EMGA-9300 pages
Specifications
Product name
Oxygen/Nitrogen/Hydrogen analyzer
Model
EMGA-930
Principle
Oxygen: Non Dispersive Infrared detector (NDIR)
Nitrogen: Thermal Conductivity detector TCD
Hydrogen: Non Dispersive Infrared detector (NDIR)
Measurement range*
Oxygen: ~5% (m/m) Nitrogen: ~3% (m/m)
Calibration
1) One point or multi point calibration (Reference gas or standard samples)
2) Calibration using previous analysis data
Functions
1) Display of realtime extraction curve
2) Analysis interruption
3) Self diagnosis and alarm display
4) Analysis of extraction curve
5) Output (RC-232C or TCP/IP)
Dimensions
750mm(H) 785mm(D) 653mm(W)
Sample window is positioned at 650mm from table.
3) Calibration curve correction function
Hydrogen: ~0.25% (m/m)
*Up to 100% wt is possible by decreasing the sample weight.
Sample weight
1g as standard condition, possible to decrease
Sensitivity
(Minimum reading)
Oxygen/Nitrogen/Hydrogen: 0.001μg/g
Precision
(Repeatability)
Oxygen/Nitrogen: SD 0.02μg g or RSD 0.5% whichever is larger (Reference gas)
Hydrogen: SD 0.04μg g or RSD 2.0% whichever is larger (Reference gas)
Weight
230kg: For transportation, the system can be split into 2 units < 140 kg each
Computer
PC with Windows XP (SP2)
Display
1) Measurement result: PC or printout
2) Alarm message: PC or printout
3) Flow sheet: PC
Power
Main unit: AC200/220/230/240V ± 10%
Vacuum cleaner: AC100V (Step-down transformer included)
Frequency: 50/60Hz
Type and power
of furnace
Impulse furnace with inert gas fusion with power variable from 0 to 8.0kw
Sample introduction
Dual sample/flux introduction mechanism
Automation functions
Auto cleaner, Crucible loader
Integration conditions
Preset integration times, integration time to reach the comparator level or
both with the shortest time used.
Enter up to 20 characters
Main unit: 12kVA (MAX) Vacuum cleaner: 1.5kVA (MAX)
Less than 10
Installation condition
Operation temperature: 5-40 Optimum temperature: 5-35
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
Required gas
Sample ID
Electric power consumption
Ground resistance
He carrier gas: Purity greater than 99.995%, Pressure 0.35MPa
Stainless steel tube(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
Other available models
EMGA-830AC: same performance as EMGA-930 but without crucible loader
EMGA-830M: same performance as EMGA-930 but without crucible loader and auto cleaner
Cooling mechanism
Dimensional outline drawing
Separate Water Cooler unit
Electronic balance: option
Enable connection with electronic balance with 1-0.01mg sensitivity
Automatic voltage regulator
(AVR): option
EMGA-930
Capacity: 15kVA
Weight: 130kg
Installation example
Consumables/Options
Oxygen
Nitrogen
Hydrogen