EMGA 930 Oxygen/Nitrogen/Hydrogen Combustion Analyzer0 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