproducibility.
Oksijen / Azot / Hidrojen AnalizörüELEMENTRAC ONH-ps Opsiyonlar
Otomatik temizleyici
By melting the sample in a graphite crucible at temperatures of up to 3000 °C deposits are generated at the upper electrode and in the furnace chamber which may affect the reproducibility of ONH measurements in a negative way.
The new optional Autocleaner reliably removes these deposits, enabling precise elemental analysis even for high throughputs. Additionally, an efficient gas calibration and cleaning furnace for thorough carrier gas pre-cleaning are available for the elemental analyzer.
YENİAutoloader
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Oksijen / Azot / Hidrojen AnalizörüELEMENTRAC ONH-ps Fonksiyon prensibi
The ELEMENTRAC ONH-ps uses a measuring principle with a wide operating range. To analyse the sample, it is weighed and placed in the sample lock. Flushing with carrier gas ensures that no atmosphere (e.g. nitrogen and oxygen) enters the analysis chamber.
The graphite crucible is then annealed in the pulse furnace to reduce any contamination, such as residual hydrogen. After a stabilisation phase, the sample falls into the graphite crucible and is melted. Elemental nitrogen, hydrogen and carbon monoxide are released from the sample melt into the carrier gas stream. The carbon monoxide comes from the reaction of the carbon in the graphite crucible with the oxygen in the sample. The carrier gas (helium) and the sample gas pass through a dust filter before entering a copper oxide catalyst, where CO is converted to CO2 and elemental hydrogen to H2O.
The resulting CO2 and H2O are then detected in the infrared cells. CO2 and H2O are chemically removed and the nitrogen content is measured in the heat conduction cell.
Optionally, inexpensive argon can be used instead of helium as the carrier gas for determining oxygen and nitrogen.
Oksijen / Azot / Hidrojen Analizörü ELEMENTRAC ONH-ps Teknik Veri
| Measured elements | oxygen, nitrogen, hydrogen |
|---|---|
| Samples | inorganic |
| Furnace alignment | vertical |
| Sample carrier | graphite crucibles |
| Field of application | metal production, quality control, research, metallurgy, aviation, automotive |
| Furnace | electrode impulse furnace (max. 8,5 KW*), temperatures in excess of 3,000 °C |
| Detection method | infrared absorption for oxygen and hydrogen, thermal conductivity for nitrogen |
| Typical analysis time | 120 - 180 s |
| Chemicals required | copper oxide, magnesium perchlorate,sodium hydroxide |
| Gas required | compressed air, helium 99.995 % pure, argon 99.995% pure (if required), all gases with (2 - 4 bar / 30 - 60 psi) |
| Power requirements | 3~ 400 V, 50/60 Hz, max. 8,500 W |
| Dimensions (W x H x D) | 56 x 78 x 64 cm |
| Weight | ~ 165 kg |
| Required equipment | PC, monitor, balance (resolution 0.0001g) |
| Optional accessories | carrier gas purification, autocleaner,autoloader, external chiller |