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Binary Gas Analyzer for Hydrogen Cooled Generators - XTC601 HCG

Updated:2025-03-13

Brand: PST/Michell
Model: XTC601 HCG
Description: A multi-map binary gas analyzer designed specifically for the measurement of gas mixes present during the operation and maintenance of hydrogen cooled electricity generators. The primary measurement i
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Product Details

Binary Gas Analyzer for Hydrogen Cooled Generators - XTC601 HCG Description：

User's Manual Datasheet

Monitoring Gas Mixtures During Maintenance and Operation

Features

Suitable for use in ATEX, UKCA, IECEx, TR CU Ex & cQPSus certified Hazardous Areas

Monitors all three phases of hydrogen cooled electricity generators - normal running, purging and maintenance

Remotely change the measurement phase to match your maintenance schedule

Range indication via 4...20 mA output

Touch-screen display allows calibration or adjustment without the need for a hot works permit

Compact and rugged design with an EExd enclosure

IP66 rated enclosure

Low cost of ownership due to minimal maintenance

A multi-map binary gas analyzer designed specifically for the measurement of gas mixes present during the operation and maintenance of hydrogen cooled electricity generators. The primary measurement is hydrogen (H2) purity, with air as the background gas. The second measurement is monitoring hydrogen in carbon dioxide (CO2) during system purging, and finally carbon dioxide/air during maintenance. The analyzer is suitable for general purpose or hazardous areas and uses non-depleting sensor technology for minimal cost of ownership.

Specifications

Performance
Phase	Phase 1 - H₂ in Air	Phase 2 - H₂ in CO₂	Phase 3 - CO₂ in Air
Measurement Range	80...100 % or 90...100 %	0...100 %	0...100 %
Display resolution	0.01 %	0.1 %	1 %
Response time (T90)	<20 seconds	<20 seconds	<50 seconds
Recommended calibration	Monthly	Prior to use	Annually
Measurement Technology	Thermal Conductivity sensor
Gas Requirements	Non-condensing sample with particles <3μm
Display Type	Backlit LCD
Repeatability	±0.2 % of range
Linearity	±1 % range
Sample Flow Rate	100...600 ml/min
Sample Flow Effect (calibrated at 300 ml/min)	< 1 % of range for flows: 100...600 ml/min
Sample Pressure	0...3 barg with atmospheric vent
Sample Temperature	0...+45 °C max
Sample Cell Temperature	+50 °C
Electrical Specifications
Analog Inputs	2 off 4...20 mA inputs One to control phase selection One for an external sensor that can be displayed on the screen
Analog Outputs	2 off 4...20 mA outputs: mA 1 = Concentration mA 2 = Phase indication
Alarms	2 off single pole changeover (SPCO) relays (250 V, 5 A max)
Digital Communications	Modbus RTU over RS485
Power Supply	24 V DC; 1.5 A max
Operating Conditions
Ambient Temperature	-15...+55 °C
Mechanical Specifications
Warm Up and Stabilization Time	< 30 minutes
Dimensions	234 x 234 x 172mm (w x d x h)
Weight	9.7kg
Wetted Materials	316 stainless steel, boroscillicate glass, platinum, Viton
O-Ring Materials	Viton
Gas Connection	1/8” NPT
Ingress Protection	IP66, NEMA 4
Hazardous Area Classification
ATEX/UKCA	II 2GD Ex d IIB +H2 T6 Gb Ex tb IIIC T85 °C Db IP66 -15 °C...+55 °C
IECEx	Ex d IIB +H2 T6 Gb Ex tb IIIC T85 °C Db IP66 -15 °C...+55 °C
cQPSus	Class I, Division 1, Groups B,C,D T6C
TR CU	1Exd IIB+H2 T6 Gb