HORIBA : OXYGEN/NITROGEN ANALYZER/EMGA-620W Series

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	EMGA-620W Series
	Specifications

OXYGEN/NITROGEN ANALYZER

EMGA-620W Series

Applications

O and/or N in ferrous and non-ferrous metals
and electronic materials
Oxygen/Nitrogen(EMGA-620W)
Nitrogen(EMGA-622W)
Oxygen(EMGA-623W)

Principle

Inert gas fusion in impulse furnace
O(Oxygen):NDIR(Non Dispersive Infra Red absorption)
N(Nitrogen):TCD(Thermal Conductivity Detection)

Range

O:0 - 0.1 wt%/0 - 1,000 wt ppm
N:0 - 0.5 wt%/0 - 5,000 wt ppm
* Specify wt% or wt ppm when ordering.
* The range may be expanded to 0 - 100 wt% by reducing the sample mass.

Sample required

1.0 g for regular analysis

Accuracy
(repeatability)

Sensitivity
(minimum reading)

0.000001 wt%/0.01 wt ppm or 0.0000001 wt%/0.001 wt ppm

Analysis time

Approx. 40 sec from gas extraction to measurement result display
* Depending on sample and extraction conditions.

Analysis conditions

5 combinations of the following conditions can be preprogrammed Extraction conditions: Furnace control:Electrical power control
	Wattage setting
	Temperature setting
*10 combinations of initial value, final value and time can be preprogrammed. Operation mode:2 operation modes are available depending on the sample
	Block mode
	Power mode
Integration conditions: 3 integration methods are available. Waiting time before integration can be set at 0 - 20,000 sec
	Preset time integration
	Integration up to reach comparator level
	Preset time integration or integration up to reach comparator level, whichever is shorter

Calibration

Multi-point appoximation by least squares method
	One-point or multi-point (up to 30 points) calibration using standard sample
	One-point or multi-point (up to 30 points) calibration using standard gas - (option, standard and for 621W)
	Easy calibration using regular analysis data

Display

Colour TFT screen:
	Interactive display for setting the conditions of analysis and maintenance
	Analysis data including results and conditions
	Alarm messages
	O/N extraction curve
	Temperature curve
	Integration curve
Printer:colour printer
	Analysis data including results and conditions (automatically printed out after each analysis is completed.)
	Preprogrammed analysis conditions
	O/N extraction curve
	Temperature curve
	Integration curve

Cooling method

Internal cooling water circulation method

Functions

	Data storage:
	Pre-programmed sample data up to 100 items Analysis results up to 1000 per file
	Furnace control:10 furnace control patterns can be preprogrammed
	Furnace temperature hold:The furnace temperature can be held at will when operating in interrupt analysis
	Interrupt analysis
	Setting and checking of analysis control range
	Sample fusion status monitoring
	RS-232C output
	Self diagnosis:
	Reagent needs replacing Dust-filter needs changing Cooling water condition fault Furnace condition fault Operating gas condition fault Carrier gas condition fault Others

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