Elemental Analyzers

EMGA-620W - Oxygen/Nitrogen Combustion Analyzer

Overview

The HORIBA EMGA-620W Series are practical analyzer for most applications which determine the oxygen and nitrogen contained in ferrous and non-ferrous metals, ceramics, new materials, electronic materials and other inorganic materials using the inert gas fusion method.

The oxygen is measured as carbon monoxide by a non-dispersive infrared detector and the nitrogen is measured by a thermal conductivity detector.

The EMGA-620W series are equipped with an abundance of analytical functions and provides fast and high precision analysis to suit a broad range of user needs. It is ready for a variety of application from research and development to on-site analysis

Features

Different analysis modes for different samples
Precision control of extraction furnace
Multistep slope power control
Real-time temperature hold function
Temperature programmable pattern memory function
Peak level setting function
Multifunctional graphic printout
Dual sample/flux introduction mechanism(HORIBA patent)

Manufactured by HORIBA

Specifications

EMGA-620W: Oxygen/Nitrogen analyzer
EMGA-622W: Nitrogen analyzer
EMGA-623W: Oxygen analyzer

Principle: Inner gas fusion in impulse furnace in He flow
Oxygen: NDIR
Nitrogen: TCD

Range
Oxygen:0-0.1%
Nitrogen:0-0.5%
Up to 100% wt is possible by decreasing the sample weight.

Accuracy
For standard sample
σn-1≦0.0001%(m/m) (Sample conc.is under 0.002%(m/m))
σn-1≦0.00015%(m/m) (Sample conc.is 0.002%(m/m) and above)
or CV≦1.5% (For standard sample)

Option/For reference gas
σn-1≦0.000025%(m/m) or CV≦0.4%

Sample weight: 1,0g standard

Sensitivity: 0,01ppm

Analysis time: Approx. 40sec from gas extraction to measurement result display
Depending on the sample and extractions.

Analysis conditions
Extraction conditions:
Furnace control: Electrical power control
Wattage setting
Temperature setting

Operation mode:2 operation modes are available depending on the sample
Block mode
Power mode

Integration conditions: 3 integration methods are available.
Preset time integration
Integration up to reach comparator level
Preset time integration or integration up to reach comparator

Calibration
One-point or multi-point (up to 30 points) calibration using standard sample
* Option:Gas dosing calibration

Extruction furnace
Furnace structure
*Enable to set the generating power 0-8kw
Enable to temperature programmed analysis in controlling temperature,
power current and electricity.
Internal cooling water circulation method

Functions
Interrupt analysis
Alarm display
Data storage (Preset list up to 100 items, Result up to 1000 per file)
Memory of calibration curve and measurement conditions
Out put (RC-232C)
Furnace control: 10 furnace control patterns can be programmed
Self diagnosis

Automation function
Autocleaning function (Option)

Power
Main unit: 200/220/240V, 50/60HZ
PC: 100/120/200/220/240V, 50/60Hz

Dimensions
Analyzer unit 450W×920D×725H　　
Combustion unit: 550W×920D×725H

Weight
Analyzer unit: approx 100kg　　
Combustion unit: approx 170kg