DXG TRD-11

Dissolved Gas Analyzer

– H2, O2, N2, CH4, CO, CO2, C2H4, C2H2, C3H6, C3H8

Feature

Accurate gas chromatography analysis
Maximized extraction performance by Headspace
Simultaneous analysis of 11 types of dissolved gases
Minimum analysis cycle of 1 hours
Alarm for abnormal concentration of each compound and system error
Automatic calibration for continuous instrument condition check
Adjustable automatic sampling interval adjustment
Calibration gas replacement cycle: 3 years

System Component

Standard Gas Supply Unit / Oil Extraction Unit /
Gas Extraction from Oil / Detection Module /
Data Processing and Concentration Calculation Unit

CEMS: Dissolved Gas

Specifications

Techincal Specification

Measurment Component	H2, O2, N2, CH4, CO, CO2, C2H2, C2H4, C2H6, C3H6, C3H8
Measurement Priciple	Gas Chromatography (FID)
Extraction Method	Headspace
Carrier Gas	H2
Measuring Ranges	H2 : 0.2 ~ 10,000 pp	C2H2 : 0.1 ~ 30,000 ppm
	O2: 0.2 ~ 50,000 ppm	C2H4 : 0.1 ~ 40,000 ppm
	N2 : 0.2 ~ 100,000 ppm	C2H6 : 0.1 ~ 60,000 ppm
	CH4 : 0.1 ~ 20,000 ppm	C3H6 : 1.0 ~ 180,000 ppm
	CO : 0.2 ~ 20,000 ppm	C3H8 : 1.0 ~ 200,000 ppm
	CO2 : 0.3 ~ 50,000 ppm
Min. Measuring Unit	0.1 ppm
Repeatability	≤±3 %
Linearity	Evaluated using the coefficient of determination of the least squares method (R² > 0.98).

Measurement Condition

Operating Temp.	-25 ~ +55 ℃
Oil Temp.	0 ~ 110 ℃
Operating Pressure	Oil Supply Pressure Max. 50 psi
Operating RH	5 ~ 90 % RH

Communication

Display & Input Device	N/A (Integrated control from sever PC)
Interface	RS232, 485 / LAN (TCP/IP)
Protocol	IEC61850 / Modbus / OPC

Alarm

Local	Front LED
Server	4 Step Component Alarms, Service Alarm

Demension & Power Supply

Dimension	W 600 x H 700 x D 370 mm
Weight	33 kg
Voltage	110 / 220 VAC
Power Consumption	1.2 kW