The MG8E paramagnetic oxygen analyzer measures the concentration of oxygen, employing a technique that is based on the fact that a magnet attracts gaseous oxygen. Whereas zirconia oxygen analyzers cannot measure oxygen in flammable gas mixtures, the MG8E can measure not only the oxygen concentration in flammable gas mixtures but also in low concentrations, with high precision.
With an appropriate sampling system it can also measure oxygen in high temperature, high pressure, high duty, or high-humidity process gas mixtures.
The sensor has a totally new architecture for its magnetic proportional flow rate system that has been developed based on our long and field-proven experience. The converter provides ease of use and high reliability.
The converter provides improved system reliability, enhanced / useful functionality, and ease of use.
- Easy Operation with Large Display: Analog bar graph, large digital LED display, status indication
- Compensation for Atmospheric Pressure Error
- One-touch Calibration, Automatic Calibration for Labor-saving
- Multiple Self-diagnosis Functions
The detector uses a magnetic proportional flow rate system, a world's first. This unique technology is based on our more than 30 years experience with paramagnetic oxygen analyzers.
- Reliable sensor: Long life, stable thermistor, 90% response within 3 seconds, minimum drift
- Structure with No Movable Parts
- Interference-gas Compensation Function: Excellent linearity and repeatability of ±1%F.S.
- Stable Indications of Zero Point
|Measurement object||Oxygen concentration in gaseous mixture|
|Measurement system||Paramagnetic system|
|Measurement range||0-1 to 0-25 vol%O2, 3 ranges can be programmed.|
|Analog output signal||4 to 20 mA DC (load resistance: Max. 550 Ω)|
|Contact output||Fail; 1 point, open or closed when error occurs, user configurable.
Low auxiliary gas pressure alarm; 1 point, open or closed when error occurs, user configurable.
Maintenance status; 1 point, closed during maintenance.
Range Answerback or Hi/Lo Alarm; 2 points, normally de-energized.
|Contact input||Remote range switching, calibration start|
|Sample Gas Condition||Gas flow; 300 to 800 ml/min. ±10% of a set value (Standard 600 ml/min)
Gas pressure; Approx. 7 kPa in Analyzer inlet
Gas temperature; 0 to 50℃
|Auxiliary Gas||N2 gas, Pressure; 350 to 500 kPa|
|Calibration Method||Automatic calibration, Semiautomatic calibration, Manual calibration|
|Calibration gas||Zero gas; N2 gas
Span gas; Dry air
|Auxiliary gas pressure||N2 gas, 350 to 500 kPa (Approx. 35 ml/min)|
|Ambient temperature||-5 to 50℃|
|Installation||Indoor, panel or wall mounting|
|Structure||Flameproof (Ex d IIBT4X)|
|Power supply||90 to 127 V AC, 48 to 63 Hz, 50 or 60 Hz|
|Repeatability||±1% or less of span|
|Linearity||±1% or less of span|
|Response time||90% response within 3 sec; measured by analog output signal change after gas is through the analyzer inlet.|
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