1.General Introduction
Yokogawa MG8G paramagnetic oxygen analyzer measures the concentration of oxygen based on the fact that a magnet attracts gaseous oxygen which applicable for safe zones, can measure oxygen concentration in flammable gas mixtures. With an appropriate sampling system it can also measure oxygen in high temperature, high pressure, high dusty, 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.
2.General Specification
Main Characters | Description |
Measurement object | Oxygen concentration in gaseous mixture |
Measurement system | Paramagnetic system |
Measurement range | 0-5 to 0-25 vol%O2, 3 range can be programmed |
Self-diagnostic content | Sensor unit error, Constant temperature chamber error, Analog error, Memory error, Calibration coefficient error |
Analog output signal | 4 to 20 mA DC (load resistance; Max. 550Ω) |
Contact output | Fail; 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 |
Calibration methods | Automatic, semiautomatic and manual calibration |
Zero gas | Nitrogen, not contain O2 gas with a concentration equal to or greater than 0.1% of the upper range value, |
Span gas | Dry air, instrument air or standard gas containing O2 gas with a concentration of 80 to 100 % |
Auxiliary gas pressure | N2 gas, 180 kPa(Approx. 35 ml/min) |
Sample gas condition | Gas flow; 200 ml/min ±10%, Gas temperature; 0 to 50℃, Humidity; No moisture condensation in the flow path or the sensor |
Ambient temperature | 5 to 55℃ |
Installation | Indoor, panel or wall mounting |
Power supply | 100 to 115 V AC or 200 to 240 V AC |
3.Model Selection
Model | Suffix Codes | Description | |||||||
MG8G | Paramagnetic oxygen analyzer | ||||||||
Measurement range | -M | 0 - 5 to 25vol% O2 | |||||||
Wetted material | A | SUS316, Fluorine-contained | |||||||
Power supply | -2 | 200 - 240V AC, 50/60Hz | |||||||
-5 | 100 - 115V AC, 50/60Hz | ||||||||
Auxiliary gas | -W | N2 gas | |||||||
Flow rate of auxiliary gas | L | Standard (35 ml /min) | |||||||
Language | -J | Japanese | |||||||
-E | English | ||||||||
Auto calibration | -C | available | |||||||
Style code | *C | Style *C |
4.Basic System Configuration
5.External Dimensions
Address: P.O. Box 17033, Jebel Ali Free Zone - South 2 Dubai, United Arab Emirates
Tel: +971558915937
Fax: +971558915956
E-mail:
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