EMGA-921 Hydrogen analyzer: It's a "New flagship model” for H analyzer and user friendly product.
This is an hydrogen elemental analyzer with high accuracy and repeatability suiting to cutting-edge technology's R&D as well as quality control in the market of steel, new materials, catalyst and so on. This is a new generation model optimized to fit to user's requests.
The hydrogen is measured as H2 by a thermal conductivity detector.
The sample is placed in a graphite crucible and the crucible is maintained between the upper and the lower electrode of the impulse furnace. A high current power passes through the crucible to create a high temperature.
The Hydrogen in the sample is extracted as Hydrogen gas (H2) and its concentration is determined by a thermal conductivity detector (TCD).
Analysis examples of JSS samples containing lowconcentrations of hydrogen.
Simple software allows easy handling.
Extracted gas signals are displayed in real time numerically and also as curves together with temperature level. Graphs are saved automatically.
In the measurement window, sample weight can be registered automatically. Results are saved in a data table for easy management.
Maintenance counter informs users at the timing of consumables replacement to keep high accuracy means.
And as navigator describes the easy to understand procedure for the replacing parts, operator can do maintenance works with absolutely no experience and technical knowledge.
EMGA-921: Hydrogen analyzer
Hydrogen: Thermal Conductivity detector (TCD）as H2
*Possible to increase the range by reducing the sample weight.
Sample weight: 1.0 ± 0.1g
Sensitivity (Minimum reading): Hydrogen: 0.001 ppm.
σn-1≦0.04 ppm or RSD≦0.5% whichever is larger (Reference gas)
** Based on the sample weight 1.0 ± 0.1g and with automation functions described below
Power of furnace
Inert gas fusion in impulse furnace
Enable to set the generating power 0 – 8.0 kw
Sample introduction: Dual sample/flux introduction mechanism
Automation functions: Auto cleaner, Crucible loader
Preset time integration
Integration up to reach comparator level
Preset time integration or integration up to reach comparator level, whichever is shorter
Sample ID: Enter up to 20 one-byte characters
Sample introduction is positioned at 650mm from table.
On carrying, it is divided in two units (Under 140kg/unit)
Computer: PC model operating OS Windows® XP(SP2) and beyond
Main unit: AC200/220/230/240V ± 10%
Auto cleaner: AC100V (Step-down transformer)
Frequency: 50/60 ± 1Hz
Electric power consumption
Main unit: 12kVA (MAX)
Auto cleaner: 1.5kVA (MAX)
Ground resistance: Less than 10Ω
Operation temperature: 5-40°C
Performance temperature: 5-35°C
Humidity: Maximal relative humidity 80％RH between 5-31℃, linearly decrease down to 50％RH between 31-40℃
Vibration: Duplex amplitude 20micron and less than 0.098m/S2 accelerations at frequency band
Ar carrier gas: Purity greater than 99.995%, Pressure 0.35MPa
Stainless steel pipe(O.D.3mm) and suitable connecter fitting within 3m of unit
Dry air or N2 as operating gas: Pressure 0.45MPa
Nylon pipe (O.D.6mm) and suitable connecter fitting within 5m of unit
Cooling mechanism: Radiator unit (Separation type)
Electronic balance (Option)
Enable connection with electronic balance with 1-0.01mg minimum display
Optional automatic voltage regulator (AVR)
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